Commit Graph

1009494 Commits

Author SHA1 Message Date
Linus Torvalds
b0030af53a Kbuild updates for v5.13
- Evaluate $(call cc-option,...) etc. only for build targets
 
  - Add CONFIG_VMLINUX_MAP to generate .map file when linking vmlinux
 
  - Remove unnecessary --gcc-toolchains Clang flag because the --prefix
    flag finds the toolchains
 
  - Do not pass Clang's --prefix flag when using the integrated as
 
  - Check the assembler version in Kconfig time
 
  - Add new CONFIG options, AS_VERSION, AS_IS_GNU, AS_IS_LLVM to clean up
    some dependencies in Kconfig
 
  - Fix invalid Module.symvers creation when building only modules without
    vmlinux
 
  - Fix false-positive modpost warnings when CONFIG_TRIM_UNUSED_KSYMS is
    set, but there is no module to build
 
  - Refactor module installation Makefile
 
  - Support zstd for module compression
 
  - Convert alpha and ia64 to use generic shell scripts to generate the
    syscall headers
 
  - Add a new elfnote to indicate if the kernel was built with LTO, which
    will be used by pahole
 
  - Flatten the directory structure under include/config/ so CONFIG options
    and filenames match
 
  - Change the deb source package name from linux-$(KERNELRELEASE) to
    linux-upstream
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Merge tag 'kbuild-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Evaluate $(call cc-option,...) etc. only for build targets

 - Add CONFIG_VMLINUX_MAP to generate .map file when linking vmlinux

 - Remove unnecessary --gcc-toolchains Clang flag because the --prefix
   flag finds the toolchains

 - Do not pass Clang's --prefix flag when using the integrated as

 - Check the assembler version in Kconfig time

 - Add new CONFIG options, AS_VERSION, AS_IS_GNU, AS_IS_LLVM to clean up
   some dependencies in Kconfig

 - Fix invalid Module.symvers creation when building only modules
   without vmlinux

 - Fix false-positive modpost warnings when CONFIG_TRIM_UNUSED_KSYMS is
   set, but there is no module to build

 - Refactor module installation Makefile

 - Support zstd for module compression

 - Convert alpha and ia64 to use generic shell scripts to generate the
   syscall headers

 - Add a new elfnote to indicate if the kernel was built with LTO, which
   will be used by pahole

 - Flatten the directory structure under include/config/ so CONFIG
   options and filenames match

 - Change the deb source package name from linux-$(KERNELRELEASE) to
   linux-upstream

* tag 'kbuild-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (42 commits)
  kbuild: Add $(KBUILD_HOSTLDFLAGS) to 'has_libelf' test
  kbuild: deb-pkg: change the source package name to linux-upstream
  tools: do not include scripts/Kbuild.include
  kbuild: redo fake deps at include/config/*.h
  kbuild: remove TMPO from try-run
  MAINTAINERS: add pattern for dummy-tools
  kbuild: add an elfnote for whether vmlinux is built with lto
  ia64: syscalls: switch to generic syscallhdr.sh
  ia64: syscalls: switch to generic syscalltbl.sh
  alpha: syscalls: switch to generic syscallhdr.sh
  alpha: syscalls: switch to generic syscalltbl.sh
  sysctl: use min() helper for namecmp()
  kbuild: add support for zstd compressed modules
  kbuild: remove CONFIG_MODULE_COMPRESS
  kbuild: merge scripts/Makefile.modsign to scripts/Makefile.modinst
  kbuild: move module strip/compression code into scripts/Makefile.modinst
  kbuild: refactor scripts/Makefile.modinst
  kbuild: rename extmod-prefix to extmod_prefix
  kbuild: check module name conflict for external modules as well
  kbuild: show the target directory for depmod log
  ...
2021-04-29 14:24:39 -07:00
Linus Torvalds
9d31d23389 Networking changes for 5.13.
Core:
 
  - bpf:
 	- allow bpf programs calling kernel functions (initially to
 	  reuse TCP congestion control implementations)
 	- enable task local storage for tracing programs - remove the
 	  need to store per-task state in hash maps, and allow tracing
 	  programs access to task local storage previously added for
 	  BPF_LSM
 	- add bpf_for_each_map_elem() helper, allowing programs to
 	  walk all map elements in a more robust and easier to verify
 	  fashion
 	- sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
 	  redirection
 	- lpm: add support for batched ops in LPM trie
 	- add BTF_KIND_FLOAT support - mostly to allow use of BTF
 	  on s390 which has floats in its headers files
 	- improve BPF syscall documentation and extend the use of kdoc
 	  parsing scripts we already employ for bpf-helpers
 	- libbpf, bpftool: support static linking of BPF ELF files
 	- improve support for encapsulation of L2 packets
 
  - xdp: restructure redirect actions to avoid a runtime lookup,
 	improving performance by 4-8% in microbenchmarks
 
  - xsk: build skb by page (aka generic zerocopy xmit) - improve
 	performance of software AF_XDP path by 33% for devices
 	which don't need headers in the linear skb part (e.g. virtio)
 
  - nexthop: resilient next-hop groups - improve path stability
 	on next-hops group changes (incl. offload for mlxsw)
 
  - ipv6: segment routing: add support for IPv4 decapsulation
 
  - icmp: add support for RFC 8335 extended PROBE messages
 
  - inet: use bigger hash table for IP ID generation
 
  - tcp: deal better with delayed TX completions - make sure we don't
 	give up on fast TCP retransmissions only because driver is
 	slow in reporting that it completed transmitting the original
 
  - tcp: reorder tcp_congestion_ops for better cache locality
 
  - mptcp:
 	- add sockopt support for common TCP options
 	- add support for common TCP msg flags
 	- include multiple address ids in RM_ADDR
 	- add reset option support for resetting one subflow
 
  - udp: GRO L4 improvements - improve 'forward' / 'frag_list'
 	co-existence with UDP tunnel GRO, allowing the first to take
 	place correctly	even for encapsulated UDP traffic
 
  - micro-optimize dev_gro_receive() and flow dissection, avoid
 	retpoline overhead on VLAN and TEB GRO
 
  - use less memory for sysctls, add a new sysctl type, to allow using
 	u8 instead of "int" and "long" and shrink networking sysctls
 
  - veth: allow GRO without XDP - this allows aggregating UDP
 	packets before handing them off to routing, bridge, OvS, etc.
 
  - allow specifing ifindex when device is moved to another namespace
 
  - netfilter:
 	- nft_socket: add support for cgroupsv2
 	- nftables: add catch-all set element - special element used
 	  to define a default action in case normal lookup missed
 	- use net_generic infra in many modules to avoid allocating
 	  per-ns memory unnecessarily
 
  - xps: improve the xps handling to avoid potential out-of-bound
 	accesses and use-after-free when XPS change race with other
 	re-configuration under traffic
 
  - add a config knob to turn off per-cpu netdev refcnt to catch
 	underflows in testing
 
 Device APIs:
 
  - add WWAN subsystem to organize the WWAN interfaces better and
    hopefully start driving towards more unified and vendor-
    -independent APIs
 
  - ethtool:
 	- add interface for reading IEEE MIB stats (incl. mlx5 and
 	  bnxt support)
 	- allow network drivers to dump arbitrary SFP EEPROM data,
 	  current offset+length API was a poor fit for modern SFP
 	  which define EEPROM in terms of pages (incl. mlx5 support)
 
  - act_police, flow_offload: add support for packet-per-second
 	policing (incl. offload for nfp)
 
  - psample: add additional metadata attributes like transit delay
 	for packets sampled from switch HW (and corresponding egress
 	and policy-based sampling in the mlxsw driver)
 
  - dsa: improve support for sandwiched LAGs with bridge and DSA
 
  - netfilter:
 	- flowtable: use direct xmit in topologies with IP
 	  forwarding, bridging, vlans etc.
 	- nftables: counter hardware offload support
 
  - Bluetooth:
 	- improvements for firmware download w/ Intel devices
 	- add support for reading AOSP vendor capabilities
 	- add support for virtio transport driver
 
  - mac80211:
 	- allow concurrent monitor iface and ethernet rx decap
 	- set priority and queue mapping for injected frames
 
  - phy: add support for Clause-45 PHY Loopback
 
  - pci/iov: add sysfs MSI-X vector assignment interface
 	to distribute MSI-X resources to VFs (incl. mlx5 support)
 
 New hardware/drivers:
 
  - dsa: mv88e6xxx: add support for Marvell mv88e6393x -
 	11-port Ethernet switch with 8x 1-Gigabit Ethernet
 	and 3x 10-Gigabit interfaces.
 
  - dsa: support for legacy Broadcom tags used on BCM5325, BCM5365
 	and BCM63xx switches
 
  - Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches
 
  - ath11k: support for QCN9074 a 802.11ax device
 
  - Bluetooth: Broadcom BCM4330 and BMC4334
 
  - phy: Marvell 88X2222 transceiver support
 
  - mdio: add BCM6368 MDIO mux bus controller
 
  - r8152: support RTL8153 and RTL8156 (USB Ethernet) chips
 
  - mana: driver for Microsoft Azure Network Adapter (MANA)
 
  - Actions Semi Owl Ethernet MAC
 
  - can: driver for ETAS ES58X CAN/USB interfaces
 
 Pure driver changes:
 
  - add XDP support to: enetc, igc, stmmac
  - add AF_XDP support to: stmmac
 
  - virtio:
 	- page_to_skb() use build_skb when there's sufficient tailroom
 	  (21% improvement for 1000B UDP frames)
 	- support XDP even without dedicated Tx queues - share the Tx
 	  queues with the stack when necessary
 
  - mlx5:
 	- flow rules: add support for mirroring with conntrack,
 	  matching on ICMP, GTP, flex filters and more
 	- support packet sampling with flow offloads
 	- persist uplink representor netdev across eswitch mode
 	  changes
 	- allow coexistence of CQE compression and HW time-stamping
 	- add ethtool extended link error state reporting
 
  - ice, iavf: support flow filters, UDP Segmentation Offload
 
  - dpaa2-switch:
 	- move the driver out of staging
 	- add spanning tree (STP) support
 	- add rx copybreak support
 	- add tc flower hardware offload on ingress traffic
 
  - ionic:
 	- implement Rx page reuse
 	- support HW PTP time-stamping
 
  - octeon: support TC hardware offloads - flower matching on ingress
 	and egress ratelimitting.
 
  - stmmac:
 	- add RX frame steering based on VLAN priority in tc flower
 	- support frame preemption (FPE)
 	- intel: add cross time-stamping freq difference adjustment
 
  - ocelot:
 	- support forwarding of MRP frames in HW
 	- support multiple bridges
 	- support PTP Sync one-step timestamping
 
  - dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
 	learning, flooding etc.
 
  - ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
 	SC7280 SoCs)
 
  - mt7601u: enable TDLS support
 
  - mt76:
 	- add support for 802.3 rx frames (mt7915/mt7615)
 	- mt7915 flash pre-calibration support
 	- mt7921/mt7663 runtime power management fixes
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - bpf:
        - allow bpf programs calling kernel functions (initially to
          reuse TCP congestion control implementations)
        - enable task local storage for tracing programs - remove the
          need to store per-task state in hash maps, and allow tracing
          programs access to task local storage previously added for
          BPF_LSM
        - add bpf_for_each_map_elem() helper, allowing programs to walk
          all map elements in a more robust and easier to verify fashion
        - sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
          redirection
        - lpm: add support for batched ops in LPM trie
        - add BTF_KIND_FLOAT support - mostly to allow use of BTF on
          s390 which has floats in its headers files
        - improve BPF syscall documentation and extend the use of kdoc
          parsing scripts we already employ for bpf-helpers
        - libbpf, bpftool: support static linking of BPF ELF files
        - improve support for encapsulation of L2 packets

   - xdp: restructure redirect actions to avoid a runtime lookup,
     improving performance by 4-8% in microbenchmarks

   - xsk: build skb by page (aka generic zerocopy xmit) - improve
     performance of software AF_XDP path by 33% for devices which don't
     need headers in the linear skb part (e.g. virtio)

   - nexthop: resilient next-hop groups - improve path stability on
     next-hops group changes (incl. offload for mlxsw)

   - ipv6: segment routing: add support for IPv4 decapsulation

   - icmp: add support for RFC 8335 extended PROBE messages

   - inet: use bigger hash table for IP ID generation

   - tcp: deal better with delayed TX completions - make sure we don't
     give up on fast TCP retransmissions only because driver is slow in
     reporting that it completed transmitting the original

   - tcp: reorder tcp_congestion_ops for better cache locality

   - mptcp:
        - add sockopt support for common TCP options
        - add support for common TCP msg flags
        - include multiple address ids in RM_ADDR
        - add reset option support for resetting one subflow

   - udp: GRO L4 improvements - improve 'forward' / 'frag_list'
     co-existence with UDP tunnel GRO, allowing the first to take place
     correctly even for encapsulated UDP traffic

   - micro-optimize dev_gro_receive() and flow dissection, avoid
     retpoline overhead on VLAN and TEB GRO

   - use less memory for sysctls, add a new sysctl type, to allow using
     u8 instead of "int" and "long" and shrink networking sysctls

   - veth: allow GRO without XDP - this allows aggregating UDP packets
     before handing them off to routing, bridge, OvS, etc.

   - allow specifing ifindex when device is moved to another namespace

   - netfilter:
        - nft_socket: add support for cgroupsv2
        - nftables: add catch-all set element - special element used to
          define a default action in case normal lookup missed
        - use net_generic infra in many modules to avoid allocating
          per-ns memory unnecessarily

   - xps: improve the xps handling to avoid potential out-of-bound
     accesses and use-after-free when XPS change race with other
     re-configuration under traffic

   - add a config knob to turn off per-cpu netdev refcnt to catch
     underflows in testing

  Device APIs:

   - add WWAN subsystem to organize the WWAN interfaces better and
     hopefully start driving towards more unified and vendor-
     independent APIs

   - ethtool:
        - add interface for reading IEEE MIB stats (incl. mlx5 and bnxt
          support)
        - allow network drivers to dump arbitrary SFP EEPROM data,
          current offset+length API was a poor fit for modern SFP which
          define EEPROM in terms of pages (incl. mlx5 support)

   - act_police, flow_offload: add support for packet-per-second
     policing (incl. offload for nfp)

   - psample: add additional metadata attributes like transit delay for
     packets sampled from switch HW (and corresponding egress and
     policy-based sampling in the mlxsw driver)

   - dsa: improve support for sandwiched LAGs with bridge and DSA

   - netfilter:
        - flowtable: use direct xmit in topologies with IP forwarding,
          bridging, vlans etc.
        - nftables: counter hardware offload support

   - Bluetooth:
        - improvements for firmware download w/ Intel devices
        - add support for reading AOSP vendor capabilities
        - add support for virtio transport driver

   - mac80211:
        - allow concurrent monitor iface and ethernet rx decap
        - set priority and queue mapping for injected frames

   - phy: add support for Clause-45 PHY Loopback

   - pci/iov: add sysfs MSI-X vector assignment interface to distribute
     MSI-X resources to VFs (incl. mlx5 support)

  New hardware/drivers:

   - dsa: mv88e6xxx: add support for Marvell mv88e6393x - 11-port
     Ethernet switch with 8x 1-Gigabit Ethernet and 3x 10-Gigabit
     interfaces.

   - dsa: support for legacy Broadcom tags used on BCM5325, BCM5365 and
     BCM63xx switches

   - Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches

   - ath11k: support for QCN9074 a 802.11ax device

   - Bluetooth: Broadcom BCM4330 and BMC4334

   - phy: Marvell 88X2222 transceiver support

   - mdio: add BCM6368 MDIO mux bus controller

   - r8152: support RTL8153 and RTL8156 (USB Ethernet) chips

   - mana: driver for Microsoft Azure Network Adapter (MANA)

   - Actions Semi Owl Ethernet MAC

   - can: driver for ETAS ES58X CAN/USB interfaces

  Pure driver changes:

   - add XDP support to: enetc, igc, stmmac

   - add AF_XDP support to: stmmac

   - virtio:
        - page_to_skb() use build_skb when there's sufficient tailroom
          (21% improvement for 1000B UDP frames)
        - support XDP even without dedicated Tx queues - share the Tx
          queues with the stack when necessary

   - mlx5:
        - flow rules: add support for mirroring with conntrack, matching
          on ICMP, GTP, flex filters and more
        - support packet sampling with flow offloads
        - persist uplink representor netdev across eswitch mode changes
        - allow coexistence of CQE compression and HW time-stamping
        - add ethtool extended link error state reporting

   - ice, iavf: support flow filters, UDP Segmentation Offload

   - dpaa2-switch:
        - move the driver out of staging
        - add spanning tree (STP) support
        - add rx copybreak support
        - add tc flower hardware offload on ingress traffic

   - ionic:
        - implement Rx page reuse
        - support HW PTP time-stamping

   - octeon: support TC hardware offloads - flower matching on ingress
     and egress ratelimitting.

   - stmmac:
        - add RX frame steering based on VLAN priority in tc flower
        - support frame preemption (FPE)
        - intel: add cross time-stamping freq difference adjustment

   - ocelot:
        - support forwarding of MRP frames in HW
        - support multiple bridges
        - support PTP Sync one-step timestamping

   - dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
     learning, flooding etc.

   - ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
     SC7280 SoCs)

   - mt7601u: enable TDLS support

   - mt76:
        - add support for 802.3 rx frames (mt7915/mt7615)
        - mt7915 flash pre-calibration support
        - mt7921/mt7663 runtime power management fixes"

* tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2451 commits)
  net: selftest: fix build issue if INET is disabled
  net: netrom: nr_in: Remove redundant assignment to ns
  net: tun: Remove redundant assignment to ret
  net: phy: marvell: add downshift support for M88E1240
  net: dsa: ksz: Make reg_mib_cnt a u8 as it never exceeds 255
  net/sched: act_ct: Remove redundant ct get and check
  icmp: standardize naming of RFC 8335 PROBE constants
  bpf, selftests: Update array map tests for per-cpu batched ops
  bpf: Add batched ops support for percpu array
  bpf: Implement formatted output helpers with bstr_printf
  seq_file: Add a seq_bprintf function
  sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
  net:nfc:digital: Fix a double free in digital_tg_recv_dep_req
  net: fix a concurrency bug in l2tp_tunnel_register()
  net/smc: Remove redundant assignment to rc
  mpls: Remove redundant assignment to err
  llc2: Remove redundant assignment to rc
  net/tls: Remove redundant initialization of record
  rds: Remove redundant assignment to nr_sig
  dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0
  ...
2021-04-29 11:57:23 -07:00
Linus Torvalds
635de956a7 The x86 MM changes in this cycle were:
- Implement concurrent TLB flushes, which overlaps the local TLB flush with the
    remote TLB flush. In testing this improved sysbench performance measurably by
    a couple of percentage points, especially if TLB-heavy security mitigations
    are active.
 
  - Further micro-optimizations to improve the performance of TLB flushes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2021-04-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 tlb updates from Ingo Molnar:
 "The x86 MM changes in this cycle were:

   - Implement concurrent TLB flushes, which overlaps the local TLB
     flush with the remote TLB flush.

     In testing this improved sysbench performance measurably by a
     couple of percentage points, especially if TLB-heavy security
     mitigations are active.

   - Further micro-optimizations to improve the performance of TLB
     flushes"

* tag 'x86-mm-2021-04-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  smp: Micro-optimize smp_call_function_many_cond()
  smp: Inline on_each_cpu_cond() and on_each_cpu()
  x86/mm/tlb: Remove unnecessary uses of the inline keyword
  cpumask: Mark functions as pure
  x86/mm/tlb: Do not make is_lazy dirty for no reason
  x86/mm/tlb: Privatize cpu_tlbstate
  x86/mm/tlb: Flush remote and local TLBs concurrently
  x86/mm/tlb: Open-code on_each_cpu_cond_mask() for tlb_is_not_lazy()
  x86/mm/tlb: Unify flush_tlb_func_local() and flush_tlb_func_remote()
  smp: Run functions concurrently in smp_call_function_many_cond()
2021-04-29 11:41:43 -07:00
Linus Torvalds
d0cc7ecacb Microblaze patches for 5.13-rc1
- Switch to generic syscall scripts
 - Some small fixes
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Merge tag 'microblaze-v5.13' of git://git.monstr.eu/linux-2.6-microblaze

Pull Microblaze updates from Michal Simek:
 "No new features, just about cleaning up some code and moving to
  generic syscall solution used by other architectures:

   - Switch to generic syscall scripts

   - Some small fixes"

* tag 'microblaze-v5.13' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: add 'fallthrough' to memcpy/memset/memmove
  microblaze: Fix a typo
  microblaze: tag highmem_setup() with __meminit
  microblaze: syscalls: switch to generic syscallhdr.sh
  microblaze: syscalls: switch to generic syscalltbl.sh
2021-04-29 11:36:47 -07:00
Linus Torvalds
77d51337d6 - removed get_fs/set_fs
- removed broken/unmaintained MIPS KVM trap and emulate support
 - added support for Loongson-2K1000
 - fixes and cleanups
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Merge tag 'mips_5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - removed get_fs/set_fs

 - removed broken/unmaintained MIPS KVM trap and emulate support

 - added support for Loongson-2K1000

 - fixes and cleanups

* tag 'mips_5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (107 commits)
  MIPS: BCM63XX: Use BUG_ON instead of condition followed by BUG.
  MIPS: select ARCH_KEEP_MEMBLOCK unconditionally
  mips: Do not include hi and lo in clobber list for R6
  MIPS:DTS:Correct the license for Loongson-2K
  MIPS:DTS:Fix label name and interrupt number of ohci for Loongson-2K
  MIPS: Avoid handcoded DIVU in `__div64_32' altogether
  lib/math/test_div64: Correct the spelling of "dividend"
  lib/math/test_div64: Fix error message formatting
  mips/bootinfo:correct some comments of fw_arg
  MIPS: Avoid DIVU in `__div64_32' is result would be zero
  MIPS: Reinstate platform `__div64_32' handler
  div64: Correct inline documentation for `do_div'
  lib/math: Add a `do_div' test module
  MIPS: Makefile: Replace -pg with CC_FLAGS_FTRACE
  MIPS: pci-legacy: revert "use generic pci_enable_resources"
  MIPS: Loongson64: Add kexec/kdump support
  MIPS: pci-legacy: use generic pci_enable_resources
  MIPS: pci-legacy: remove busn_resource field
  MIPS: pci-legacy: remove redundant info messages
  MIPS: pci-legacy: stop using of_pci_range_to_resource
  ...
2021-04-29 11:28:08 -07:00
Linus Torvalds
3644286f6c \n
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Merge tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify updates from Jan Kara:

 - support for limited fanotify functionality for unpriviledged users

 - faster merging of fanotify events

 - a few smaller fsnotify improvements

* tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  shmem: allow reporting fanotify events with file handles on tmpfs
  fs: introduce a wrapper uuid_to_fsid()
  fanotify_user: use upper_32_bits() to verify mask
  fanotify: support limited functionality for unprivileged users
  fanotify: configurable limits via sysfs
  fanotify: limit number of event merge attempts
  fsnotify: use hash table for faster events merge
  fanotify: mix event info and pid into merge key hash
  fanotify: reduce event objectid to 29-bit hash
  fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue
2021-04-29 11:06:13 -07:00
Linus Torvalds
767fcbc80f \n
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Merge tag 'for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull quota, ext2, reiserfs updates from Jan Kara:

 - support for path (instead of device) based quotactl syscall
   (quotactl_path(2))

 - ext2 conversion to kmap_local()

 - other minor cleanups & fixes

* tag 'for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fs/reiserfs/journal.c: delete useless variables
  fs/ext2: Replace kmap() with kmap_local_page()
  ext2: Match up ext2_put_page() with ext2_dotdot() and ext2_find_entry()
  fs/ext2/: fix misspellings using codespell tool
  quota: report warning limits for realtime space quotas
  quota: wire up quotactl_path
  quota: Add mountpath based quota support
2021-04-29 10:51:29 -07:00
Linus Torvalds
d2b6f8a179 New code for 5.13:
- Various minor fixes in online scrub.
 - Prevent metadata files from being automatically inactivated.
 - Validate btree heights by the computed per-btree limits.
 - Don't warn about remounting with deprecated mount options.
 - Initialize attr forks at create time if we suspect we're going to need
   to store them.
 - Reduce memory reallocation workouts in the logging code.
 - Fix some theoretical math calculation errors in logged buffers that
   span multiple discontig memory ranges but contiguous ondisk regions.
 - Speedups in dirty buffer bitmap handling.
 - Make type verifier functions more inline-happy to reduce overhead.
 - Reduce debug overhead in directory checking code.
 - Many many typo fixes.
 - Begin to handle the permanent loss of the very end of a filesystem.
 - Fold struct xfs_icdinode into xfs_inode.
 - Deprecate the long defunct BMV_IF_NO_DMAPI_READ from the bmapx ioctl.
 - Remove a broken directory block format check from online scrub.
 - Fix a bug where we could produce an unnecessarily tall data fork btree
   when creating an attr fork.
 - Fix scrub and readonly remounts racing.
 - Fix a writeback ioend log deadlock problem by dropping the behavior
   where we could preallocate a setfilesize transaction.
 - Fix some bugs in the new extent count checking code.
 - Fix some bugs in the attr fork preallocation code.
 - Refactor if_flags out of the incore inode fork data structure.
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Merge tag 'xfs-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Darrick Wong:
 "The notable user-visible addition this cycle is ability to remove
  space from the last AG in a filesystem. This is the first of many
  changes needed for full-fledged support for shrinking a filesystem.
  Still needed are (a) the ability to reorganize files and metadata away
  from the end of the fs; (b) the ability to remove entire allocation
  groups; (c) shrink support for realtime volumes; and (d) thorough
  testing of (a-c).

  There are a number of performance improvements in this code drop: Dave
  streamlined various parts of the buffer logging code and reduced the
  cost of various debugging checks, and added the ability to pre-create
  the xattr structures while creating files. Brian eliminated
  transaction reservations that were being held across writeback (thus
  reducing livelock potential.

  Other random pieces: Pavel fixed the repetitve warnings about
  deprecated mount options, I fixed online fsck to behave itself when a
  readonly remount comes in during scrub, and refactored various other
  parts of that code, Christoph contributed a lot of refactoring this
  cycle. The xfs_icdinode structure has been absorbed into the (incore)
  xfs_inode structure, and the format and flags handling around
  xfs_inode_fork structures has been simplified. Chandan provided a
  number of fixes for extent count overflow related problems that have
  been shaken out by debugging knobs added during 5.12.

  Summary:

   - Various minor fixes in online scrub.

   - Prevent metadata files from being automatically inactivated.

   - Validate btree heights by the computed per-btree limits.

   - Don't warn about remounting with deprecated mount options.

   - Initialize attr forks at create time if we suspect we're going to
     need to store them.

   - Reduce memory reallocation workouts in the logging code.

   - Fix some theoretical math calculation errors in logged buffers that
     span multiple discontig memory ranges but contiguous ondisk
     regions.

   - Speedups in dirty buffer bitmap handling.

   - Make type verifier functions more inline-happy to reduce overhead.

   - Reduce debug overhead in directory checking code.

   - Many many typo fixes.

   - Begin to handle the permanent loss of the very end of a filesystem.

   - Fold struct xfs_icdinode into xfs_inode.

   - Deprecate the long defunct BMV_IF_NO_DMAPI_READ from the bmapx
     ioctl.

   - Remove a broken directory block format check from online scrub.

   - Fix a bug where we could produce an unnecessarily tall data fork
     btree when creating an attr fork.

   - Fix scrub and readonly remounts racing.

   - Fix a writeback ioend log deadlock problem by dropping the behavior
     where we could preallocate a setfilesize transaction.

   - Fix some bugs in the new extent count checking code.

   - Fix some bugs in the attr fork preallocation code.

   - Refactor if_flags out of the incore inode fork data structure"

* tag 'xfs-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (77 commits)
  xfs: remove xfs_quiesce_attr declaration
  xfs: remove XFS_IFEXTENTS
  xfs: remove XFS_IFINLINE
  xfs: remove XFS_IFBROOT
  xfs: only look at the fork format in xfs_idestroy_fork
  xfs: simplify xfs_attr_remove_args
  xfs: rename and simplify xfs_bmap_one_block
  xfs: move the XFS_IFEXTENTS check into xfs_iread_extents
  xfs: drop unnecessary setfilesize helper
  xfs: drop unused ioend private merge and setfilesize code
  xfs: open code ioend needs workqueue helper
  xfs: drop submit side trans alloc for append ioends
  xfs: fix return of uninitialized value in variable error
  xfs: get rid of the ip parameter to xchk_setup_*
  xfs: fix scrub and remount-ro protection when running scrub
  xfs: move the check for post-EOF mappings into xfs_can_free_eofblocks
  xfs: move the xfs_can_free_eofblocks call under the IOLOCK
  xfs: precalculate default inode attribute offset
  xfs: default attr fork size does not handle device inodes
  xfs: inode fork allocation depends on XFS_IFEXTENT flag
  ...
2021-04-29 10:43:51 -07:00
Linus Torvalds
f2c80837e2 Changes in gfs2:
- Fix some compiler and kernel-doc warnings.
 
 - Various minor cleanups and optimizations.
 
 - Add a new sysfs gfs2 status file with some filesystem wide
   information.
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Merge tag 'gfs2-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Fix some compiler and kernel-doc warnings

 - Various minor cleanups and optimizations

 - Add a new sysfs gfs2 status file with some filesystem wide
   information

* tag 'gfs2-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Fix fall-through warnings for Clang
  gfs2: Fix a number of kernel-doc warnings
  gfs2: Make gfs2_setattr_simple static
  gfs2: Add new sysfs file for gfs2 status
  gfs2: Silence possible null pointer dereference warning
  gfs2: Turn gfs2_meta_indirect_buffer into gfs2_meta_buffer
  gfs2: Replace gfs2_lblk_to_dblk with gfs2_get_extent
  gfs2: Turn gfs2_extent_map into gfs2_{get,alloc}_extent
  gfs2: Add new gfs2_iomap_get helper
  gfs2: Remove unused variable sb_format
  gfs2: Fix dir.c function parameter descriptions
  gfs2: Eliminate gh parameter from go_xmote_bh func
  gfs2: don't create empty buffers for NO_CREATE
2021-04-29 10:33:35 -07:00
Linus Torvalds
8ae8932c6a Description for this pull request:
- Improve write performance with dirsync mount option.
  - Improve lookup performance.
  - Add support for FITRIM ioctl.
  - Fix a bug with discard option.
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Merge tag 'exfat-for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - Improve write performance with dirsync mount option

 - Improve lookup performance

 - Add support for FITRIM ioctl

 - Fix a bug with discard option

* tag 'exfat-for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: speed up iterate/lookup by fixing start point of traversing cluster chain
  exfat: improve write performance when dirsync enabled
  exfat: add support ioctl and FITRIM function
  exfat: introduce bitmap_lock for cluster bitmap access
  exfat: fix erroneous discard when clear cluster bit
2021-04-29 10:32:18 -07:00
Linus Torvalds
d72cd4ad41 SCSI misc on 20210428
This series consists of the usual driver updates (ufs, target, tcmu,
 smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx).  The major core
 change is using a sbitmap instead of an atomic for queue tracking.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This consists of the usual driver updates (ufs, target, tcmu,
  smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx).

  The major core change is using a sbitmap instead of an atomic for
  queue tracking"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (412 commits)
  scsi: target: tcm_fc: Fix a kernel-doc header
  scsi: target: Shorten ALUA error messages
  scsi: target: Fix two format specifiers
  scsi: target: Compare explicitly with SAM_STAT_GOOD
  scsi: sd: Introduce a new local variable in sd_check_events()
  scsi: dc395x: Open-code status_byte(u8) calls
  scsi: 53c700: Open-code status_byte(u8) calls
  scsi: smartpqi: Remove unused functions
  scsi: qla4xxx: Remove an unused function
  scsi: myrs: Remove unused functions
  scsi: myrb: Remove unused functions
  scsi: mpt3sas: Fix two kernel-doc headers
  scsi: fcoe: Suppress a compiler warning
  scsi: libfc: Fix a format specifier
  scsi: aacraid: Remove an unused function
  scsi: core: Introduce enum scsi_disposition
  scsi: core: Modify the scsi_send_eh_cmnd() return value for the SDEV_BLOCK case
  scsi: core: Rename scsi_softirq_done() into scsi_complete()
  scsi: core: Remove an incorrect comment
  scsi: core: Make the scsi_alloc_sgtables() documentation more accurate
  ...
2021-04-28 17:22:10 -07:00
Linus Torvalds
238da4d004 VFIO updates for v5.13-rc1
- Embed struct vfio_device into vfio driver structures (Jason Gunthorpe)
 
  - Make vfio_mdev type safe (Jason Gunthorpe)
 
  - Remove vfio-pci NVLink2 extensions for POWER9 (Christoph Hellwig)
 
  - Update vfio-pci IGD extensions for OpRegion 2.1+ (Fred Gao)
 
  - Various spelling/blank line fixes (Zhen Lei, Zhou Wang, Bhaskar Chowdhury)
 
  - Simplify unpin_pages error handling (Shenming Lu)
 
  - Fix i915 mdev Kconfig dependency (Arnd Bergmann)
 
  - Remove unused structure member (Keqian Zhu)
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Merge tag 'vfio-v5.13-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Embed struct vfio_device into vfio driver structures (Jason
   Gunthorpe)

 - Make vfio_mdev type safe (Jason Gunthorpe)

 - Remove vfio-pci NVLink2 extensions for POWER9 (Christoph Hellwig)

 - Update vfio-pci IGD extensions for OpRegion 2.1+ (Fred Gao)

 - Various spelling/blank line fixes (Zhen Lei, Zhou Wang, Bhaskar
   Chowdhury)

 - Simplify unpin_pages error handling (Shenming Lu)

 - Fix i915 mdev Kconfig dependency (Arnd Bergmann)

 - Remove unused structure member (Keqian Zhu)

* tag 'vfio-v5.13-rc1' of git://github.com/awilliam/linux-vfio: (43 commits)
  vfio/gvt: fix DRM_I915_GVT dependency on VFIO_MDEV
  vfio/iommu_type1: Remove unused pinned_page_dirty_scope in vfio_iommu
  vfio/mdev: Correct the function signatures for the mdev_type_attributes
  vfio/mdev: Remove kobj from mdev_parent_ops->create()
  vfio/gvt: Use mdev_get_type_group_id()
  vfio/gvt: Make DRM_I915_GVT depend on VFIO_MDEV
  vfio/mbochs: Use mdev_get_type_group_id()
  vfio/mdpy: Use mdev_get_type_group_id()
  vfio/mtty: Use mdev_get_type_group_id()
  vfio/mdev: Add mdev/mtype_get_type_group_id()
  vfio/mdev: Remove duplicate storage of parent in mdev_device
  vfio/mdev: Add missing error handling to dev_set_name()
  vfio/mdev: Reorganize mdev_device_create()
  vfio/mdev: Add missing reference counting to mdev_type
  vfio/mdev: Expose mdev_get/put_parent to mdev_private.h
  vfio/mdev: Use struct mdev_type in struct mdev_device
  vfio/mdev: Simplify driver registration
  vfio/mdev: Add missing typesafety around mdev_device
  vfio/mdev: Do not allow a mdev_type to have a NULL parent pointer
  vfio/mdev: Fix missing static's on MDEV_TYPE_ATTR's
  ...
2021-04-28 17:19:47 -07:00
Linus Torvalds
35655ceb31 Here's a collection of largely clk driver updates for the merge window. The
usual suspects are here: i.MX, Qualcomm, Renesas, Allwinner, Samsung, and
 Rockchip, but it feels pretty light on commits. There's only one real commit to
 the framework core and that's to consolidate code. Otherwise the diffstat is
 dominated by many Qualcomm clk driver patches that modernize the driver for the
 proper way of speciying clk parents. That's shifting data around, which could
 subtly break things so I'll be on the lookout for fixes.
 
 New Drivers:
  - Proper clk driver for Mediatek MT7621 SoCs
  - Support for the clock controller on the new Rockchip rk3568
 
 Updates:
  - Simplify Zynq Kconfig dependencies
  - Use clk_hw pointers in socfpga driver
  - Cleanup parent data in qcom clk drivers
  - Some cleanups for rk3399 modularization
  - Fix reparenting of i.MX UART clocks by initializing only the ones
    associated to stdout
  - Correct the PCIE clocks for i.MX8MP and i.MX8MQ
  - Make i.MX LPCG and SCU clocks return on registering failure
  - Kernel doc fixes
  - Add DAB hardware accelerator clocks on Renesas R-Car E3 and M3-N
  - Add timer (TMU) clocks on Renesas R-Car H3 ES1.0
  - Add Timer (TMU & CMT) and thermal sensor (TSC) clocks on Renesas R-Car V3U
  - Sigma-delta modulation on Allwinner V3s audio PLL
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "Here's a collection of largely clk driver updates. The usual suspects
  are here: i.MX, Qualcomm, Renesas, Allwinner, Samsung, and Rockchip,
  but it feels pretty light on commits.

  There's only one real commit to the framework core and that's to
  consolidate code. Otherwise the diffstat is dominated by many Qualcomm
  clk driver patches that modernize the driver for the proper way of
  speciying clk parents. That's shifting data around, which could subtly
  break things so I'll be on the lookout for fixes.

  New Drivers:
   - Proper clk driver for Mediatek MT7621 SoCs
   - Support for the clock controller on the new Rockchip rk3568

  Updates:
   - Simplify Zynq Kconfig dependencies
   - Use clk_hw pointers in socfpga driver
   - Cleanup parent data in qcom clk drivers
   - Some cleanups for rk3399 modularization
   - Fix reparenting of i.MX UART clocks by initializing only the ones
     associated to stdout
   - Correct the PCIE clocks for i.MX8MP and i.MX8MQ
   - Make i.MX LPCG and SCU clocks return on registering failure
   - Kernel doc fixes
   - Add DAB hardware accelerator clocks on Renesas R-Car E3 and M3-N
   - Add timer (TMU) clocks on Renesas R-Car H3 ES1.0
   - Add Timer (TMU & CMT) and thermal sensor (TSC) clocks on
     Renesas R-Car V3U
   - Sigma-delta modulation on Allwinner V3s audio PLL"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (82 commits)
  MAINTAINERS: add MT7621 CLOCK maintainer
  staging: mt7621-dts: use valid vendor 'mediatek' instead of invalid 'mtk'
  staging: mt7621-dts: make use of new 'mt7621-clk'
  clk: ralink: add clock driver for mt7621 SoC
  clk: uniphier: Fix potential infinite loop
  clk: qcom: rpmh: add support for SDX55 rpmh IPA clock
  clk: qcom: gcc-sdm845: get rid of the test clock
  clk: qcom: convert SDM845 Global Clock Controller to parent_data
  dt-bindings: clock: separate SDM845 GCC clock bindings
  clk: qcom: apss-ipq-pll: Add missing MODULE_DEVICE_TABLE
  clk: qcom: a53-pll: Add missing MODULE_DEVICE_TABLE
  clk: qcom: a7-pll: Add missing MODULE_DEVICE_TABLE
  dt: bindings: add mt7621-sysc device tree binding documentation
  dt-bindings: clock: add dt binding header for mt7621 clocks
  clk: samsung: Remove redundant dev_err calls
  clk: zynqmp: pll: add set_pll_mode to check condition in zynqmp_pll_enable
  clk: zynqmp: move zynqmp_pll_set_mode out of round_rate callback
  clk: zynqmp: Drop dependency on ARCH_ZYNQMP
  clk: zynqmp: Enable the driver if ZYNQMP_FIRMWARE is selected
  clk: qcom: gcc-sm8350: use ARRAY_SIZE instead of specifying num_parents
  ...
2021-04-28 17:13:56 -07:00
Linus Torvalds
d8201efe75 - qcom: enable support for SM8350 and SC7280
- sprd: refcounting channel usage
 		specify interrupt names in dt
 		support sc9863a
 - arm: drop redundant print
 - ti: convert dt-bindings to json schema
 - misc: spelling fixes
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Merge tag 'mailbox-v5.13' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "qcom:
   - enable support for SM8350 and SC7280

  sprd:
   - refcount channel usage
   - specify interrupt names in dt
   - support sc9863a

  arm:
   - drop redundant print

  ti:
   - convert dt-bindings to json schema

  and misc spelling fixes"

* tag 'mailbox-v5.13' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: qcom-ipcc: Add compatible for SC7280
  dt-bindings: mailbox: ti,secure-proxy: Convert to json schema
  mailbox: arm_mhu_db: Remove redundant dev_err call in mhu_db_probe()
  mailbox: sprd: Add supplementary inbox support
  dt-bindings: mailbox: Add interrupt-names to SPRD mailbox
  mailbox: sprd: Introduce refcnt when clients requests/free channels
  MAINTAINERS: Add DT bindings directory to mailbox
  mailbox: fix various typos in comments
  mailbox: pcc: fix platform_no_drv_owner.cocci warnings
  dt-bindings: mailbox: Add compatible for SM8350 IPCC
2021-04-28 16:10:33 -07:00
Linus Torvalds
c969f2451b - New Device Support
- Add support for PMI8994 to Qualcom WLED
    - Add support for KTD259 to Kinetic KTD253
 
  - Fix-ups
    - Device Tree related fix-ups; kinetic,ktd253
    - Use proper sequence during sync_toggle; qcom-wled
    - Fix Wmisleading-indentation warnings; jornada720_bl
 
  - Bug Fixes
    - Fix sync toggle on WLED4; qcom-wled
    - Fix FSC update on WLED5; qcom-wled
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Merge tag 'backlight-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Device Support:
   - Add support for PMI8994 to Qualcom WLED
   - Add support for KTD259 to Kinetic KTD253

  Fix-ups:
   - Device Tree related fix-ups; kinetic,ktd253
   - Use proper sequence during sync_toggle; qcom-wled
   - Fix Wmisleading-indentation warnings; jornada720_bl

  Bug Fixes:
   - Fix sync toggle on WLED4; qcom-wled
   - Fix FSC update on WLED5; qcom-wled"

* tag 'backlight-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: journada720: Fix Wmisleading-indentation warning
  backlight: qcom-wled: Correct the sync_toggle sequence
  backlight: qcom-wled: Fix FSC update issue for WLED5
  dt-bindings: backlight: Add Kinetic KTD259 bindings
  backlight: ktd253: Support KTD259
  backlight: qcom-wled: Use sink_addr for sync toggle
  dt-bindings: backlight: qcom-wled: Add PMI8994 compatible
2021-04-28 16:02:58 -07:00
Linus Torvalds
71a5cc28e8 - Core Frameworks
- Add support for Software Nodes to MFD Core
    - Remove support for Device Properties from MFD Core
    - Use standard APIs in MFD Core
 
  - New Drivers
    - Add support for ROHM BD9576MUF and BD9573MUF PMICs
    - Add support for Netronix Embedded Controller, PWM and RTC
    - Add support for Actions Semi ATC260x PMICs and OnKey
 
  - New Device Support
    - Add support for DG1 PCIe Graphics Card to Intel PMT
    - Add support for ROHM BD71815 PMIC to ROHM BD71828
    - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
    - Add support for AX10 BMC Secure Updates to Intel M10 BMC
 
  - Removed Device Support
    - Remove Arizona Extcon support from MFD
    - Remove ST-E AB8500 Power Supply code from MFD
    - Remove AB3100 altogether
 
  - New Functionality
    - Add support for SMBus and I2C modes to Dialog DA9063
    - Switch to using Software Nodes in Intel (various)
 
  - New/converted Device Tree bindings; rohm,bd71815-pmic, rohm,bd9576-pmic,
                                        netronix,ntxec, actions,atc260x,
 				       ricoh,rn5t618, qcom-pm8xxx
 
 - Fix-ups
    - Fix error handling/path; intel_pmt
    - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
    - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618, max8997
    - Use correct data-type; db8500-prcmu
    - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
    - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
    - Regmap related fix-ups; intel-m10-bmc, sec-core
    - Reorder resource freeing during remove; intel_quark_i2c_gpio
    - Make table indexing more robust; intel_quark_i2c_gpio
    - Fix reference imbalances; arizona-irq
    - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
                                         intel-lpss-acpi, intel-lpss-pci,
                                         atc260x-i2c, intel_quark_i2c_gpio
 
  - Bug Fixes
    - Fix incorrect (register) values; intel-m10-bmc
    - Kconfig related fixes; ABX500_CORE
    - Do not clear the Auto Reload Register; stm32-timers
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Merge tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Add support for Software Nodes to MFD Core
   - Remove support for Device Properties from MFD Core
   - Use standard APIs in MFD Core

  New Drivers:
   - Add support for ROHM BD9576MUF and BD9573MUF PMICs
   - Add support for Netronix Embedded Controller, PWM and RTC
   - Add support for Actions Semi ATC260x PMICs and OnKey

  New Device Support:
   - Add support for DG1 PCIe Graphics Card to Intel PMT
   - Add support for ROHM BD71815 PMIC to ROHM BD71828
   - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
   - Add support for AX10 BMC Secure Updates to Intel M10 BMC

  Removed Device Support:
   - Remove Arizona Extcon support from MFD
   - Remove ST-E AB8500 Power Supply code from MFD
   - Remove AB3100 altogether

  New Functionality:
   - Add support for SMBus and I2C modes to Dialog DA9063
   - Switch to using Software Nodes in Intel (various)

  New/converted Device Tree bindings:
   - rohm bd71815-pmic, rohm bd9576-pmic, netronix ntxec, actions
     atc260x, ricoh rn5t618, qcom pm8xxx

- Fix-ups:
   - Fix error handling/path; intel_pmt
   - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
   - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618,
     max8997
   - Use correct data-type; db8500-prcmu
   - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
   - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
   - Regmap related fix-ups; intel-m10-bmc, sec-core
   - Reorder resource freeing during remove; intel_quark_i2c_gpio
   - Make table indexing more robust; intel_quark_i2c_gpio
   - Fix reference imbalances; arizona-irq
   - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
     intel-lpss-acpi, intel-lpss-pci, atc260x-i2c, intel_quark_i2c_gpio

  Bug Fixes:
   - Fix incorrect (register) values; intel-m10-bmc
   - Kconfig related fixes; ABX500_CORE
   - Do not clear the Auto Reload Register; stm32-timers"

* tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
  mfd: intel-m10-bmc: Add support for MAX10 BMC Secure Updates
  Revert "mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell"
  mfd: twl: Remove unused inline function twl4030charger_usb_en()
  dt-bindings: mfd: Convert pm8xxx bindings to yaml
  dt-bindings: mfd: Add compatible for pmk8350 rtc
  i2c: designware: Get rid of legacy platform data
  mfd: intel_quark_i2c_gpio: Convert I²C to use software nodes
  mfd: lpc_sch: Partially revert "Add support for Intel Quark X1000"
  mfd: arizona: Fix rumtime PM imbalance on error
  mfd: max8997: Replace 8998 with 8997
  mfd: core: Use acpi_find_child_device() for child devices lookup
  mfd: intel_quark_i2c_gpio: Don't play dirty trick with const
  mfd: intel_quark_i2c_gpio: Enable MSI interrupt
  mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing
  mfd: ntxec: Support for EC in Tolino Shine 2 HD
  mfd: stm32-timers: Avoid clearing auto reload register
  mfd: intel_quark_i2c_gpio: Replace I²C speeds with descriptive definitions
  mfd: intel_quark_i2c_gpio: Remove unused struct device member
  mfd: intel_quark_i2c_gpio: Unregister resources in reversed order
  mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500
  ...
2021-04-28 15:59:13 -07:00
Linus Torvalds
be18cd1fca MMC core:
- Fix hanging on I/O during system suspend for removable cards
  - Set read only for SD cards with permanent write protect bit
  - Power cycle the SD/SDIO card if CMD11 fails for UHS voltage
  - Issue a cache flush for eMMC only when it's enabled
  - Adopt to updated cache ctrl settings for eMMC from MMC ioctls
  - Use use device property API when parsing voltages
  - Don't retry eMMC sanitize cmds
  - Use the timeout from the MMC ioctl for eMMC santize cmds
 
 MMC host:
  - mmc_spi: Make of_mmc_spi.c resource provider agnostic
  - mmc_spi: Use polling for card detect even without voltage-ranges
  - sdhci: Check for reset prior to DMA address unmap
  - sdhci-acpi: Add support for the AMDI0041 eMMC controller variant
  - sdhci-esdhc-imx: Depending on OF Kconfig and cleanup code
  - sdhci-pci: Add PCI IDs for Intel LKF
  - sdhci-pci: Fix initialization of some SD cards for Intel BYT
  - sdhci-pci-gli: Various improvements for GL97xx variants
  - sdhci-of-dwcmshc: Enable support for MMC_CAP_WAIT_WHILE_BUSY
  - sdhci-of-dwcmshc: Add ACPI support for BlueField-3 SoC
  - sdhci-of-dwcmshc: Add Rockchip platform support
  - tmio/renesas_sdhi: Extend support for reset and use a reset controller
  - tmio/renesas_sdhi: Enable support for MMC_CAP_WAIT_WHILE_BUSY
  - tmio/renesas_sdhi: Various improvements
 
 MEMSTICK:
  - Minor improvements/cleanups.
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Merge tag 'mmc-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC and MEMSTICK updates from Ulf Hansson:
 "MMC core:
   - Fix hanging on I/O during system suspend for removable cards
   - Set read only for SD cards with permanent write protect bit
   - Power cycle the SD/SDIO card if CMD11 fails for UHS voltage
   - Issue a cache flush for eMMC only when it's enabled
   - Adopt to updated cache ctrl settings for eMMC from MMC ioctls
   - Use use device property API when parsing voltages
   - Don't retry eMMC sanitize cmds
   - Use the timeout from the MMC ioctl for eMMC santize cmds

  MMC host:
   - mmc_spi: Make of_mmc_spi.c resource provider agnostic
   - mmc_spi: Use polling for card detect even without voltage-ranges
   - sdhci: Check for reset prior to DMA address unmap
   - sdhci-acpi: Add support for the AMDI0041 eMMC controller variant
   - sdhci-esdhc-imx: Depending on OF Kconfig and cleanup code
   - sdhci-pci: Add PCI IDs for Intel LKF
   - sdhci-pci: Fix initialization of some SD cards for Intel BYT
   - sdhci-pci-gli: Various improvements for GL97xx variants
   - sdhci-of-dwcmshc: Enable support for MMC_CAP_WAIT_WHILE_BUSY
   - sdhci-of-dwcmshc: Add ACPI support for BlueField-3 SoC
   - sdhci-of-dwcmshc: Add Rockchip platform support
   - tmio/renesas_sdhi: Extend support for reset and use a reset controller
   - tmio/renesas_sdhi: Enable support for MMC_CAP_WAIT_WHILE_BUSY
   - tmio/renesas_sdhi: Various improvements

  MEMSTICK:
   - Minor improvements/cleanups"

* tag 'mmc-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (79 commits)
  mmc: block: Issue a cache flush only when it's enabled
  memstick: r592: ignore kfifo_out() return code again
  mmc: block: Update ext_csd.cache_ctrl if it was written
  mmc: mmc_spi: Make of_mmc_spi.c resource provider agnostic
  mmc: mmc_spi: Use already parsed IRQ
  mmc: mmc_spi: Drop unused NO_IRQ definition
  mmc: mmc_spi: Set up polling even if voltage-ranges is not present
  mmc: core: Convert mmc_of_parse_voltage() to use device property API
  mmc: core: Correct descriptions in mmc_of_parse()
  mmc: dw_mmc-rockchip: Just set default sample value for legacy mode
  mmc: sdhci-s3c: constify uses of driver/match data
  mmc: sdhci-s3c: correct kerneldoc of sdhci_s3c_drv_data
  mmc: sdhci-s3c: simplify getting of_device_id match data
  mmc: tmio: always restore irq register
  mmc: sdhci-pci-gli: Enlarge ASPM L1 entry delay of GL975x
  mmc: core: Let eMMC sanitize not retry in case of timeout/failure
  mmc: core: Add a retries parameter to __mmc_switch function
  memstick: r592: remove unused variable
  mmc: sdhci-st: Remove unnecessary error log
  mmc: sdhci-msm: Remove unnecessary error log
  ...
2021-04-28 15:56:51 -07:00
Linus Torvalds
6fa09d3139 A bunch of little cleanups
Nothing major, no functional changes.
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Merge tag 'for-linus-5.13-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "A bunch of little cleanups

  Nothing major, no functional changes"

* tag 'for-linus-5.13-1' of git://github.com/cminyard/linux-ipmi:
  ipmi_si: Join string literals back
  ipmi_si: Drop redundant check before calling put_device()
  ipmi_si: Use strstrip() to remove surrounding spaces
  ipmi_si: Get rid of ->addr_source_cleanup()
  ipmi_si: Reuse si_to_str[] array in ipmi_hardcode_init_one()
  ipmi_si: Introduce ipmi_panic_event_str[] array
  ipmi_si: Use proper ACPI macros to check error code for failures
  ipmi_si: Utilize temporary variable to hold device pointer
  ipmi_si: Remove bogus err_free label
  ipmi_si: Switch to use platform_get_mem_or_io()
  ipmi: Handle device properties with software node API
  ipmi:ssif: make ssif_i2c_send() void
  ipmi: Refine retry conditions for getting device id
2021-04-28 15:54:57 -07:00
Linus Torvalds
0080665fbd Devicetree updates for v5.13:
- Refactoring powerpc and arm64 kexec DT handling to common code. This
   enables IMA on arm64.
 
 - Add kbuild support for applying DT overlays at build time. The first
   user are the DT unittests.
 
 - Fix kerneldoc formatting and W=1 warnings in drivers/of/
 
 - Fix handling 64-bit flag on PCI resources
 
 - Bump dtschema version required to v2021.2.1
 
 - Enable undocumented compatible checks for dtbs_check. This allows
   tracking of missing binding schemas.
 
 - DT docs improvements. Regroup the DT docs and add the example schema
   and DT kernel ABI docs to the doc build.
 
 - Convert Broadcom Bluetooth and video-mux bindings to schema
 
 - Add QCom sm8250 Venus video codec binding schema
 
 - Add vendor prefixes for AESOP, YIC System Co., Ltd, and Siliconfile
   Technologies Inc.
 
 - Cleanup of DT schema type references on common properties and
   standard unit properties
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Merge tag 'devicetree-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refactor powerpc and arm64 kexec DT handling to common code. This
   enables IMA on arm64.

 - Add kbuild support for applying DT overlays at build time. The first
   user are the DT unittests.

 - Fix kerneldoc formatting and W=1 warnings in drivers/of/

 - Fix handling 64-bit flag on PCI resources

 - Bump dtschema version required to v2021.2.1

 - Enable undocumented compatible checks for dtbs_check. This allows
   tracking of missing binding schemas.

 - DT docs improvements. Regroup the DT docs and add the example schema
   and DT kernel ABI docs to the doc build.

 - Convert Broadcom Bluetooth and video-mux bindings to schema

 - Add QCom sm8250 Venus video codec binding schema

 - Add vendor prefixes for AESOP, YIC System Co., Ltd, and Siliconfile
   Technologies Inc.

 - Cleanup of DT schema type references on common properties and
   standard unit properties

* tag 'devicetree-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (64 commits)
  powerpc: If kexec_build_elf_info() fails return immediately from elf64_load()
  powerpc: Free fdt on error in elf64_load()
  of: overlay: Fix kerneldoc warning in of_overlay_remove()
  of: linux/of.h: fix kernel-doc warnings
  of/pci: Add IORESOURCE_MEM_64 to resource flags for 64-bit memory addresses
  dt-bindings: bcm4329-fmac: add optional brcm,ccode-map
  docs: dt: update writing-schema.rst references
  dt-bindings: media: venus: Add sm8250 dt schema
  of: base: Fix spelling issue with function param 'prop'
  docs: dt: Add DT API documentation
  of: Add missing 'Return' section in kerneldoc comments
  of: Fix kerneldoc output formatting
  docs: dt: Group DT docs into relevant sub-sections
  docs: dt: Make 'Devicetree' wording more consistent
  docs: dt: writing-schema: Include the example schema in the doc build
  docs: dt: writing-schema: Remove spurious indentation
  dt-bindings: Fix reference in submitting-patches.rst to the DT ABI doc
  dt-bindings: ddr: Add optional manufacturer and revision ID to LPDDR3
  dt-bindings: media: video-interfaces: Drop the example
  devicetree: bindings: clock: Minor typo fix in the file armada3700-tbg-clock.txt
  ...
2021-04-28 15:50:24 -07:00
Linus Torvalds
5a69e9bce9 power supply and reset changes for the v5.13 series
battery/charger driver changes:
  * core: provide function stubs if CONFIG_POWER_SUPPLY=n
  * core: reduce loglevel for probe defer info
  * surface-battery: new battery driver for Surface
  * surface-charger: new charger driver for Surface
  * bq27xxx: add bq78z100 support
  * bq27xxx: fix current_now/power_avg for newer chips
  * cw2015: add CHARGE_NOW support
  * ab8500: drop pdata support
  * convert most DT bindings to YAML
  * lot's of minor fixes and cleanups
 
 reset drivers:
  * ltc2952-poweroff: make trigger delay configurable from DT
  * minor fixes and cleanups
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Merge tag 'for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "battery/charger driver changes:
   - core:
      - provide function stubs if CONFIG_POWER_SUPPLY=n
      - reduce loglevel for probe defer info
   - surface:
      - new battery and charger drivers for Surface
   - bq27xxx:
      - add bq78z100 support
      - fix current_now/power_avg for newer chips
   - cw2015:
      - add CHARGE_NOW support
   - ab8500:
      - drop pdata support
   - convert most DT bindings to YAML
   - lots of minor fixes and cleanups

  reset drivers:
   - ltc2952-poweroff:
      - make trigger delay configurable from DT
   - minor fixes and cleanups"

* tag 'for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (97 commits)
  power: supply: cpcap-battery: fix invalid usage of list cursor
  power: supply: bq256xx: add kerneldoc for structure members
  power: supply: act8945a: correct kerneldoc
  power: supply: max17040: remove unneeded double cast
  power: supply: max17040: handle device_property_read_u8_array() failure
  power: supply: max14577: remove unneeded variable initialization
  power: supply: surface-charger: Make symbol 'surface_ac_pm_ops' static
  power: supply: surface-battery: Make some symbols static
  power: reset: restart-poweroff: Add missing MODULE_DEVICE_TABLE
  power: reset: hisi-reboot: add missing MODULE_DEVICE_TABLE
  power: supply: s3c_adc_battery: fix possible use-after-free in s3c_adc_bat_remove()
  power: supply: generic-adc-battery: fix possible use-after-free in gab_remove()
  power: supply: Add AC driver for Surface Aggregator Module
  power: supply: Add battery driver for Surface Aggregator Module
  power: supply: bq25980: Move props from battery node
  power: supply: core: Use true and false for bool variable
  power: supply: goldfish: Remove the GOLDFISH dependency
  power: reset: ltc2952: make trigger delay configurable
  power: supply: cpcap-charger: Simplify bool conversion
  power: supply: cpcap-charger: Add usleep to cpcap charger to avoid usb plug bounce
  ...
2021-04-28 15:43:58 -07:00
Linus Torvalds
a8b5e037d8 HSI changes for the 5.13 series
* memory leak fix in hsi_add_client_from_dt() error path
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Merge tag 'hsi-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - memory leak fix in hsi_add_client_from_dt() error path

* tag 'hsi-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: core: fix resource leaks in hsi_add_client_from_dt()
2021-04-28 15:39:38 -07:00
Linus Torvalds
625434dafd for-5.13/io_uring-2021-04-27
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Merge tag 'for-5.13/io_uring-2021-04-27' of git://git.kernel.dk/linux-block

Pull io_uring updates from Jens Axboe:

 - Support for multi-shot mode for POLL requests

 - More efficient reference counting. This is shamelessly stolen from
   the mm side. Even though referencing is mostly single/dual user, the
   128 count was retained to keep the code the same. Maybe this
   should/could be made generic at some point.

 - Removal of the need to have a manager thread for each ring. The
   manager threads only job was checking and creating new io-threads as
   needed, instead we handle this from the queue path.

 - Allow SQPOLL without CAP_SYS_ADMIN or CAP_SYS_NICE. Since 5.12, this
   thread is "just" a regular application thread, so no need to restrict
   use of it anymore.

 - Cleanup of how internal async poll data lifetime is managed.

 - Fix for syzbot reported crash on SQPOLL cancelation.

 - Make buffer registration more like file registrations, which includes
   flexibility in avoiding full set unregistration and re-registration.

 - Fix for io-wq affinity setting.

 - Be a bit more defensive in task->pf_io_worker setup.

 - Various SQPOLL fixes.

 - Cleanup of SQPOLL creds handling.

 - Improvements to in-flight request tracking.

 - File registration cleanups.

 - Tons of cleanups and little fixes

* tag 'for-5.13/io_uring-2021-04-27' of git://git.kernel.dk/linux-block: (156 commits)
  io_uring: maintain drain logic for multishot poll requests
  io_uring: Check current->io_uring in io_uring_cancel_sqpoll
  io_uring: fix NULL reg-buffer
  io_uring: simplify SQPOLL cancellations
  io_uring: fix work_exit sqpoll cancellations
  io_uring: Fix uninitialized variable up.resv
  io_uring: fix invalid error check after malloc
  io_uring: io_sq_thread() no longer needs to reset current->pf_io_worker
  kernel: always initialize task->pf_io_worker to NULL
  io_uring: update sq_thread_idle after ctx deleted
  io_uring: add full-fledged dynamic buffers support
  io_uring: implement fixed buffers registration similar to fixed files
  io_uring: prepare fixed rw for dynanic buffers
  io_uring: keep table of pointers to ubufs
  io_uring: add generic rsrc update with tags
  io_uring: add IORING_REGISTER_RSRC
  io_uring: enumerate dynamic resources
  io_uring: add generic path for rsrc update
  io_uring: preparation for rsrc tagging
  io_uring: decouple CQE filling from requests
  ...
2021-04-28 14:56:09 -07:00
Linus Torvalds
c05a182bf4 for-5.13/libata-2021-04-27
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Merge tag 'for-5.13/libata-2021-04-27' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:
 "Mostly cleanups this time, but also a few additions:

   - kernel-doc cleanups and sanitization (Lee)

   - Spelling fix (Bhaskar)

   - Fix ata_qc_from_tag() return value check in dwc_460ex (Dinghao)

   - Fall-through warning fix (Gustavo)

   - IRQ registration fixes (Sergey)

   - Add AHCI support for Tegra186 (Sowjanya)

   - Add xiling phy support for AHCI (Piyush)

   - SXS disable fix for AHCI for Hisilicon Kunpeng920 (Xingui)

   - pata legacy probe mask support (Maciej)"

* tag 'for-5.13/libata-2021-04-27' of git://git.kernel.dk/linux-block: (54 commits)
  libata: Fix fall-through warnings for Clang
  pata_ipx4xx_cf: Fix unsigned comparison with less than zero
  ata: ahci_tegra: call tegra_powergate_power_off only when PM domain is not present
  ata: ahci_tegra: Add AHCI support for Tegra186
  dt-binding: ata: tegra: Add dt-binding documentation for Tegra186
  dt-bindings: ata: tegra: Convert binding documentation to YAML
  pata_legacy: Add `probe_mask' parameter like with ide-generic
  pata_platform: Document `pio_mask' module parameter
  pata_legacy: Properly document module parameters
  ata: ahci: ceva: Updated code by using dev_err_probe()
  ata: ahci: Disable SXS for Hisilicon Kunpeng920
  ata: libahci_platform: fix IRQ check
  sata_mv: add IRQ checks
  ata: pata_acpi: Fix some incorrect function param descriptions
  ata: libata-acpi: Fix function name and provide description for 'prev_gtf'
  ata: sata_mv: Fix misnaming of 'mv_bmdma_stop()'
  ata: pata_cs5530: Fix misspelling of 'cs5530_init_one()'s 'pdev' param
  ata: pata_legacy: Repair a couple kernel-doc problems
  ata: ata_generic: Fix misspelling of 'ata_generic_init_one()'
  ata: pata_opti: Fix spelling issue of 'val' in 'opti_write_reg()'
  ...
2021-04-28 14:50:20 -07:00
Linus Torvalds
fc05860628 for-5.13/drivers-2021-04-27
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Merge tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - MD changes via Song:
        - raid5 POWER fix
        - raid1 failure fix
        - UAF fix for md cluster
        - mddev_find_or_alloc() clean up
        - Fix NULL pointer deref with external bitmap
        - Performance improvement for raid10 discard requests
        - Fix missing information of /proc/mdstat

 - rsxx const qualifier removal (Arnd)

 - Expose allocated brd pages (Calvin)

 - rnbd via Gioh Kim:
        - Change maintainer
        - Change domain address of maintainers' email
        - Add polling IO mode and document update
        - Fix memory leak and some bug detected by static code analysis
          tools
        - Code refactoring

 - Series of floppy cleanups/fixes (Denis)

 - s390 dasd fixes (Julian)

 - kerneldoc fixes (Lee)

 - null_blk double free (Lv)

 - null_blk virtual boundary addition (Max)

 - Remove xsysace driver (Michal)

 - umem driver removal (Davidlohr)

 - ataflop fixes (Dan)

 - Revalidate disk removal (Christoph)

 - Bounce buffer cleanups (Christoph)

 - Mark lightnvm as deprecated (Christoph)

 - mtip32xx init cleanups (Shixin)

 - Various fixes (Tian, Gustavo, Coly, Yang, Zhang, Zhiqiang)

* tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block: (143 commits)
  async_xor: increase src_offs when dropping destination page
  drivers/block/null_blk/main: Fix a double free in null_init.
  md/raid1: properly indicate failure when ending a failed write request
  md-cluster: fix use-after-free issue when removing rdev
  nvme: introduce generic per-namespace chardev
  nvme: cleanup nvme_configure_apst
  nvme: do not try to reconfigure APST when the controller is not live
  nvme: add 'kato' sysfs attribute
  nvme: sanitize KATO setting
  nvmet: avoid queuing keep-alive timer if it is disabled
  brd: expose number of allocated pages in debugfs
  ataflop: fix off by one in ataflop_probe()
  ataflop: potential out of bounds in do_format()
  drbd: Fix fall-through warnings for Clang
  block/rnbd: Use strscpy instead of strlcpy
  block/rnbd-clt-sysfs: Remove copy buffer overlap in rnbd_clt_get_path_name
  block/rnbd-clt: Remove max_segment_size
  block/rnbd-clt: Generate kobject_uevent when the rnbd device state changes
  block/rnbd-srv: Remove unused arguments of rnbd_srv_rdma_ev
  Documentation/ABI/rnbd-clt: Add description for nr_poll_queues
  ...
2021-04-28 14:39:37 -07:00
Linus Torvalds
6c00292113 for-5.13/block-2021-04-27
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Merge tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:
 "Pretty quiet round this time, which is nice. In detail:

   - Series revamping bounce buffer support (Christoph)

   - Dead code removal (Christoph, Bart)

   - Partition iteration revamp, now using xarray (Christoph)

   - Passthrough request scheduler improvements (Lin)

   - Series of BFQ improvements (Paolo)

   - Fix ioprio task iteration (Peter)

   - Various little tweaks and fixes (Tejun, Saravanan, Bhaskar, Max,
     Nikolay)"

* tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block: (41 commits)
  blk-iocost: don't ignore vrate_min on QD contention
  blk-mq: Fix spurious debugfs directory creation during initialization
  bfq/mq-deadline: remove redundant check for passthrough request
  blk-mq: bypass IO scheduler's limit_depth for passthrough request
  block: Remove an obsolete comment from sg_io()
  block: move bio_list_copy_data to pktcdvd
  block: remove zero_fill_bio_iter
  block: add queue_to_disk() to get gendisk from request_queue
  block: remove an incorrect check from blk_rq_append_bio
  block: initialize ret in bdev_disk_changed
  block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
  block: remove disk_part_iter
  block: simplify diskstats_show
  block: simplify show_partition
  block: simplify printk_all_partitions
  block: simplify partition_overlaps
  block: simplify partition removal
  block: take bd_mutex around delete_partitions in del_gendisk
  block: refactor blk_drop_partitions
  block: move more syncing and invalidation to delete_partition
  ...
2021-04-28 14:27:12 -07:00
Oleksij Rempel
4a52dd8fef net: selftest: fix build issue if INET is disabled
In case ethernet driver is enabled and INET is disabled, selftest will
fail to build.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: 3e1e58d64c ("net: add generic selftest support")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210428130947.29649-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 14:06:45 -07:00
Jiapeng Chong
15c0a64bfc net: netrom: nr_in: Remove redundant assignment to ns
Variable ns is set to 'skb->data[17]' but this value is never read as
it is overwritten or not used later on, hence it is a redundant
assignment and can be removed.

Cleans up the following clang-analyzer warning:

net/netrom/nr_in.c:156:2: warning: Value stored to 'ns' is never read
[clang-analyzer-deadcode.DeadStores].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1619603885-115604-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:59:08 -07:00
Yang Li
808337bec7 net: tun: Remove redundant assignment to ret
Variable 'ret' is set to zero but this value is never read as it is
overwritten with a new value later on, hence it is a redundant
assignment and can be removed.

Cleans up the following clang-analyzer warning:

drivers/net/tun.c:3008:2: warning: Value stored to 'ret' is never read
[clang-analyzer-deadcode.DeadStores]

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1619603852-114996-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:58:58 -07:00
Maxim Kochetkov
65ad85f63b net: phy: marvell: add downshift support for M88E1240
Add downshift support for 88E1240, it uses the same downshift
configuration registers as 88E1011.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Link: https://lore.kernel.org/r/20210428095356.621536-1-fido_max@inbox.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:58:11 -07:00
Colin Ian King
12c2bb96c3 net: dsa: ksz: Make reg_mib_cnt a u8 as it never exceeds 255
Currently the for-loop in ksz8_port_init_cnt is causing a static
analysis infinite loop warning with the comparison of
mib->cnt_ptr < dev->reg_mib_cnt. This occurs because mib->cnt_ptr
is a u8 and dev->reg_mib_cnt is an int and the analyzer determines
that mib->cnt_ptr potentially can wrap around to zero if the value
in dev->reg_mib_cnt is > 255. However, this value is never this
large, it is always less than 256 so make reg_mib_cnt a u8.

Addresses-Coverity: ("Infinite loop")
Fixes: e66f840c08 ("net: dsa: ksz: Add Microchip KSZ8795 DSA driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210428120010.337959-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:56:27 -07:00
Roi Dayan
9be02dd385 net/sched: act_ct: Remove redundant ct get and check
The assignment is not being used and redundant.
The check for null is redundant as nf_conntrack_put() also
checks this.

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Link: https://lore.kernel.org/r/20210428060532.3330974-1-roid@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:51:18 -07:00
Andreas Roeseler
e542d29ca8 icmp: standardize naming of RFC 8335 PROBE constants
The current definitions of constants for PROBE, currently defined only
in the net-next kernel branch, are inconsistent, with
some beginning with ICMP and others with simply EXT. This patch
attempts to standardize the naming conventions of the constants for
PROBE before their release into a stable Kernel, and to update the
relevant definitions in net/ipv4/icmp.c.

Similarly, the definitions for the code field (previously
ICMP_EXT_MAL_QUERY, etc) use the same prefixes as the type field. This
patch adds _CODE_ to the prefix to clarify the distinction of these
constants.

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com>
Acked-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20210427153635.2591-1-andreas.a.roeseler@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 13:42:23 -07:00
Linus Torvalds
16b3d0cf5b Scheduler updates for this cycle are:
- Clean up SCHED_DEBUG: move the decades old mess of sysctl, procfs and debugfs interfaces
    to a unified debugfs interface.
 
  - Signals: Allow caching one sigqueue object per task, to improve performance & latencies.
 
  - Improve newidle_balance() irq-off latencies on systems with a large number of CPU cgroups.
 
  - Improve energy-aware scheduling
 
  - Improve the PELT metrics for certain workloads
 
  - Reintroduce select_idle_smt() to improve load-balancing locality - but without the previous
    regressions
 
  - Add 'scheduler latency debugging': warn after long periods of pending need_resched. This
    is an opt-in feature that requires the enabling of the LATENCY_WARN scheduler feature,
    or the use of the resched_latency_warn_ms=xx boot parameter.
 
  - CPU hotplug fixes for HP-rollback, and for the 'fail' interface. Fix remaining
    balance_push() vs. hotplug holes/races
 
  - PSI fixes, plus allow /proc/pressure/ files to be written by CAP_SYS_RESOURCE tasks as well
 
  - Fix/improve various load-balancing corner cases vs. capacity margins
 
  - Fix sched topology on systems with NUMA diameter of 3 or above
 
  - Fix PF_KTHREAD vs to_kthread() race
 
  - Minor rseq optimizations
 
  - Misc cleanups, optimizations, fixes and smaller updates
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Clean up SCHED_DEBUG: move the decades old mess of sysctl, procfs and
   debugfs interfaces to a unified debugfs interface.

 - Signals: Allow caching one sigqueue object per task, to improve
   performance & latencies.

 - Improve newidle_balance() irq-off latencies on systems with a large
   number of CPU cgroups.

 - Improve energy-aware scheduling

 - Improve the PELT metrics for certain workloads

 - Reintroduce select_idle_smt() to improve load-balancing locality -
   but without the previous regressions

 - Add 'scheduler latency debugging': warn after long periods of pending
   need_resched. This is an opt-in feature that requires the enabling of
   the LATENCY_WARN scheduler feature, or the use of the
   resched_latency_warn_ms=xx boot parameter.

 - CPU hotplug fixes for HP-rollback, and for the 'fail' interface. Fix
   remaining balance_push() vs. hotplug holes/races

 - PSI fixes, plus allow /proc/pressure/ files to be written by
   CAP_SYS_RESOURCE tasks as well

 - Fix/improve various load-balancing corner cases vs. capacity margins

 - Fix sched topology on systems with NUMA diameter of 3 or above

 - Fix PF_KTHREAD vs to_kthread() race

 - Minor rseq optimizations

 - Misc cleanups, optimizations, fixes and smaller updates

* tag 'sched-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (61 commits)
  cpumask/hotplug: Fix cpu_dying() state tracking
  kthread: Fix PF_KTHREAD vs to_kthread() race
  sched/debug: Fix cgroup_path[] serialization
  sched,psi: Handle potential task count underflow bugs more gracefully
  sched: Warn on long periods of pending need_resched
  sched/fair: Move update_nohz_stats() to the CONFIG_NO_HZ_COMMON block to simplify the code & fix an unused function warning
  sched/debug: Rename the sched_debug parameter to sched_verbose
  sched,fair: Alternative sched_slice()
  sched: Move /proc/sched_debug to debugfs
  sched,debug: Convert sysctl sched_domains to debugfs
  debugfs: Implement debugfs_create_str()
  sched,preempt: Move preempt_dynamic to debug.c
  sched: Move SCHED_DEBUG sysctl to debugfs
  sched: Don't make LATENCYTOP select SCHED_DEBUG
  sched: Remove sched_schedstats sysctl out from under SCHED_DEBUG
  sched/numa: Allow runtime enabling/disabling of NUMA balance without SCHED_DEBUG
  sched: Use cpu_dying() to fix balance_push vs hotplug-rollback
  cpumask: Introduce DYING mask
  cpumask: Make cpu_{online,possible,present,active}() inline
  rseq: Optimise rseq_get_rseq_cs() and clear_rseq_cs()
  ...
2021-04-28 13:33:57 -07:00
Linus Torvalds
42dec9a936 Perf events changes in this cycle were:
- Improve Intel uncore PMU support:
 
      - Parse uncore 'discovery tables' - a new hardware capability enumeration method
        introduced on the latest Intel platforms. This table is in a well-defined PCI
        namespace location and is read via MMIO. It is organized in an rbtree.
 
        These uncore tables will allow the discovery of standard counter blocks, but
        fancier counters still need to be enumerated explicitly.
 
      - Add Alder Lake support
 
      - Improve IIO stacks to PMON mapping support on Skylake servers
 
  - Add Intel Alder Lake PMU support - which requires the introduction of 'hybrid' CPUs
    and PMUs. Alder Lake is a mix of Golden Cove ('big') and Gracemont ('small' - Atom derived)
    cores.
 
    The CPU-side feature set is entirely symmetrical - but on the PMU side there's
    core type dependent PMU functionality.
 
  - Reduce data loss with CPU level hardware tracing on Intel PT / AUX profiling, by
    fixing the AUX allocation watermark logic.
 
  - Improve ring buffer allocation on NUMA systems
 
  - Put 'struct perf_event' into their separate kmem_cache pool
 
  - Add support for synchronous signals for select perf events. The immediate motivation
    is to support low-overhead sampling-based race detection for user-space code. The
    feature consists of the following main changes:
 
     - Add thread-only event inheritance via perf_event_attr::inherit_thread, which limits
       inheritance of events to CLONE_THREAD.
 
     - Add the ability for events to not leak through exec(), via perf_event_attr::remove_on_exec.
 
     - Allow the generation of SIGTRAP via perf_event_attr::sigtrap, extend siginfo with an u64
       ::si_perf, and add the breakpoint information to ::si_addr and ::si_perf if the event is
       PERF_TYPE_BREAKPOINT.
 
    The siginfo support is adequate for breakpoints right now - but the new field can be used
    to introduce support for other types of metadata passed over siginfo as well.
 
  - Misc fixes, cleanups and smaller updates.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf event updates from Ingo Molnar:

 - Improve Intel uncore PMU support:

     - Parse uncore 'discovery tables' - a new hardware capability
       enumeration method introduced on the latest Intel platforms. This
       table is in a well-defined PCI namespace location and is read via
       MMIO. It is organized in an rbtree.

       These uncore tables will allow the discovery of standard counter
       blocks, but fancier counters still need to be enumerated
       explicitly.

     - Add Alder Lake support

     - Improve IIO stacks to PMON mapping support on Skylake servers

 - Add Intel Alder Lake PMU support - which requires the introduction of
   'hybrid' CPUs and PMUs. Alder Lake is a mix of Golden Cove ('big')
   and Gracemont ('small' - Atom derived) cores.

   The CPU-side feature set is entirely symmetrical - but on the PMU
   side there's core type dependent PMU functionality.

 - Reduce data loss with CPU level hardware tracing on Intel PT / AUX
   profiling, by fixing the AUX allocation watermark logic.

 - Improve ring buffer allocation on NUMA systems

 - Put 'struct perf_event' into their separate kmem_cache pool

 - Add support for synchronous signals for select perf events. The
   immediate motivation is to support low-overhead sampling-based race
   detection for user-space code. The feature consists of the following
   main changes:

     - Add thread-only event inheritance via
       perf_event_attr::inherit_thread, which limits inheritance of
       events to CLONE_THREAD.

     - Add the ability for events to not leak through exec(), via
       perf_event_attr::remove_on_exec.

     - Allow the generation of SIGTRAP via perf_event_attr::sigtrap,
       extend siginfo with an u64 ::si_perf, and add the breakpoint
       information to ::si_addr and ::si_perf if the event is
       PERF_TYPE_BREAKPOINT.

   The siginfo support is adequate for breakpoints right now - but the
   new field can be used to introduce support for other types of
   metadata passed over siginfo as well.

 - Misc fixes, cleanups and smaller updates.

* tag 'perf-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
  signal, perf: Add missing TRAP_PERF case in siginfo_layout()
  signal, perf: Fix siginfo_t by avoiding u64 on 32-bit architectures
  perf/x86: Allow for 8<num_fixed_counters<16
  perf/x86/rapl: Add support for Intel Alder Lake
  perf/x86/cstate: Add Alder Lake CPU support
  perf/x86/msr: Add Alder Lake CPU support
  perf/x86/intel/uncore: Add Alder Lake support
  perf: Extend PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE
  perf/x86/intel: Add Alder Lake Hybrid support
  perf/x86: Support filter_match callback
  perf/x86/intel: Add attr_update for Hybrid PMUs
  perf/x86: Add structures for the attributes of Hybrid PMUs
  perf/x86: Register hybrid PMUs
  perf/x86: Factor out x86_pmu_show_pmu_cap
  perf/x86: Remove temporary pmu assignment in event_init
  perf/x86/intel: Factor out intel_pmu_check_extra_regs
  perf/x86/intel: Factor out intel_pmu_check_event_constraints
  perf/x86/intel: Factor out intel_pmu_check_num_counters
  perf/x86: Hybrid PMU support for extra_regs
  perf/x86: Hybrid PMU support for event constraints
  ...
2021-04-28 13:03:44 -07:00
Linus Torvalds
03b2cd72aa Objtool updates in this cycle were:
- Standardize the crypto asm code so that it looks like compiler-generated
    code to objtool - so that it can understand it. This enables unwinding
    from crypto asm code - and also fixes the last known remaining objtool
    warnings for LTO and more.
 
  - x86 decoder fixes: clean up and fix the decoder, and also extend it a bit
 
  - Misc fixes and cleanups
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool updates from Ingo Molnar:

 - Standardize the crypto asm code so that it looks like compiler-
   generated code to objtool - so that it can understand it. This
   enables unwinding from crypto asm code - and also fixes the last
   known remaining objtool warnings for LTO and more.

 - x86 decoder fixes: clean up and fix the decoder, and also extend it a
   bit

 - Misc fixes and cleanups

* tag 'objtool-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86/crypto: Enable objtool in crypto code
  x86/crypto/sha512-ssse3: Standardize stack alignment prologue
  x86/crypto/sha512-avx2: Standardize stack alignment prologue
  x86/crypto/sha512-avx: Standardize stack alignment prologue
  x86/crypto/sha256-avx2: Standardize stack alignment prologue
  x86/crypto/sha1_avx2: Standardize stack alignment prologue
  x86/crypto/sha_ni: Standardize stack alignment prologue
  x86/crypto/crc32c-pcl-intel: Standardize jump table
  x86/crypto/camellia-aesni-avx2: Unconditionally allocate stack buffer
  x86/crypto/aesni-intel_avx: Standardize stack alignment prologue
  x86/crypto/aesni-intel_avx: Fix register usage comments
  x86/crypto/aesni-intel_avx: Remove unused macros
  objtool: Support asm jump tables
  objtool: Parse options from OBJTOOL_ARGS
  objtool: Collate parse_options() users
  objtool: Add --backup
  objtool,x86: More ModRM sugar
  objtool,x86: Rewrite ADD/SUB/AND
  objtool,x86: Support %riz encodings
  objtool,x86: Simplify register decode
  ...
2021-04-28 12:53:24 -07:00
Linus Torvalds
0ff0edb550 Locking changes for this cycle were:
- rtmutex cleanup & spring cleaning pass that removes ~400 lines of code
  - Futex simplifications & cleanups
  - Add debugging to the CSD code, to help track down a tenacious race (or hw problem)
  - Add lockdep_assert_not_held(), to allow code to require a lock to not be held,
    and propagate this into the ath10k driver
  - Misc LKMM documentation updates
  - Misc KCSAN updates: cleanups & documentation updates
  - Misc fixes and cleanups
  - Fix locktorture bugs with ww_mutexes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - rtmutex cleanup & spring cleaning pass that removes ~400 lines of
   code

 - Futex simplifications & cleanups

 - Add debugging to the CSD code, to help track down a tenacious race
   (or hw problem)

 - Add lockdep_assert_not_held(), to allow code to require a lock to not
   be held, and propagate this into the ath10k driver

 - Misc LKMM documentation updates

 - Misc KCSAN updates: cleanups & documentation updates

 - Misc fixes and cleanups

 - Fix locktorture bugs with ww_mutexes

* tag 'locking-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
  kcsan: Fix printk format string
  static_call: Relax static_call_update() function argument type
  static_call: Fix unused variable warn w/o MODULE
  locking/rtmutex: Clean up signal handling in __rt_mutex_slowlock()
  locking/rtmutex: Restrict the trylock WARN_ON() to debug
  locking/rtmutex: Fix misleading comment in rt_mutex_postunlock()
  locking/rtmutex: Consolidate the fast/slowpath invocation
  locking/rtmutex: Make text section and inlining consistent
  locking/rtmutex: Move debug functions as inlines into common header
  locking/rtmutex: Decrapify __rt_mutex_init()
  locking/rtmutex: Remove pointless CONFIG_RT_MUTEXES=n stubs
  locking/rtmutex: Inline chainwalk depth check
  locking/rtmutex: Move rt_mutex_debug_task_free() to rtmutex.c
  locking/rtmutex: Remove empty and unused debug stubs
  locking/rtmutex: Consolidate rt_mutex_init()
  locking/rtmutex: Remove output from deadlock detector
  locking/rtmutex: Remove rtmutex deadlock tester leftovers
  locking/rtmutex: Remove rt_mutex_timed_lock()
  MAINTAINERS: Add myself as futex reviewer
  locking/mutex: Remove repeated declaration
  ...
2021-04-28 12:37:53 -07:00
Linus Torvalds
9a45da9270 RCU changes for this cycle were:
- Bitmap support for "N" as alias for last bit
  - kvfree_rcu updates
  - mm_dump_obj() updates.  (One of these is to mm, but was suggested by Andrew Morton.)
  - RCU callback offloading update
  - Polling RCU grace-period interfaces
  - Realtime-related RCU updates
  - Tasks-RCU updates
  - Torture-test updates
  - Torture-test scripting updates
  - Miscellaneous fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'core-rcu-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RCU updates from Ingo Molnar:

 - Support for "N" as alias for last bit in bitmap parsing library (eg
   using syntax like "nohz_full=2-N")

 - kvfree_rcu updates

 - mm_dump_obj() updates. (One of these is to mm, but was suggested by
   Andrew Morton.)

 - RCU callback offloading update

 - Polling RCU grace-period interfaces

 - Realtime-related RCU updates

 - Tasks-RCU updates

 - Torture-test updates

 - Torture-test scripting updates

 - Miscellaneous fixes

* tag 'core-rcu-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (77 commits)
  rcutorture: Test start_poll_synchronize_rcu() and poll_state_synchronize_rcu()
  rcu: Provide polling interfaces for Tiny RCU grace periods
  torture: Fix kvm.sh --datestamp regex check
  torture: Consolidate qemu-cmd duration editing into kvm-transform.sh
  torture: Print proper vmlinux path for kvm-again.sh runs
  torture: Make TORTURE_TRUST_MAKE available in kvm-again.sh environment
  torture: Make kvm-transform.sh update jitter commands
  torture: Add --duration argument to kvm-again.sh
  torture: Add kvm-again.sh to rerun a previous torture-test
  torture: Create a "batches" file for build reuse
  torture: De-capitalize TORTURE_SUITE
  torture: Make upper-case-only no-dot no-slash scenario names official
  torture: Rename SRCU-t and SRCU-u to avoid lowercase characters
  torture: Remove no-mpstat error message
  torture: Record kvm-test-1-run.sh and kvm-test-1-run-qemu.sh PIDs
  torture: Record jitter start/stop commands
  torture: Extract kvm-test-1-run-qemu.sh from kvm-test-1-run.sh
  torture: Record TORTURE_KCONFIG_GDB_ARG in qemu-cmd
  torture: Abstract jitter.sh start/stop into scripts
  rcu: Provide polling interfaces for Tree RCU grace periods
  ...
2021-04-28 12:00:13 -07:00
Jakub Kicinski
f89271f09f Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2021-04-28

The main changes are:

1) Add link detach and following re-attach for trampolines, from Jiri Olsa.

2) Use kernel's "binary printf" lib for formatted output BPF helpers (which
   avoids the needs for variadic argument handling), from Florent Revest.

3) Fix verifier 64 to 32 bit min/max bound propagation, from Daniel Borkmann.

4) Convert cpumap to use netif_receive_skb_list(), from Lorenzo Bianconi.

5) Add generic batched-ops support to percpu array map, from Pedro Tammela.

6) Various CO-RE relocation BPF selftests fixes, from Andrii Nakryiko.

7) Misc doc rst fixes, from Hengqi Chen.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
  bpf, selftests: Update array map tests for per-cpu batched ops
  bpf: Add batched ops support for percpu array
  bpf: Implement formatted output helpers with bstr_printf
  seq_file: Add a seq_bprintf function
  bpf, docs: Fix literal block for example code
  bpf, cpumap: Bulk skb using netif_receive_skb_list
  bpf: Fix propagation of 32 bit unsigned bounds from 64 bit bounds
  bpf: Lock bpf_trace_printk's tmp buf before it is written to
  selftests/bpf: Fix core_reloc test runner
  selftests/bpf: Fix field existence CO-RE reloc tests
  selftests/bpf: Fix BPF_CORE_READ_BITFIELD() macro
  libbpf: Support BTF_KIND_FLOAT during type compatibility checks in CO-RE
  selftests/bpf: Add remaining ASSERT_xxx() variants
  selftests/bpf: Use ASSERT macros in lsm test
  selftests/bpf: Test that module can't be unloaded with attached trampoline
  selftests/bpf: Add re-attach test to lsm test
  selftests/bpf: Add re-attach test to fexit_test
  selftests/bpf: Add re-attach test to fentry_test
  bpf: Allow trampoline re-attach for tracing and lsm programs
====================

Link: https://lore.kernel.org/r/20210427233740.22238-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-28 11:59:31 -07:00
Linus Torvalds
68a32ba141 drm for 5.13-rc1
- printk fourcc modifier support added %p4cc
 
 core:
 - drm_crtc_commit_wait
 - atomic plane state helpers reworked for full state
 - dma-buf heaps API rework
 - edid: rework and improvements for displayid
 
 dp-mst:
  - better topology logging
 
 bridge:
 - Chipone ICN6211
 - Lontium LT8912B
 - anx7625 regulator support
 
 panel:
 - fix lt9611 4k panels handling
 
 simple-kms:
 - add plane state helpers
 
 ttm:
 - debugfs support
 - removal of unused sysfs
 - ignore signaled moved fences
 - ioremap buffer according to mem caching
 
 i915:
 - Alderlake S enablement
 - Conversion to dma_resv_locking
 - Bring back watchdog timeout support
 - legacy ioctl cleanups
 - add GEM TDDO and RFC process
 - DG1 LMEM preparation work
 - intel_display.c refactoring
 - Gen9/TGL PCH combination support
 - eDP MSO Support
 - multiple PSR instance support
 - Link training debug updates
 - Disable PSR2 support on JSL/EHL
 - DDR5/LPDDR5 support for bw calcs
 - LSPCON limited to gen9/10 platforms
 - HSW/BDW async flip/VTd corruption workaround
 = SAGV watermakr fixes
 - SNB hard hang on ring resume fix
 - Limit imported dma-buf size
 - move to use new tasklet API
 - refactor KBL/TGL/ADL-S display/gt steppings
 - refactoring legacy DP/HDMI, FB plane code out
 
 amdgpu:
 - uapi: add ioctl to query video capabilities
 - Iniital AMD Freesync HDMI support
 - Initial Adebaran support
 - 10bpc dithering improvements
 - DCN secure display support
 - Drop legacy IO BAR requirements
 - PCIE/S0ix/RAS/Prime/Reset fixes
 - Display ASSR support
 - SMU gfx busy queues for RV/PCO
 - Initial LTTPR display work
 
 amdkfd:
 - MMU notifier fixes
 - APU fixes
 
 radeon:
 - debugfs cleanps
 - fw error handling ifix
 - Flexible array cleanups
 
 msm:
 - big DSI phy/pll cleanup
 - sc7280 initial support
 - commong bandwidth scaling path
 - shrinker locking contention fixes
 - unpin/swap support for GEM objcets
 
 ast:
 - cursor plane handling reworked
 
 tegra:
 - don't register DP AUX channels before connectors
 
 zynqmp:
 - fix OOB struct padding memset
 
 gma500:
 - drop ttm and medfield support
 
 exynos:
 - request_irq cleanup function
 
 mediatek:
 - fine tune line time for EOTp
 - MT8192 dpi support
 - atomic crtc config updates
 - don't support HDMI connector creation
 
 mxsdb:
 - imx8mm support
 
 panfrost:
 -= MMU IRQ handling rework
 
 qxl:
 - locking fixes
 - resource deallocation changes
 
 sun4i:
 - add alpha properties to UI/VI layers
 
 vc4:
 - RPi4 CEC support
 
 vmwgfx:
 - doc cleanups
 
 arc:
 - moved to drm/tiny
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Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "The usual lots of work all over the place.

  i915 has gotten some Alderlake work and prelim DG1 code, along with a
  major locking rework over the GEM code, and brings back the property
  of timing out long running jobs using a watchdog. amdgpu has some
  Alderbran support (new GPU), freesync HDMI support along with a lot
  other fixes.

  Outside of the drm, there is a new printf specifier added which should
  have all the correct acks/sobs:

   - printk fourcc modifier support added %p4cc

  Summary:

  core:
   - drm_crtc_commit_wait
   - atomic plane state helpers reworked for full state
   - dma-buf heaps API rework
   - edid: rework and improvements for displayid

  dp-mst:
   - better topology logging

  bridge:
   - Chipone ICN6211
   - Lontium LT8912B
   - anx7625 regulator support

  panel:
   - fix lt9611 4k panels handling

  simple-kms:
   - add plane state helpers

  ttm:
   - debugfs support
   - removal of unused sysfs
   - ignore signaled moved fences
   - ioremap buffer according to mem caching

  i915:
   - Alderlake S enablement
   - Conversion to dma_resv_locking
   - Bring back watchdog timeout support
   - legacy ioctl cleanups
   - add GEM TDDO and RFC process
   - DG1 LMEM preparation work
   - intel_display.c refactoring
   - Gen9/TGL PCH combination support
   - eDP MSO Support
   - multiple PSR instance support
   - Link training debug updates
   - Disable PSR2 support on JSL/EHL
   - DDR5/LPDDR5 support for bw calcs
   - LSPCON limited to gen9/10 platforms
   - HSW/BDW async flip/VTd corruption workaround
   - SAGV watermark fixes
   - SNB hard hang on ring resume fix
   - Limit imported dma-buf size
   - move to use new tasklet API
   - refactor KBL/TGL/ADL-S display/gt steppings
   - refactoring legacy DP/HDMI, FB plane code out

  amdgpu:
   - uapi: add ioctl to query video capabilities
   - Iniital AMD Freesync HDMI support
   - Initial Adebaran support
   - 10bpc dithering improvements
   - DCN secure display support
   - Drop legacy IO BAR requirements
   - PCIE/S0ix/RAS/Prime/Reset fixes
   - Display ASSR support
   - SMU gfx busy queues for RV/PCO
   - Initial LTTPR display work

  amdkfd:
   - MMU notifier fixes
   - APU fixes

  radeon:
   - debugfs cleanps
   - fw error handling ifix
   - Flexible array cleanups

  msm:
   - big DSI phy/pll cleanup
   - sc7280 initial support
   - commong bandwidth scaling path
   - shrinker locking contention fixes
   - unpin/swap support for GEM objcets

  ast:
   - cursor plane handling reworked

  tegra:
   - don't register DP AUX channels before connectors

  zynqmp:
   - fix OOB struct padding memset

  gma500:
   - drop ttm and medfield support

  exynos:
   - request_irq cleanup function

  mediatek:
   - fine tune line time for EOTp
   - MT8192 dpi support
   - atomic crtc config updates
   - don't support HDMI connector creation

  mxsdb:
   - imx8mm support

  panfrost:
   - MMU IRQ handling rework

  qxl:
   - locking fixes
   - resource deallocation changes

  sun4i:
   - add alpha properties to UI/VI layers

  vc4:
   - RPi4 CEC support

  vmwgfx:
   - doc cleanups

  arc:
   - moved to drm/tiny"

* tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm: (1390 commits)
  drm/ttm: Don't count pages in SG BOs against pages_limit
  drm/ttm: fix return value check
  drm/bridge: lt8912b: fix incorrect handling of of_* return values
  drm: bridge: fix LONTIUM use of mipi_dsi_() functions
  drm: bridge: fix ANX7625 use of mipi_dsi_() functions
  drm/amdgpu: page retire over debugfs mechanism
  drm/radeon: Fix a missing check bug in radeon_dp_mst_detect()
  drm/amd/display: Fix the Wunused-function warning
  drm/radeon/r600: Fix variables that are not used after assignment
  drm/amdgpu/smu7: fix CAC setting on TOPAZ
  drm/amd/display: Update DCN302 SR Exit Latency
  drm/amdgpu: enable ras eeprom on aldebaran
  drm/amdgpu: RAS harvest on driver load
  drm/amdgpu: add ras aldebaran ras eeprom driver
  drm/amd/pm: increase time out value when sending msg to SMU
  drm/amdgpu: add DMUB outbox event IRQ source define/complete/debug flag
  drm/amd/pm: add the callback to get vbios bootup values for vangogh
  drm/radeon: Fix size overflow
  drm/amdgpu: Fix size overflow
  drm/amdgpu: move mmhub ras_func init to ip specific file
  ...
2021-04-28 10:01:40 -07:00
Linus Torvalds
3aa139aa9f media updates for v5.13-rc1
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Merge tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - addition of a maintainer's profile for the media subsystem

 - addition of i.MX8 IP support

 - qcom/camss gained support for hardware version Titan 170

 - new RC keymaps

 - Lots of other improvements, cleanups and bug fixes

* tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (488 commits)
  media: coda: fix macroblocks count control usage
  media: rkisp1: params: fix wrong bits settings
  media: cedrus: Fix H265 status definitions
  media: meson-ge2d: fix rotation parameters
  media: v4l2-ctrls: fix reference to freed memory
  media: venus : hfi: add venus image info into smem
  media: venus: Fix internal buffer size calculations for v6.
  media: venus: helpers: keep max bandwidth when mbps exceeds the supported range
  media: venus: fix hw overload error log condition
  media: venus: core: correct firmware name for sm8250
  media: venus: core,pm: fix potential infinite loop
  media: venus: core: Fix kerneldoc warnings
  media: gscpa/stv06xx: fix memory leak
  media: cx25821: remove unused including <linux/version.h>
  media: staging: media/meson: remove redundant dev_err call
  media: adv7842: support 1 block EDIDs, fix clearing EDID
  media: adv7842: configure all pads
  media: allegro: change kernel-doc comment blocks to normal comments
  media: camss: ispif: Remove redundant dev_err call in msm_ispif_subdev_init()
  media: i2c: rdamc21: Fix warning on u8 cast
  ...
2021-04-28 09:24:36 -07:00
Linus Torvalds
acd3d28594 Miscellaneous minor fixes for v5.13.
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Merge tag 'fixes-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull security layer fixes from James Morris:
 "Miscellaneous minor fixes"

* tag 'fixes-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security: commoncap: clean up kernel-doc comments
  security: commoncap: fix -Wstringop-overread warning
2021-04-27 19:32:55 -07:00
Linus Torvalds
1e9599dfc4 linux-kselftest-kunit-5.13-rc1
This KUnit update for Linux 5.13-rc1 consists of several fixes and
 new feature to support failure from dynamic analysis tools such as
 UBSAN and fake ops for testing.
 
 - a fake ops struct for testing a "free" function to complain if it
   was called with an invalid argument, or caught a double-free. Most
   return void and have no normal means of signalling failure
   (e.g. super_operations, iommu_ops, etc.).
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Merge tag 'linux-kselftest-kunit-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan:
 "Several fixes and a new feature to support failure from dynamic
  analysis tools such as UBSAN and fake ops for testing.

   - a fake ops struct for testing a "free" function to complain if it
     was called with an invalid argument, or caught a double-free. Most
     return void and have no normal means of signalling failure (e.g.
     super_operations, iommu_ops, etc.)"

* tag 'linux-kselftest-kunit-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  Documentation: kunit: add tips for using current->kunit_test
  kunit: fix -Wunused-function warning for __kunit_fail_current_test
  kunit: support failure from dynamic analysis tools
  kunit: tool: make --kunitconfig accept dirs, add lib/kunit fragment
  kunit: make KUNIT_EXPECT_STREQ() quote values, don't print literals
  kunit: Match parenthesis alignment to improve code readability
2021-04-27 18:56:29 -07:00
Linus Torvalds
2a68c268a1 linux-kselftest-next-5.13-rc1
This Kselftest update for Linux 5.13-rc1 consists of:
 
 - fixes and updates to resctrl test from Fenghua Yu and Reinette Chatre
 - fixes to Kselftest documentation, framework
 - minor spelling correction in timers test
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Merge tag 'linux-kselftest-next-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:

 - fixes and updates to resctrl test from Fenghua Yu and Reinette Chatre

 - fixes to Kselftest documentation, framework

 - minor spelling correction in timers test

* tag 'linux-kselftest-next-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits)
  selftests/resctrl: Change a few printed messages
  Documentation: kselftest: fix path to test module files
  selftests/resctrl: Create .gitignore to include resctrl_tests
  selftests/resctrl: Fix checking for < 0 for unsigned values
  selftests/resctrl: Fix incorrect parsing of iMC counters
  selftests/resctrl: Fix unmount resctrl FS
  selftests/resctrl: Skip the test if requested resctrl feature is not supported
  selftests/resctrl: Modularize resctrl test suite main() function
  selftests/resctrl: Don't hard code value of "no_of_bits" variable
  selftests/resctrl: Fix MBA/MBM results reporting format
  selftests/resctrl: Use resctrl/info for feature detection
  selftests/resctrl: Check for resctrl mount point only if resctrl FS is supported
  selftests/resctrl: Add config dependencies
  selftests/resctrl: Fix a printed message
  selftests/resctrl: Share show_cache_info() by CAT and CMT tests
  selftests/resctrl: Call kselftest APIs to log test results
  selftests/resctrl: Rename CQM test as CMT test
  selftests/resctrl: Fix missing options "-n" and "-p"
  selftests/resctrl: Ensure sibling CPU is not same as original CPU
  selftests/resctrl: Clean up resctrl features check
  ...
2021-04-27 18:54:01 -07:00
Linus Torvalds
55e6be657b Merge branch 'for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:
 "The only notable change is Vipin's new misc cgroup controller.

  This implements generic support for resources which can be controlled
  by simply counting and limiting the number of resource instances - ie
  there's X number of these on the system and this cgroup subtree can
  have upto Y of those.

  The first user is the address space IDs used for virtual machine
  memory encryption and expected future usages are similar - niche
  hardware features with concrete resource limits and simple usage
  models"

* 'for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: use tsk->in_iowait instead of delayacct_is_task_waiting_on_io()
  cgroup/cpuset: fix typos in comments
  cgroup: misc: mark dummy misc_cg_res_total_usage() static inline
  svm/sev: Register SEV and SEV-ES ASIDs to the misc controller
  cgroup: Miscellaneous cgroup documentation.
  cgroup: Add misc cgroup controller
2021-04-27 18:47:42 -07:00
Linus Torvalds
eb6bbacc46 Livepatching changes for 5.13
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Merge tag 'livepatching-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching update from Petr Mladek:

 - Use TIF_NOTIFY_SIGNAL infrastructure instead of the fake signal

* tag 'livepatching-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch: Replace the fake signal sending with TIF_NOTIFY_SIGNAL infrastructure
2021-04-27 18:14:38 -07:00
Linus Torvalds
7f3d08b255 printk changes for 5.13
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Merge tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Stop synchronizing kernel log buffer readers by logbuf_lock. As a
   result, the access to the buffer is fully lockless now.

   Note that printk() itself still uses locks because it tries to flush
   the messages to the console immediately. Also the per-CPU temporary
   buffers are still there because they prevent infinite recursion and
   serialize backtraces from NMI. All this is going to change in the
   future.

 - kmsg_dump API rework and cleanup as a side effect of the logbuf_lock
   removal.

 - Make bstr_printf() aware that %pf and %pF formats could deference the
   given pointer.

 - Show also page flags by %pGp format.

 - Clarify the documentation for plain pointer printing.

 - Do not show no_hash_pointers warning multiple times.

 - Update Senozhatsky email address.

 - Some clean up.

* tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (24 commits)
  lib/vsprintf.c: remove leftover 'f' and 'F' cases from bstr_printf()
  printk: clarify the documentation for plain pointer printing
  kernel/printk.c: Fixed mundane typos
  printk: rename vprintk_func to vprintk
  vsprintf: dump full information of page flags in pGp
  mm, slub: don't combine pr_err with INFO
  mm, slub: use pGp to print page flags
  MAINTAINERS: update Senozhatsky email address
  lib/vsprintf: do not show no_hash_pointers message multiple times
  printk: console: remove unnecessary safe buffer usage
  printk: kmsg_dump: remove _nolock() variants
  printk: remove logbuf_lock
  printk: introduce a kmsg_dump iterator
  printk: kmsg_dumper: remove @active field
  printk: add syslog_lock
  printk: use atomic64_t for devkmsg_user.seq
  printk: use seqcount_latch for clear_seq
  printk: introduce CONSOLE_LOG_MAX
  printk: consolidate kmsg_dump_get_buffer/syslog_print_all code
  printk: refactor kmsg_dump_get_buffer()
  ...
2021-04-27 18:09:44 -07:00
Linus Torvalds
916a75965e kgdb patches for 5.13
Exclusively tidy ups this cycle. Most of them are thanks to Sumit Garg
 and, as it happens, the clean ups do result in a slight increase in
 the line count. This is due to registering kdb commands using data
 structures rather than function calls which, in turn, simplifies the
 memory management during command registration.
 
 In addition to changes to command registration we also have some dead
 code removal, a clearer implementation of environment variable handling
 and a typo fix.
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "Exclusively tidy ups this cycle. Most of them are thanks to Sumit Garg
  and, as it happens, the clean ups do result in a slight increase in
  the line count. This is due to registering kdb commands using data
  structures rather than function calls which, in turn, simplifies the
  memory management during command registration.

  In addition to changes to command registration we also have some dead
  code removal, a clearer implementation of environment variable
  handling and a typo fix"

* tag 'kgdb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kdb: Refactor env variables get/set code
  kernel: debug: Ordinary typo fixes in the file gdbstub.c
  kdb: Simplify kdb commands registration
  kdb: Remove redundant function definitions/prototypes
2021-04-27 18:07:19 -07:00
Linus Torvalds
6daa755f81 s390 updates for 5.13 merge window
- fix buffer size for in-kernel disassembler for ebpf programs.
 
 - fix two memory leaks in zcrypt driver.
 
 - expose PCI device UID as index, including an indicator if the uid is
   unique.
 
 - remove some oprofile leftovers.
 
 - improve stack unwinder tests.
 
 - don't use gcc atomic builtins anymore, just like all other
   architectures. Even though I'm sure the current code is ok, I
   totally dislike that s390 is the only architecture being special
   here; especially considering that there was a lengthly discussion
   about this topic and the outcome was not to use the builtins.
   Therefore open-code atomic ops again with inline assembly and switch
   to gcc builtins as soon as other architectures are doing.
 
 - couple of other changes to atomic and cmpxchg, and use
   atomic-instrumented.h for KASAN.
 
 - separate zbus creation, registration, and scanning in our PCI code
   which allows for cleaner and easier handling.
 
 - a rather large change to the vfio-ap code to fix circular locking
   dependencies when updating crypto masks.
 
 - move QAOB handling from qdio layer down to drivers.
 
 - add CRW inject facility to common I/O layer. This adds debugs files
   which allow to generate artificial events from user space for
   testing purposes.
 
 - increase SCLP console line length from 80 to 320 characters to avoid
   odd wrapped lines.
 
 - add protected virtualization guest and host indication files, which
   indicate either that a guest is running in pv mode or if the
   hypervisor is capable of starting pv guests.
 
 - various other small fixes and improvements all over the place.
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Merge tag 's390-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Heiko Carstens:

 - fix buffer size for in-kernel disassembler for ebpf programs.

 - fix two memory leaks in zcrypt driver.

 - expose PCI device UID as index, including an indicator if the uid is
   unique.

 - remove some oprofile leftovers.

 - improve stack unwinder tests.

 - don't use gcc atomic builtins anymore, just like all other
   architectures. Even though I'm sure the current code is ok, I totally
   dislike that s390 is the only architecture being special here;
   especially considering that there was a lengthly discussion about
   this topic and the outcome was not to use the builtins. Therefore
   open-code atomic ops again with inline assembly and switch to gcc
   builtins as soon as other architectures are doing.

 - couple of other changes to atomic and cmpxchg, and use
   atomic-instrumented.h for KASAN.

 - separate zbus creation, registration, and scanning in our PCI code
   which allows for cleaner and easier handling.

 - a rather large change to the vfio-ap code to fix circular locking
   dependencies when updating crypto masks.

 - move QAOB handling from qdio layer down to drivers.

 - add CRW inject facility to common I/O layer. This adds debugs files
   which allow to generate artificial events from user space for testing
   purposes.

 - increase SCLP console line length from 80 to 320 characters to avoid
   odd wrapped lines.

 - add protected virtualization guest and host indication files, which
   indicate either that a guest is running in pv mode or if the
   hypervisor is capable of starting pv guests.

 - various other small fixes and improvements all over the place.

* tag 's390-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (53 commits)
  s390/disassembler: increase ebpf disasm buffer size
  s390/archrandom: add parameter check for s390_arch_random_generate
  s390/zcrypt: fix zcard and zqueue hot-unplug memleak
  s390/pci: expose a PCI device's UID as its index
  s390/atomic,cmpxchg: always inline __xchg/__cmpxchg
  s390/smp: fix do_restart() prototype
  s390: get rid of oprofile leftovers
  s390/atomic,cmpxchg: make constraints work with old compilers
  s390/test_unwind: print test suite start/end info
  s390/cmpxchg: use unsigned long values instead of void pointers
  s390/test_unwind: add WARN if tests failed
  s390/test_unwind: unify error handling paths
  s390: update defconfigs
  s390/spinlock: use R constraint in inline assembly
  s390/atomic,cmpxchg: switch to use atomic-instrumented.h
  s390/cmpxchg: get rid of gcc atomic builtins
  s390/atomic: get rid of gcc atomic builtins
  s390/atomic: use proper constraints
  s390/atomic: move remaining inline assemblies to atomic_ops.h
  s390/bitops: make bitops only work on longs
  ...
2021-04-27 17:54:15 -07:00
Linus Torvalds
c6536676c7 - turn the stack canary into a normal __percpu variable on 32-bit which
gets rid of the LAZY_GS stuff and a lot of code.
 
 - Add an insn_decode() API which all users of the instruction decoder
 should preferrably use. Its goal is to keep the details of the
 instruction decoder away from its users and simplify and streamline how
 one decodes insns in the kernel. Convert its users to it.
 
 - kprobes improvements and fixes
 
 - Set the maximum DIE per package variable on Hygon
 
 - Rip out the dynamic NOP selection and simplify all the machinery around
 selecting NOPs. Use the simplified NOPs in objtool now too.
 
 - Add Xeon Sapphire Rapids to list of CPUs that support PPIN
 
 - Simplify the retpolines by folding the entire thing into an
 alternative now that objtool can handle alternatives with stack
 ops. Then, have objtool rewrite the call to the retpoline with the
 alternative which then will get patched at boot time.
 
 - Document Intel uarch per models in intel-family.h
 
 - Make Sub-NUMA Clustering topology the default and Cluster-on-Die the
 exception on Intel.
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Merge tag 'x86_core_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 updates from Borislav Petkov:

 - Turn the stack canary into a normal __percpu variable on 32-bit which
   gets rid of the LAZY_GS stuff and a lot of code.

 - Add an insn_decode() API which all users of the instruction decoder
   should preferrably use. Its goal is to keep the details of the
   instruction decoder away from its users and simplify and streamline
   how one decodes insns in the kernel. Convert its users to it.

 - kprobes improvements and fixes

 - Set the maximum DIE per package variable on Hygon

 - Rip out the dynamic NOP selection and simplify all the machinery
   around selecting NOPs. Use the simplified NOPs in objtool now too.

 - Add Xeon Sapphire Rapids to list of CPUs that support PPIN

 - Simplify the retpolines by folding the entire thing into an
   alternative now that objtool can handle alternatives with stack ops.
   Then, have objtool rewrite the call to the retpoline with the
   alternative which then will get patched at boot time.

 - Document Intel uarch per models in intel-family.h

 - Make Sub-NUMA Clustering topology the default and Cluster-on-Die the
   exception on Intel.

* tag 'x86_core_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
  x86, sched: Treat Intel SNC topology as default, COD as exception
  x86/cpu: Comment Skylake server stepping too
  x86/cpu: Resort and comment Intel models
  objtool/x86: Rewrite retpoline thunk calls
  objtool: Skip magical retpoline .altinstr_replacement
  objtool: Cache instruction relocs
  objtool: Keep track of retpoline call sites
  objtool: Add elf_create_undef_symbol()
  objtool: Extract elf_symbol_add()
  objtool: Extract elf_strtab_concat()
  objtool: Create reloc sections implicitly
  objtool: Add elf_create_reloc() helper
  objtool: Rework the elf_rebuild_reloc_section() logic
  objtool: Fix static_call list generation
  objtool: Handle per arch retpoline naming
  objtool: Correctly handle retpoline thunk calls
  x86/retpoline: Simplify retpolines
  x86/alternatives: Optimize optimize_nops()
  x86: Add insn_decode_kernel()
  x86/kprobes: Move 'inline' to the beginning of the kprobe_is_ss() declaration
  ...
2021-04-27 17:45:09 -07:00
Linus Torvalds
e7c6e405e1 Fix misc new gcc warnings
It seems like Fedora 34 ends up enabling a few new gcc warnings, notably
"-Wstringop-overread" and "-Warray-parameter".

Both of them cause what seem to be valid warnings in the kernel, where
we have array size mismatches in function arguments (that are no longer
just silently converted to a pointer to element, but actually checked).

This fixes most of the trivial ones, by making the function declaration
match the function definition, and in the case of intel_pm.c, removing
the over-specified array size from the argument declaration.

At least one 'stringop-overread' warning remains in the i915 driver, but
that one doesn't have the same obvious trivial fix, and may or may not
actually be indicative of a bug.

[ It was a mistake to upgrade one of my machines to Fedora 34 while
  being busy with the merge window, but if this is the extent of the
  compiler upgrade problems, things are better than usual    - Linus ]

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-04-27 17:05:53 -07:00