Commit Graph

47196 Commits

Author SHA1 Message Date
Linus Torvalds
d2283cdc18 A set of fixes for interrupt chip drivers:
- Revert the platform driver conversion of interrupt chip drivers as it
    turned out to create more problems than it solves.
 
  - Fix a trivial typo in the new module helpers which made probing reliably
    fail.
 
  - Small fixes in the STM32 and MIPS Ingenic drivers
 
  - The TI firmware rework which had badly managed dependencies and had to
    wait post rc1.
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Merge tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A set of fixes for interrupt chip drivers:

   - Revert the platform driver conversion of interrupt chip drivers as
     it turned out to create more problems than it solves.

   - Fix a trivial typo in the new module helpers which made probing
     reliably fail.

   - Small fixes in the STM32 and MIPS Ingenic drivers

   - The TI firmware rework which had badly managed dependencies and had
     to wait post rc1"

* tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/ingenic: Leave parent IRQ unmasked on suspend
  irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake
  irqchip: Revert modular support for drivers using IRQCHIP_PLATFORM_DRIVER helperse
  irqchip: Fix probing deferal when using IRQCHIP_PLATFORM_DRIVER helpers
  arm64: dts: k3-am65: Update the RM resource types
  arm64: dts: k3-am65: ti-sci-inta/intr: Update to latest bindings
  arm64: dts: k3-j721e: ti-sci-inta/intr: Update to latest bindings
  irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC
  irqchip/ti-sci-inta: Do not store TISCI device id in platform device id field
  dt-bindings: irqchip: Convert ti, sci-inta bindings to yaml
  dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent.
  irqchip/ti-sci-intr: Add support for INTR being a parent to INTR
  dt-bindings: irqchip: Convert ti, sci-intr bindings to yaml
  dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
  firmware: ti_sci: Add support for getting resource with subtype
  firmware: ti_sci: Drop unused structure ti_sci_rm_type_map
  firmware: ti_sci: Drop the device id to resource type translation
2020-08-30 11:56:54 -07:00
Linus Torvalds
8bb5021cc2 powerpc fixes for 5.9 #4
Revert our removal of PROT_SAO, at least one user expressed an interest in using
 it on Power9. Instead don't allow it to be used in guests unless enabled
 explicitly at compile time.
 
 A fix for a crash introduced by a recent change to FP handling.
 
 Revert a change to our idle code that left Power10 with no idle support.
 
 One minor fix for the new scv system call path to set PPR.
 
 Fix a crash in our "generic" PMU if branch stack events were enabled.
 
 A fix for the IMC PMU, to correctly identify host kernel samples.
 
 The ADB_PMU powermac code was found to be incompatible with VMAP_STACK, so make
 them incompatible in Kconfig until the code can be fixed.
 
 A build fix in drivers/video/fbdev/controlfb.c, and a documentation fix.
 
 Thanks to:
   Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy, Giuseppe Sacco,
   Madhavan Srinivasan, Milton Miller, Nicholas Piggin, Pratik Rajesh Sampat,
   Randy Dunlap, Shawn Anastasio, Vaidyanathan Srinivasan.
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Merge tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Revert our removal of PROT_SAO, at least one user expressed an
   interest in using it on Power9. Instead don't allow it to be used in
   guests unless enabled explicitly at compile time.

 - A fix for a crash introduced by a recent change to FP handling.

 - Revert a change to our idle code that left Power10 with no idle
   support.

 - One minor fix for the new scv system call path to set PPR.

 - Fix a crash in our "generic" PMU if branch stack events were enabled.

 - A fix for the IMC PMU, to correctly identify host kernel samples.

 - The ADB_PMU powermac code was found to be incompatible with
   VMAP_STACK, so make them incompatible in Kconfig until the code can
   be fixed.

 - A build fix in drivers/video/fbdev/controlfb.c, and a documentation
   fix.

Thanks to Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy,
Giuseppe Sacco, Madhavan Srinivasan, Milton Miller, Nicholas Piggin,
Pratik Rajesh Sampat, Randy Dunlap, Shawn Anastasio, Vaidyanathan
Srinivasan.

* tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU
  Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"
  powerpc/perf: Fix reading of MSR[HV/PR] bits in trace-imc
  powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
  powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode
  powerpc/64s: scv entry should set PPR
  Documentation/powerpc: fix malformed table in syscall64-abi
  video: fbdev: controlfb: Fix build for COMPILE_TEST=y && PPC_PMAC=n
  selftests/powerpc: Update PROT_SAO test to skip ISA 3.1
  powerpc/64s: Disallow PROT_SAO in LPARs by default
  Revert "powerpc/64s: Remove PROT_SAO support"
2020-08-30 10:56:12 -07:00
Linus Torvalds
326e311b84 Power management fixes for 5.9-rc3
- Make the recently added Tegra194 cpufreq driver use
    read_cpuid_mpir() instead of cpu_logical_map() to avoid
    exporting logical_cpu_map (Sumit Gupta).
 
  - Drop the automatic system wakeup event reporting for devices
    with pending runtime-resume requests during system-wide suspend
    to avoid spurious aborts of the suspend flow (Rafael Wysocki).
 
  - Fix build warning in the intel_pstate driver documentation and
    improve the wording in there (Randy Dunlap).
 
  - Clean up two pieces of code in the cpufreq core (Viresh Kumar).
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Merge tag 'pm-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix the recently added Tegra194 cpufreq driver and the handling
  of devices using runtime PM during system-wide suspend, improve the
  intel_pstate driver documentation and clean up the cpufreq core.

  Specifics:

   - Make the recently added Tegra194 cpufreq driver use
     read_cpuid_mpir() instead of cpu_logical_map() to avoid exporting
     logical_cpu_map (Sumit Gupta).

   - Drop the automatic system wakeup event reporting for devices with
     pending runtime-resume requests during system-wide suspend to avoid
     spurious aborts of the suspend flow (Rafael Wysocki).

   - Fix build warning in the intel_pstate driver documentation and
     improve the wording in there (Randy Dunlap).

   - Clean up two pieces of code in the cpufreq core (Viresh Kumar)"

* tag 'pm-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: Use WARN_ON_ONCE() for invalid relation
  cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq()
  PM: sleep: core: Fix the handling of pending runtime resume requests
  Documentation: fix pm/intel_pstate build warning and wording
  cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
2020-08-28 13:12:09 -07:00
Rafael J. Wysocki
ef7d960403 Merge branch 'pm-cpufreq'
* pm-cpufreq:
  cpufreq: Use WARN_ON_ONCE() for invalid relation
  cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq()
  Documentation: fix pm/intel_pstate build warning and wording
  cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
2020-08-28 20:58:16 +02:00
Randy Dunlap
aa661d7fab Documentation/powerpc: fix malformed table in syscall64-abi
Fix malformed table warning in powerpc/syscall64-abi.rst by making
two tables and moving the headings.

Documentation/powerpc/syscall64-abi.rst:53: WARNING: Malformed table.
Text in column margin in table line 2.

  =========== ============= ========================================
  --- For the sc instruction, differences with the ELF ABI ---
  r0          Volatile      (System call number.)
  r3          Volatile      (Parameter 1, and return value.)
  r4-r8       Volatile      (Parameters 2-6.)
  cr0         Volatile      (cr0.SO is the return error condition.)
  cr1, cr5-7  Nonvolatile
  lr          Nonvolatile

  --- For the scv 0 instruction, differences with the ELF ABI ---
  r0          Volatile      (System call number.)
  r3          Volatile      (Parameter 1, and return value.)
  r4-r8       Volatile      (Parameters 2-6.)
  =========== ============= ========================================

Fixes: 7fa95f9ada ("powerpc/64s: system call support for scv/rfscv instructions")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e06de4d3-a36f-2745-9775-467e125436cc@infradead.org
2020-08-27 17:40:55 +10:00
Linus Torvalds
c41c3ec4a2 io_uring-5.9-2020-08-23
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Merge tag 'io_uring-5.9-2020-08-23' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Sagi:
       - nvme completion rework from Christoph and Chao that mostly came
         from a bit of divergence of how we classify errors related to
         pathing/retry etc.
       - nvmet passthru fixes from Chaitanya
       - minor nvmet fixes from Amit and I
       - mpath round-robin path selection fix from Martin
       - ignore noiob for zoned devices from Keith
       - minor nvme-fc fix from Tianjia"

 - BFQ cgroup leak fix (Dmitry)

 - block layer MAINTAINERS addition (Geert)

 - fix null_blk FUA checking (Hou)

 - get_max_io_size() size fix (Keith)

 - fix block page_is_mergeable() for compound pages (Matthew)

 - discard granularity fixes (Ming)

 - IO scheduler ordering fix (Ming)

 - misc fixes

* tag 'io_uring-5.9-2020-08-23' of git://git.kernel.dk/linux-block: (31 commits)
  null_blk: fix passing of REQ_FUA flag in null_handle_rq
  nvmet: Disable keep-alive timer when kato is cleared to 0h
  nvme: redirect commands on dying queue
  nvme: just check the status code type in nvme_is_path_error
  nvme: refactor command completion
  nvme: rename and document nvme_end_request
  nvme: skip noiob for zoned devices
  nvme-pci: fix PRP pool size
  nvme-pci: Use u32 for nvme_dev.q_depth and nvme_queue.q_depth
  nvme: Use spin_lock_irq() when taking the ctrl->lock
  nvmet: call blk_mq_free_request() directly
  nvmet: fix oops in pt cmd execution
  nvmet: add ns tear down label for pt-cmd handling
  nvme: multipath: round-robin: eliminate "fallback" variable
  nvme: multipath: round-robin: fix single non-optimized path case
  nvme-fc: Fix wrong return value in __nvme_fc_init_request()
  nvmet-passthru: Reject commands with non-sgl flags set
  nvmet: fix a memory leak
  blkcg: fix memleak for iolatency
  MAINTAINERS: Add missing header files to BLOCK LAYER section
  ...
2020-08-24 11:53:15 -07:00
Randy Dunlap
1c50282199 Documentation: fix pm/intel_pstate build warning and wording
Fix documentation build warning and sentence wording:

Documentation/admin-guide/pm/intel_pstate.rst:568: WARNING: Unexpected indentation.

Fixes: f473bf398b ("cpufreq: intel_pstate: Allow raw energy performance preference value")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-08-24 12:48:37 +02:00
Linus Torvalds
cb95712138 powerpc fixes for 5.9 #3
Add perf support for emitting extended registers for power10.
 
 A fix for CPU hotplug on pseries, where on large/loaded systems we may not wait
 long enough for the CPU to be offlined, leading to crashes.
 
 Addition of a raw cputable entry for Power10, which is not required to boot, but
 is required to make our PMU setup work correctly in guests.
 
 Three fixes for the recent changes on 32-bit Book3S to move modules into their
 own segment for strict RWX.
 
 A fix for a recent change in our powernv PCI code that could lead to crashes.
 
 A change to our perf interrupt accounting to avoid soft lockups when using some
 events, found by syzkaller.
 
 A change in the way we handle power loss events from the hypervisor on pseries.
 We no longer immediately shut down if we're told we're running on a UPS.
 
 A few other minor fixes.
 
 Thanks to:
   Alexey Kardashevskiy, Andreas Schwab, Aneesh Kumar K.V, Anju T Sudhakar,
   Athira Rajeev, Christophe Leroy, Frederic Barrat, Greg Kurz, Kajol Jain,
   Madhavan Srinivasan, Michael Neuling, Michael Roth, Nageswara R Sastry, Oliver
   O'Halloran, Thiago Jung Bauermann, Vaidyanathan Srinivasan, Vasant Hegde.
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Merge tag 'powerpc-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Add perf support for emitting extended registers for power10.

 - A fix for CPU hotplug on pseries, where on large/loaded systems we
   may not wait long enough for the CPU to be offlined, leading to
   crashes.

 - Addition of a raw cputable entry for Power10, which is not required
   to boot, but is required to make our PMU setup work correctly in
   guests.

 - Three fixes for the recent changes on 32-bit Book3S to move modules
   into their own segment for strict RWX.

 - A fix for a recent change in our powernv PCI code that could lead to
   crashes.

 - A change to our perf interrupt accounting to avoid soft lockups when
   using some events, found by syzkaller.

 - A change in the way we handle power loss events from the hypervisor
   on pseries. We no longer immediately shut down if we're told we're
   running on a UPS.

 - A few other minor fixes.

Thanks to Alexey Kardashevskiy, Andreas Schwab, Aneesh Kumar K.V, Anju T
Sudhakar, Athira Rajeev, Christophe Leroy, Frederic Barrat, Greg Kurz,
Kajol Jain, Madhavan Srinivasan, Michael Neuling, Michael Roth,
Nageswara R Sastry, Oliver O'Halloran, Thiago Jung Bauermann,
Vaidyanathan Srinivasan, Vasant Hegde.

* tag 'powerpc-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/perf/hv-24x7: Move cpumask file to top folder of hv-24x7 driver
  powerpc/32s: Fix module loading failure when VMALLOC_END is over 0xf0000000
  powerpc/pseries: Do not initiate shutdown when system is running on UPS
  powerpc/perf: Fix soft lockups due to missed interrupt accounting
  powerpc/powernv/pci: Fix possible crash when releasing DMA resources
  powerpc/pseries/hotplug-cpu: wait indefinitely for vCPU death
  powerpc/32s: Fix is_module_segment() when MODULES_VADDR is defined
  powerpc/kasan: Fix KASAN_SHADOW_START on BOOK3S_32
  powerpc/fixmap: Fix the size of the early debug area
  powerpc/pkeys: Fix build error with PPC_MEM_KEYS disabled
  powerpc/kernel: Cleanup machine check function declarations
  powerpc: Add POWER10 raw mode cputable entry
  powerpc/perf: Add extended regs support for power10 platform
  powerpc/perf: Add support for outputting extended regs in perf intr_regs
  powerpc: Fix P10 PVR revision in /proc/cpuinfo for SMT4 cores
2020-08-23 11:37:23 -07:00
Linus Torvalds
10c091b62e A set of EFI fixes:
- Enforce NX on RO data in mixed EFI mode
  - Destroy workqueue in an error handling path to prevent UAF
  - Stop argument parser at '--' which is the delimiter for init
  - Treat a NULL command line pointer as empty instead of dereferncing it
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  - Cleanup the 32bit code leftovers and remove obsolete documentation
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Merge tag 'efi-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI fixes from Thomas Gleixner:

 - Enforce NX on RO data in mixed EFI mode

 - Destroy workqueue in an error handling path to prevent UAF

 - Stop argument parser at '--' which is the delimiter for init

 - Treat a NULL command line pointer as empty instead of dereferncing it
   unconditionally.

 - Handle an unterminated command line correctly

 - Cleanup the 32bit code leftovers and remove obsolete documentation

* tag 'efi-urgent-2020-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation: efi: remove description of efi=old_map
  efi/x86: Move 32-bit code into efi_32.c
  efi/libstub: Handle unterminated cmdline
  efi/libstub: Handle NULL cmdline
  efi/libstub: Stop parsing arguments at "--"
  efi: add missed destroy_workqueue when efisubsys_init fails
  efi/x86: Mark kernel rodata non-executable for mixed mode
2020-08-23 11:08:32 -07:00
Linus Torvalds
9d045ed1eb Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
 "Nothing earth shattering here, lots of small fixes (f.e. missing RCU
  protection, bad ref counting, missing memset(), etc.) all over the
  place:

   1) Use get_file_rcu() in task_file iterator, from Yonghong Song.

   2) There are two ways to set remote source MAC addresses in macvlan
      driver, but only one of which validates things properly. Fix this.
      From Alvin Šipraga.

   3) Missing of_node_put() in gianfar probing, from Sumera
      Priyadarsini.

   4) Preserve device wanted feature bits across multiple netlink
      ethtool requests, from Maxim Mikityanskiy.

   5) Fix rcu_sched stall in task and task_file bpf iterators, from
      Yonghong Song.

   6) Avoid reset after device destroy in ena driver, from Shay
      Agroskin.

   7) Missing memset() in netlink policy export reallocation path, from
      Johannes Berg.

   8) Fix info leak in __smc_diag_dump(), from Peilin Ye.

   9) Decapsulate ECN properly for ipv6 in ipv4 tunnels, from Mark
      Tomlinson.

  10) Fix number of data stream negotiation in SCTP, from David Laight.

  11) Fix double free in connection tracker action module, from Alaa
      Hleihel.

  12) Don't allow empty NHA_GROUP attributes, from Nikolay Aleksandrov"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (46 commits)
  net: nexthop: don't allow empty NHA_GROUP
  bpf: Fix two typos in uapi/linux/bpf.h
  net: dsa: b53: check for timeout
  tipc: call rcu_read_lock() in tipc_aead_encrypt_done()
  net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
  net: sctp: Fix negotiation of the number of data streams.
  dt-bindings: net: renesas, ether: Improve schema validation
  gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
  hv_netvsc: Fix the queue_mapping in netvsc_vf_xmit()
  hv_netvsc: Remove "unlikely" from netvsc_select_queue
  bpf: selftests: global_funcs: Check err_str before strstr
  bpf: xdp: Fix XDP mode when no mode flags specified
  selftests/bpf: Remove test_align leftovers
  tools/resolve_btfids: Fix sections with wrong alignment
  net/smc: Prevent kernel-infoleak in __smc_diag_dump()
  sfc: fix build warnings on 32-bit
  net: phy: mscc: Fix a couple of spelling mistakes "spcified" -> "specified"
  libbpf: Fix map index used in error message
  net: gemini: Fix missing free_netdev() in error path of gemini_ethernet_port_probe()
  net: atlantic: Use readx_poll_timeout() for large timeout
  ...
2020-08-23 10:52:33 -07:00
Linus Torvalds
d6af633056 Devicetree fixes for v5.9, take 2:
- Restore range parsing error check
 
 - Workaround PCI range parsing with missing 'device_type' now required
 
 - Correct description of 'phy-connection-type'
 
 - Fix erroneous matching on 'snps,dw-pcie' by 'intel,lgm-pcie' schema
 
 - A couple of grammar and whitespace fixes
 
 - Update Shawn Guo's email
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Merge tag 'devicetree-fixes-for-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:
 "Another set of DT fixes:

   - restore range parsing error check

   - workaround PCI range parsing with missing 'device_type' now
     required

   - correct description of 'phy-connection-type'

   - fix erroneous matching on 'snps,dw-pcie' by 'intel,lgm-pcie' schema

   - a couple of grammar and whitespace fixes

   - update Shawn Guo's email"

* tag 'devicetree-fixes-for-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: vendor-prefixes: Remove trailing whitespace
  dt-bindings: net: correct description of phy-connection-type
  dt-bindings: PCI: intel,lgm-pcie: Fix matching on all snps,dw-pcie instances
  of: address: Work around missing device_type property in pcie nodes
  dt: writing-schema: Miscellaneous grammar fixes
  dt-bindings: Use Shawn Guo's preferred e-mail for i.MX bindings
  of/address: check for invalid range.cpu_addr
2020-08-22 09:31:11 -07:00
Christoph Hellwig
2eb81a3364 nvme: rename and document nvme_end_request
nvme_end_request is a bit misnamed, as it wraps around the
blk_mq_complete_* API.  It's semantics also are non-trivial, so give it
a more descriptive name and add a comment explaining the semantics.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-08-21 17:14:28 -06:00
Geert Uytterhoeven
5cd841d267 dt-bindings: vendor-prefixes: Remove trailing whitespace
Fixes: f516fb704d ("dt-bindings: Whitespace clean-ups in schema files")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200819092058.1526-1-geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-21 16:27:57 -06:00
Madalin Bucur
5f53584ce9 dt-bindings: net: correct description of phy-connection-type
The phy-connection-type parameter is described in ePAPR 1.1:

Specifies interface type between the Ethernet device and a physical
layer (PHY) device. The value of this property is specific to the
implementation.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Link: https://lore.kernel.org/r/1597917724-11127-1-git-send-email-madalin.bucur@oss.nxp.com
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-21 16:01:50 -06:00
Rob Herring
a326462cba dt-bindings: PCI: intel,lgm-pcie: Fix matching on all snps,dw-pcie instances
The intel,lgm-pcie binding is matching on all snps,dw-pcie instances
which is wrong. Add a custom 'select' entry to fix this.

Fixes: e54ea45a49 ("dt-bindings: PCI: intel: Add YAML schemas for the PCIe RC controller")
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org
Reviewed-by: Dilip Kota <eswara.kota@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-21 15:51:01 -06:00
Linus Torvalds
f22c5579a7 RISC-V Fixes for 5.9-rc2
* The CLINT driver has been split in two: one to handle the M-mode CLINT
   (memory mapped and used on NOMMU systems) and one to handle the S-mode CLINT
   (via SBI).
 * The addition of SiFive's drivers to rv32_defconfig
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Merge tag 'riscv-for-linus-5.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - The CLINT driver has been split in two: one to handle the M-mode
   CLINT (memory mapped and used on NOMMU systems) and one to handle the
   S-mode CLINT (via SBI).

 - The addition of SiFive's drivers to rv32_defconfig

* tag 'riscv-for-linus-5.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Add SiFive drivers to rv32_defconfig
  dt-bindings: timer: Add CLINT bindings
  RISC-V: Remove CLINT related code from timer and arch
  clocksource/drivers: Add CLINT timer driver
  RISC-V: Add mechanism to provide custom IPI operations
2020-08-21 12:32:42 -07:00
Linus Torvalds
d723b99ec9 Improvements to ext4's block allocator performance for very large file
systems, especially when the file system or files which are highly
 fragmented.  There is a new mount option, prefetch_block_bitmaps which
 will pull in the block bitmaps and set up the in-memory buddy bitmaps
 when the file system is initially mounted.
 
 Beyond that, a lot of bug fixes and cleanups.  In particular, a number
 of changes to make ext4 more robust in the face of write errors or
 file system corruptions.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Improvements to ext4's block allocator performance for very large file
  systems, especially when the file system or files which are highly
  fragmented. There is a new mount option, prefetch_block_bitmaps which
  will pull in the block bitmaps and set up the in-memory buddy bitmaps
  when the file system is initially mounted.

  Beyond that, a lot of bug fixes and cleanups. In particular, a number
  of changes to make ext4 more robust in the face of write errors or
  file system corruptions"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (46 commits)
  ext4: limit the length of per-inode prealloc list
  ext4: reorganize if statement of ext4_mb_release_context()
  ext4: add mb_debug logging when there are lost chunks
  ext4: Fix comment typo "the the".
  jbd2: clean up checksum verification in do_one_pass()
  ext4: change to use fallthrough macro
  ext4: remove unused parameter of ext4_generic_delete_entry function
  mballoc: replace seq_printf with seq_puts
  ext4: optimize the implementation of ext4_mb_good_group()
  ext4: delete invalid comments near ext4_mb_check_limits()
  ext4: fix typos in ext4_mb_regular_allocator() comment
  ext4: fix checking of directory entry validity for inline directories
  fs: prevent BUG_ON in submit_bh_wbc()
  ext4: correctly restore system zone info when remount fails
  ext4: handle add_system_zone() failure in ext4_setup_system_zone()
  ext4: fold ext4_data_block_valid_rcu() into the caller
  ext4: check journal inode extents more carefully
  ext4: don't allow overlapping system zones
  ext4: handle error of ext4_setup_system_zone() on remount
  ext4: delete the invalid BUGON in ext4_mb_load_buddy_gfp()
  ...
2020-08-21 11:03:38 -07:00
Kajol Jain
64ef8f2c47 powerpc/perf/hv-24x7: Move cpumask file to top folder of hv-24x7 driver
Commit 792f73f747 ("powerpc/hv-24x7: Add sysfs files inside hv-24x7
device to show cpumask") added cpumask file as part of hv-24x7 driver
inside the interface folder. The cpumask file is supposed to be in the
top folder of the PMU driver in order to make hotplug work.

This patch fixes that issue and creates new group 'cpumask_attr_group'
to add cpumask file and make sure it added in top folder.

  command:# cat /sys/devices/hv_24x7/cpumask
  0

Fixes: 792f73f747 ("powerpc/hv-24x7: Add sysfs files inside hv-24x7 device to show cpumask")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200821080610.123997-1-kjain@linux.ibm.com
2020-08-21 23:35:27 +10:00
Geert Uytterhoeven
41506bff84 dt-bindings: net: renesas, ether: Improve schema validation
- Remove pinctrl consumer properties, as they are handled by core
    dt-schema,
  - Document missing properties,
  - Document missing PHY child node,
  - Add "additionalProperties: false".

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-20 16:30:56 -07:00
Anup Patel
a2770b57d0
dt-bindings: timer: Add CLINT bindings
We add DT bindings documentation for CLINT device.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Tested-by: Emil Renner Berhing <kernel@esmil.dk>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-08-20 10:58:28 -07:00
Ard Biesheuvel
fb1201aece Documentation: efi: remove description of efi=old_map
The old EFI runtime region mapping logic that was kept around for some
time has finally been removed entirely, along with the SGI UV1 support
code that was its last remaining user. So remove any mention of the
efi=old_map command line parameter from the docs.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2020-08-20 11:18:36 +02:00
Geert Uytterhoeven
4364792917 dt: writing-schema: Miscellaneous grammar fixes
- Add missing verb,
  - Fix accidental plural.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200819124850.20543-1-geert+renesas@glider.be
2020-08-19 14:21:04 -06:00
brookxu
27bc446e2d ext4: limit the length of per-inode prealloc list
In the scenario of writing sparse files, the per-inode prealloc list may
be very long, resulting in high overhead for ext4_mb_use_preallocated().
To circumvent this problem, we limit the maximum length of per-inode
prealloc list to 512 and allow users to modify it.

After patching, we observed that the sys ratio of cpu has dropped, and
the system throughput has increased significantly. We created a process
to write the sparse file, and the running time of the process on the
fixed kernel was significantly reduced, as follows:

Running time on unfixed kernel:
[root@TENCENT64 ~]# time taskset 0x01 ./sparse /data1/sparce.dat
real    0m2.051s
user    0m0.008s
sys     0m2.026s

Running time on fixed kernel:
[root@TENCENT64 ~]# time taskset 0x01 ./sparse /data1/sparce.dat
real    0m0.471s
user    0m0.004s
sys     0m0.395s

Signed-off-by: Chunguang Xu <brookxu@tencent.com>
Link: https://lore.kernel.org/r/d7a98178-056b-6db5-6bce-4ead23f4a257@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2020-08-19 12:04:36 -04:00
Linus Torvalds
18445bf405 spi: Fixes for v5.9
A bunch of fixes that came in for SPI during the merge window, a bunch
 from ST and others for their controller, one from Lukas for a race
 between device addition and controller unregistration and one from fix
 from Geert for the DT bindings which unbreaks validation.
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Merge tag 'spi-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A bunch of fixes that came in for SPI during the merge window.

  Some from ST and others for their controller, one from Lukas for a
  race between device addition and controller unregistration and one
  from fix from Geert for the DT bindings which unbreaks validation"

* tag 'spi-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  dt-bindings: lpspi: Add missing boolean type for fsl,spi-only-use-cs1-sel
  spi: stm32: always perform registers configuration prior to transfer
  spi: stm32: fixes suspend/resume management
  spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
  spi: stm32: fix fifo threshold level in case of short transfer
  spi: stm32h7: fix race condition at end of transfer
  spi: stm32: clear only asserted irq flags on interrupt
  spi: Prevent adding devices below an unregistering controller
2020-08-18 14:27:12 -07:00
Fabio Estevam
e65b85dd0c dt-bindings: Use Shawn Guo's preferred e-mail for i.MX bindings
Use Shawn Guo's kernel.org address for the i.MX related bindings
as per the MAINTAINERS entries.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200818111245.17047-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-18 10:31:43 -06:00
Linus Torvalds
4cf7562190 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
 "Another batch of fixes:

  1) Remove nft_compat counter flush optimization, it generates warnings
     from the refcount infrastructure. From Florian Westphal.

  2) Fix BPF to search for build id more robustly, from Jiri Olsa.

  3) Handle bogus getopt lengths in ebtables, from Florian Westphal.

  4) Infoleak and other fixes to j1939 CAN driver, from Eric Dumazet and
     Oleksij Rempel.

  5) Reset iter properly on mptcp sendmsg() error, from Florian
     Westphal.

  6) Show a saner speed in bonding broadcast mode, from Jarod Wilson.

  7) Various kerneldoc fixes in bonding and elsewhere, from Lee Jones.

  8) Fix double unregister in bonding during namespace tear down, from
     Cong Wang.

  9) Disable RP filter during icmp_redirect selftest, from David Ahern"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (75 commits)
  otx2_common: Use devm_kcalloc() in otx2_config_npa()
  net: qrtr: fix usage of idr in port assignment to socket
  selftests: disable rp_filter for icmp_redirect.sh
  Revert "net: xdp: pull ethernet header off packet after computing skb->protocol"
  phylink: <linux/phylink.h>: fix function prototype kernel-doc warning
  mptcp: sendmsg: reset iter on error redux
  net: devlink: Remove overzealous WARN_ON with snapshots
  tipc: not enable tipc when ipv6 works as a module
  tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
  net: Fix potential wrong skb->protocol in skb_vlan_untag()
  net: xdp: pull ethernet header off packet after computing skb->protocol
  ipvlan: fix device features
  bonding: fix a potential double-unregister
  can: j1939: add rxtimer for multipacket broadcast session
  can: j1939: abort multipacket broadcast session when timeout occurs
  can: j1939: cancel rxtimer on multipacket broadcast session complete
  can: j1939: fix support for multipacket broadcast message
  net: fddi: skfp: cfm: Remove seemingly unused variable 'ID_sccs'
  net: fddi: skfp: cfm: Remove set but unused variable 'oldstate'
  net: fddi: skfp: smt: Remove seemingly unused variable 'ID_sccs'
  ...
2020-08-17 17:09:50 -07:00
Lokesh Vutla
c4dff06e79 dt-bindings: irqchip: Convert ti, sci-inta bindings to yaml
In order to automate the verification of DT nodes convert
ti,sci-inta.txt ti,sci-inta.yaml.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-9-lokeshvutla@ti.com
2020-08-16 22:01:19 +01:00
Lokesh Vutla
6dde29dc31 dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent.
Drop the firmware related interrupt ranges and use the hardware specified
interrupt numbers within Interrupt Aggregator. This ensures interrupt
aggregator DT node need not assume any interrupt parent type.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-8-lokeshvutla@ti.com
2020-08-16 22:00:23 +01:00
Lokesh Vutla
b8713af858 dt-bindings: irqchip: Convert ti, sci-intr bindings to yaml
In order to automate the verification of DT nodes convert
ti,sci-intr.txt ti,sci-intr.yaml.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-6-lokeshvutla@ti.com
2020-08-16 22:00:23 +01:00
Lokesh Vutla
9a8e2ae71f dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
Drop the firmware related dt-bindings and use the hardware specified
interrupt numbers within Interrupt Router. This ensures interrupt router
DT node need not assume any interrupt parent type.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-5-lokeshvutla@ti.com
2020-08-16 22:00:23 +01:00
Linus Torvalds
50f6c7dbd9 Misc fixes and small updates all around the place:
- Fix mitigation state sysfs output
  - Fix an FPU xstate/sxave code assumption bug triggered by Architectural LBR support
  - Fix Lightning Mountain SoC TSC frequency enumeration bug
  - Fix kexec debug output
  - Fix kexec memory range assumption bug
  - Fix a boundary condition in the crash kernel code
 
  - Optimize porgatory.ro generation a bit
  - Enable ACRN guests to use X2APIC mode
  - Reduce a __text_poke() IRQs-off critical section for the benefit of PREEMPT_RT
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Misc fixes and small updates all around the place:

   - Fix mitigation state sysfs output

   - Fix an FPU xstate/sxave code assumption bug triggered by
     Architectural LBR support

   - Fix Lightning Mountain SoC TSC frequency enumeration bug

   - Fix kexec debug output

   - Fix kexec memory range assumption bug

   - Fix a boundary condition in the crash kernel code

   - Optimize porgatory.ro generation a bit

   - Enable ACRN guests to use X2APIC mode

   - Reduce a __text_poke() IRQs-off critical section for the benefit of
     PREEMPT_RT"

* tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/alternatives: Acquire pte lock with interrupts enabled
  x86/bugs/multihit: Fix mitigation reporting when VMX is not in use
  x86/fpu/xstate: Fix an xstate size check warning with architectural LBRs
  x86/purgatory: Don't generate debug info for purgatory.ro
  x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC
  kexec_file: Correctly output debugging information for the PT_LOAD ELF header
  kexec: Improve & fix crash_exclude_mem_range() to handle overlapping ranges
  x86/crash: Correct the address boundary of function parameters
  x86/acrn: Remove redundant chars from ACRN signature
  x86/acrn: Allow ACRN guest to use X2APIC mode
2020-08-15 10:38:03 -07:00
Linus Torvalds
b07175dc41 Devicetree fixes for v5.9:
Another round of 'allOf' removals and whitespace clean-ups of schemas.
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Merge tag 'devicetree-fixes-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:
 "Another round of 'allOf' removals and whitespace clean-ups of schemas"

* tag 'devicetree-fixes-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: Remove more cases of 'allOf' containing a '$ref'
  dt-bindings: Whitespace clean-ups in schema files
2020-08-15 08:19:58 -07:00
Linus Torvalds
1a5d9dbbaf One more power management update for 5.9-rc1
Modify the intel_pstate driver to allow it to work in the passive
 mode with hardware-managed P-states (HWP) enabled.
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Merge tag 'pm-5.9-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull one more power management update from Rafael Wysocki:
 "Modify the intel_pstate driver to allow it to work in the passive mode
  with hardware-managed P-states (HWP) enabled"

* tag 'pm-5.9-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: Implement passive mode with HWP enabled
2020-08-15 08:17:01 -07:00
Linus Torvalds
884e0d3dd5 - Core Frameworks
- Make better attempt at matching device with the correct OF node
    - Allow batch removal of hierarchical sub-devices
 
  - New Drivers
    - Add STM32 Clocksource driver
    - Add support for Khadas System Control Microcontroller
 
  - Driver Removal
    - Remove unused driver for TI's SMSC ECE1099
 
  - New Device Support
    - Add support for Intel Emmitsburg PCH to Intel LPSS PCI
    - Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
    - Add support for Dialog DA revision to Dialog DA9063
 
  - New Functionality
    - Add support for AXP803 to be probed by I2C
 
  - Fix-ups
    - Numerous W=1 warning fixes
    - Device Tree changes; stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller
    - Enabled Regmap 'fast I/O'; stm32-lptimer
    - Change BUG_ON to WARN_ON; arizona-core
    - Remove superfluous code/initialisation; madera, max14577
    - Trivial formatting/spelling issues; madera-core, madera-i2c, da9055, max77693-private
    - Switch to of_platform_populate(); sprd-sc27xx-spi
    - Expand out set/get brightness/pwm macros; lm3533-ctrlbank
    - Disable IRQs on suspend; motorola-cpcap
    - Clean-up error handling; intel_soc_pmic_mrfld
    - Ensure correct removal order of sub-devices; madera
    - Many s/HTTP/HTTPS/ link changes
    - Ensure name used with Regmap is unique; syscon
 
  - Bug Fixes
    - Properly 'put' clock on unbind and error; arizona-core
    - Fix revision handling; da9063
    - Fix 'assignment of read-only location' error; kempld-core
    - Avoid using the Regmap API when atomic; rn5t618
    - Redefine volatile register description; rn5t618
    - Use locking to protect event handler; dln2
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Merge tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks
   - Make better attempt at matching device with the correct OF node
   - Allow batch removal of hierarchical sub-devices

  New Drivers
   - Add STM32 Clocksource driver
   - Add support for Khadas System Control Microcontroller

  Driver Removal
   - Remove unused driver for TI's SMSC ECE1099

  New Device Support
   - Add support for Intel Emmitsburg PCH to Intel LPSS PCI
   - Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
   - Add support for Dialog DA revision to Dialog DA9063

  New Functionality
   - Add support for AXP803 to be probed by I2C

  Fix-ups
   - Numerous W=1 warning fixes
   - Device Tree changes (stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller)
   - Enabled Regmap 'fast I/O' in stm32-lptimer
   - Change BUG_ON to WARN_ON in arizona-core
   - Remove superfluous code/initialisation (madera, max14577)
   - Trivial formatting/spelling issues (madera-core, madera-i2c, da9055, max77693-private)
   - Switch to of_platform_populate() in sprd-sc27xx-spi
   - Expand out set/get brightness/pwm macros in lm3533-ctrlbank
   - Disable IRQs on suspend in motorola-cpcap
   - Clean-up error handling in intel_soc_pmic_mrfld
   - Ensure correct removal order of sub-devices in madera
   - Many s/HTTP/HTTPS/ link changes
   - Ensure name used with Regmap is unique in syscon

  Bug Fixes
   - Properly 'put' clock on unbind and error in arizona-core
   - Fix revision handling in da9063
   - Fix 'assignment of read-only location' error in kempld-core
   - Avoid using the Regmap API when atomic in rn5t618
   - Redefine volatile register description in rn5t618
   - Use locking to protect event handler in dln2"

* tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (76 commits)
  mfd: syscon: Use a unique name with regmap_config
  mfd: Replace HTTP links with HTTPS ones
  mfd: dln2: Run event handler loop under spinlock
  mfd: madera: Improve handling of regulator unbinding
  mfd: mfd-core: Add mechanism for removal of a subset of children
  mfd: intel_soc_pmic_mrfld: Simplify the return expression of intel_scu_ipc_dev_iowrite8()
  mfd: max14577: Remove redundant initialization of variable current_bits
  mfd: rn5t618: Fix caching of battery related registers
  mfd: max77693-private: Drop a duplicated word
  mfd: da9055: pdata.h: Drop a duplicated word
  mfd: rn5t618: Make restart handler atomic safe
  mfd: kempld-core: Fix 'assignment of read-only location' error
  mfd: axp20x: Allow the AXP803 to be probed by I2C
  mfd: da9063: Add support for latest DA silicon revision
  mfd: da9063: Fix revision handling to correctly select reg tables
  dt-bindings: mfd: st,stmfx: Remove I2C unit name
  dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller
  mfd: motorola-cpcap: Disable interrupt for suspend
  mfd: smsc-ece1099: Remove driver
  mfd: core: Add OF_MFD_CELL_REG() helper
  ...
2020-08-15 08:09:38 -07:00
David S. Miller
10a3b7c1c3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2020-08-15

The following pull-request contains BPF updates for your *net* tree.

We've added 23 non-merge commits during the last 4 day(s) which contain
a total of 32 files changed, 421 insertions(+), 141 deletions(-).

The main changes are:

1) Fix sock_ops ctx access splat due to register override, from John Fastabend.

2) Batch of various fixes to libbpf, bpftool, and selftests when testing build
   in 32-bit mode, from Andrii Nakryiko.

3) Fix vmlinux.h generation on ARM by mapping GCC built-in types (__Poly*_t)
   to equivalent ones clang can work with, from Jean-Philippe Brucker.

4) Fix build_id lookup in bpf_get_stackid() helper by walking all NOTE ELF
   sections instead of just first, from Jiri Olsa.

5) Avoid use of __builtin_offsetof() in libbpf for CO-RE, from Yonghong Song.

6) Fix segfault in test_mmap due to inconsistent length params, from Jianlin Lv.

7) Don't override errno in libbpf when logging errors, from Toke Høiland-Jørgensen.

8) Fix v4_to_v6 sockaddr conversion in sk_lookup test, from Stanislav Fomichev.

9) Add link to bpf-helpers(7) man page to BPF doc, from Joe Stringer.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-14 17:12:23 -07:00
Nivedita Singhvi
b07e2a8613 docs: networking: bonding.rst resources section cleanup
Removed obsolete resources from bonding.rst doc:
   - bonding-devel@lists.sourceforge.net hasn't been used since 2008
   - admin interface is 404
   - Donald Becker's domain/content no longer online

Signed-off-by: Nivedita Singhvi <nivedita.singhvi@canonical.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-14 16:44:20 -07:00
Rafael J. Wysocki
f3db6de55e Merge branch 'pm-cpufreq'
* pm-cpufreq:
  cpufreq: intel_pstate: Implement passive mode with HWP enabled
2020-08-14 19:39:35 +02:00
Rob Herring
5f0b06da5c dt-bindings: Remove more cases of 'allOf' containing a '$ref'
Another wack-a-mole pass of killing off unnecessary 'allOf + $ref'
usage.

json-schema versions draft7 and earlier have a weird behavior in that
any keywords combined with a '$ref' are ignored (silently). The correct
form was to put a '$ref' under an 'allOf'. This behavior is now changed
in the 2019-09 json-schema spec and '$ref' can be mixed with other
keywords. The json-schema library doesn't yet support this, but the
tooling now does a fixup for this and either way works.

This has been a constant source of review comments, so let's change this
treewide so everyone copies the simpler syntax.

Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-14 09:28:52 -06:00
Rob Herring
f516fb704d dt-bindings: Whitespace clean-ups in schema files
Clean-up incorrect indentation, extra spaces, long lines, and missing
EOF newline in schema files. Most of the clean-ups are for list
indentation which should always be 2 spaces more than the preceding
keyword.

Found with yamllint (which I plan to integrate into the checks).

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-clk@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-spi@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-remoteproc@vger.kernel.org
Cc: linux-hwmon@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-mmc@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Cc: netdev@vger.kernel.org
Cc: linux-rtc@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-14 08:55:58 -06:00
Linus Torvalds
a1d21081a6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
 "Some merge window fallout, some longer term fixes:

   1) Handle headroom properly in lapbether and x25_asy drivers, from
      Xie He.

   2) Fetch MAC address from correct r8152 device node, from Thierry
      Reding.

   3) In the sw kTLS path we should allow MSG_CMSG_COMPAT in sendmsg,
      from Rouven Czerwinski.

   4) Correct fdputs in socket layer, from Miaohe Lin.

   5) Revert troublesome sockptr_t optimization, from Christoph Hellwig.

   6) Fix TCP TFO key reading on big endian, from Jason Baron.

   7) Missing CAP_NET_RAW check in nfc, from Qingyu Li.

   8) Fix inet fastreuse optimization with tproxy sockets, from Tim
      Froidcoeur.

   9) Fix 64-bit divide in new SFC driver, from Edward Cree.

  10) Add a tracepoint for prandom_u32 so that we can more easily
      perform usage analysis. From Eric Dumazet.

  11) Fix rwlock imbalance in AF_PACKET, from John Ogness"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (49 commits)
  net: openvswitch: introduce common code for flushing flows
  af_packet: TPACKET_V3: fix fill status rwlock imbalance
  random32: add a tracepoint for prandom_u32()
  Revert "ipv4: tunnel: fix compilation on ARCH=um"
  net: accept an empty mask in /sys/class/net/*/queues/rx-*/rps_cpus
  net: ethernet: stmmac: Disable hardware multicast filter
  net: stmmac: dwmac1000: provide multicast filter fallback
  ipv4: tunnel: fix compilation on ARCH=um
  vsock: fix potential null pointer dereference in vsock_poll()
  sfc: fix ef100 design-param checking
  net: initialize fastreuse on inet_inherit_port
  net: refactor bind_bucket fastreuse into helper
  net: phy: marvell10g: fix null pointer dereference
  net: Fix potential memory leak in proto_register()
  net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init
  ionic_lif: Use devm_kcalloc() in ionic_qcq_alloc()
  net/nfc/rawsock.c: add CAP_NET_RAW check.
  hinic: fix strncpy output truncated compile warnings
  drivers/net/wan/x25_asy: Added needed_headroom and a skb->len check
  net/tls: Fix kmap usage
  ...
2020-08-13 20:03:11 -07:00
Linus Torvalds
e764a1e323 Merge branch 'i2c/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:

 - bus recovery can now be given a pinctrl handle and the I2C core will
   do all the steps to switch to/from GPIO which can save quite some
   boilerplate code from drivers

 - "fallthrough" conversion

 - driver updates, mostly ID additions

* 'i2c/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (32 commits)
  i2c: iproc: fix race between client unreg and isr
  i2c: eg20t: use generic power management
  i2c: eg20t: Drop PCI wakeup calls from .suspend/.resume
  i2c: mediatek: Fix i2c_spec_values description
  i2c: mediatek: Add i2c compatible for MediaTek MT8192
  dt-bindings: i2c: update bindings for MT8192 SoC
  i2c: mediatek: Add access to more than 8GB dram in i2c driver
  i2c: mediatek: Add apdma sync in i2c driver
  i2c: i801: Add support for Intel Tiger Lake PCH-H
  i2c: i801: Add support for Intel Emmitsburg PCH
  i2c: bcm2835: Replace HTTP links with HTTPS ones
  Documentation: i2c: dev: 'block process call' is supported
  i2c: at91: Move to generic GPIO bus recovery
  i2c: core: treat EPROBE_DEFER when acquiring SCL/SDA GPIOs
  i2c: core: add generic I2C GPIO recovery
  dt-bindings: i2c: add generic properties for GPIO bus recovery
  i2c: rcar: avoid race when unregistering slave
  i2c: tegra: Avoid tegra_i2c_init_dma() for Tegra210 vi i2c
  i2c: tegra: Fix runtime resume to re-init VI I2C
  i2c: tegra: Fix the error path in tegra_i2c_runtime_resume
  ...
2020-08-13 18:41:00 -07:00
Linus Torvalds
dddcbc139e A handful of obvious fixes that wandered in during the merge window.
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Merge tag 'docs-5.9-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of obvious fixes that wandered in during the merge window"

* tag 'docs-5.9-2' of git://git.lwn.net/linux:
  Documentation/locking/locktypes: fix the typo
  doc/zh_CN: resolve undefined label warning in admin-guide index
  doc/zh_CN: fix title heading markup in admin-guide cpu-load
  docs: remove the 2.6 "Upgrading I2C Drivers" guide
  docs: Correct the release date of 5.2 stable
  mailmap: Update comments for with format and more detalis
  docs: cdrom: Fix a typo and rst markup
  Doc: admin-guide: use correct legends in kernel-parameters.txt
  Documentation/features: refresh RISC-V arch support files
  documentation: coccinelle: Improve command example for make C={1,2}
  Core-api: Documentation: Replace deprecated :c:func: Usage
  Dev-tools: Documentation: Replace deprecated :c:func: Usage
  Filesystems: Documentation: Replace deprecated :c:func: Usage
  docs: trace: fix a typo
2020-08-13 13:57:45 -07:00
Joe Stringer
a62f68c172 doc: Add link to bpf helpers man page
The bpf-helpers(7) man pages provide an invaluable description of the
functions that an eBPF program can call at runtime. Link them here.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200813180807.2821735-1-joe@wand.net.nz
2020-08-13 22:48:06 +02:00
Huang Shijie
1edcd4675e Documentation/locking/locktypes: fix the typo
We have three categories locks, not two.

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20200813060220.18199-1-sjhuang@iluvatar.ai
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-08-13 14:47:38 -06:00
Alexander A. Klimov
4f4ed4543e mfd: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-08-13 07:50:59 +01:00
Fabio Estevam
a3f673d009 dt-bindings: mfd: st,stmfx: Remove I2C unit name
Remove the I2C unit name to fix the following build warning with
'make dt_binding_check':

Warning (unit_address_vs_reg): /example-0/i2c@0: node has a unit name, but no reg or ranges property

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-08-13 07:49:46 +01:00
Roger Quadros
e9faaf056d dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller
Add DT binding schema for J721e system controller.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-08-13 07:49:44 +01:00
Michael Walle
7d2594cd1f mfd: smsc-ece1099: Remove driver
This MFD driver has no user. The keypad driver of this device never made
it into the kernel. Therefore, this driver is useless. Remove it.

Signed-off-by: Michael Walle <michael@walle.cc>
Cc: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-08-13 07:49:40 +01:00
Linus Torvalds
dc06fe51d2 RTC for 5.9
Drivers:
  - ds1374: use watchdog core
  - pcf2127: add alarm and pcf2129 support
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Merge tag 'rtc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Not much this cycle - mostly non urgent driver fixes:

   - ds1374: use watchdog core

   - pcf2127: add alarm and pcf2129 support"

* tag 'rtc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: pcf2127: fix alarm handling
  rtc: pcf2127: add alarm support
  rtc: pcf2127: add pca2129 device id
  rtc: max77686: Fix wake-ups for max77620
  rtc: ds1307: provide an indication that the watchdog has fired
  rtc: ds1374: remove unused define
  rtc: ds1374: fix RTC_DRV_DS1374_WDT dependencies
  rtc: cleanup obsolete comment about struct rtc_class_ops
  rtc: pl031: fix set_alarm by adding back call to alarm_irq_enable
  rtc: ds1374: wdt: Use watchdog core for watchdog part
  rtc: Replace HTTP links with HTTPS ones
  rtc: goldfish: Enable interrupt in set_alarm() when necessary
  rtc: max77686: Do not allow interrupt to fire before system resume
  rtc: imxdi: fix trivial typos
  rtc: cpcap: fix range
2020-08-12 17:17:00 -07:00
Linus Torvalds
8cd84b7096 PPC:
* Improvements and bugfixes for secure VM support, giving reduced startup
   time and memory hotplug support.
 * Locking fixes in nested KVM code
 * Increase number of guests supported by HV KVM to 4094
 * Preliminary POWER10 support
 
 ARM:
 * Split the VHE and nVHE hypervisor code bases, build the EL2 code
   separately, allowing for the VHE code to now be built with instrumentation
 * Level-based TLB invalidation support
 * Restructure of the vcpu register storage to accomodate the NV code
 * Pointer Authentication available for guests on nVHE hosts
 * Simplification of the system register table parsing
 * MMU cleanups and fixes
 * A number of post-32bit cleanups and other fixes
 
 MIPS:
 * compilation fixes
 
 x86:
 * bugfixes
 * support for the SERIALIZE instruction
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more KVM updates from Paolo Bonzini:
 "PPC:
   - Improvements and bugfixes for secure VM support, giving reduced
     startup time and memory hotplug support.

   - Locking fixes in nested KVM code

   - Increase number of guests supported by HV KVM to 4094

   - Preliminary POWER10 support

  ARM:
   - Split the VHE and nVHE hypervisor code bases, build the EL2 code
     separately, allowing for the VHE code to now be built with
     instrumentation

   - Level-based TLB invalidation support

   - Restructure of the vcpu register storage to accomodate the NV code

   - Pointer Authentication available for guests on nVHE hosts

   - Simplification of the system register table parsing

   - MMU cleanups and fixes

   - A number of post-32bit cleanups and other fixes

  MIPS:
   - compilation fixes

  x86:
   - bugfixes

   - support for the SERIALIZE instruction"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (70 commits)
  KVM: MIPS/VZ: Fix build error caused by 'kvm_run' cleanup
  x86/kvm/hyper-v: Synic default SCONTROL MSR needs to be enabled
  MIPS: KVM: Convert a fallthrough comment to fallthrough
  MIPS: VZ: Only include loongson_regs.h for CPU_LOONGSON64
  x86: Expose SERIALIZE for supported cpuid
  KVM: x86: Don't attempt to load PDPTRs when 64-bit mode is enabled
  KVM: arm64: Move S1PTW S2 fault logic out of io_mem_abort()
  KVM: arm64: Don't skip cache maintenance for read-only memslots
  KVM: arm64: Handle data and instruction external aborts the same way
  KVM: arm64: Rename kvm_vcpu_dabt_isextabt()
  KVM: arm: Add trace name for ARM_NISV
  KVM: arm64: Ensure that all nVHE hyp code is in .hyp.text
  KVM: arm64: Substitute RANDOMIZE_BASE for HARDEN_EL2_VECTORS
  KVM: arm64: Make nVHE ASLR conditional on RANDOMIZE_BASE
  KVM: PPC: Book3S HV: Rework secure mem slot dropping
  KVM: PPC: Book3S HV: Move kvmppc_svm_page_out up
  KVM: PPC: Book3S HV: Migrate hot plugged memory
  KVM: PPC: Book3S HV: In H_SVM_INIT_DONE, migrate remaining normal-GFNs to secure-GFNs
  KVM: PPC: Book3S HV: Track the state GFNs associated with secure VMs
  KVM: PPC: Book3S HV: Disable page merging in H_SVM_INIT_START
  ...
2020-08-12 12:25:06 -07:00