Commit Graph

16845 Commits

Author SHA1 Message Date
Nuno Sa
cbc29538db hwmon: Add driver for LTC4282
The LTC4282 hot swap controller allows a board to be safely inserted and
removed from a live backplane. Using one or more external N-channel pass
transistors, board supply voltage and inrush current are ramped up at an
adjustable rate. An I2C interface and onboard ADC allows for monitoring
of board current, voltage, power, energy and fault status.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240129-b4-ltc4282-support-v4-3-fe75798164cc@analog.com
[groeck: clamp value range in ltc4282_write_voltage_byte_cached()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-02-25 12:37:10 -08:00
Nuno Sa
d07c41eb96 dt-bindings: hwmon: Add LTC4282 bindings
Add bindings for the LTC4282 High Current Hot Swap Controller with I2C
Compatible Monitoring.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240129-b4-ltc4282-support-v4-1-fe75798164cc@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-02-11 13:43:09 -08:00
Guenter Roeck
3317f2385f MAINTAINERS: Drop entries for hwmon devices with unreachable maintainers
Drop maintainer entries for MAX31760 and MAX31827 since the e-mail
addresses of their maintainers is no longer reachable and there is
no known alternative means to contact them.

HWMON drivers have a subsystem maintainer, so individual maintainer
entries are not mandatory.

Reported-by: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-02-11 13:43:08 -08:00
Linus Torvalds
7521f258ea 21 hotfixes. 12 are cc:stable and the remainder pertain to post-6.7
issues or aren't considered to be needed in earlier kernel versions.
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Merge tag 'mm-hotfixes-stable-2024-02-10-11-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "21 hotfixes. 12 are cc:stable and the remainder pertain to post-6.7
  issues or aren't considered to be needed in earlier kernel versions"

* tag 'mm-hotfixes-stable-2024-02-10-11-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
  nilfs2: fix potential bug in end_buffer_async_write
  mm/damon/sysfs-schemes: fix wrong DAMOS tried regions update timeout setup
  nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()
  MAINTAINERS: Leo Yan has moved
  mm/zswap: don't return LRU_SKIP if we have dropped lru lock
  fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super
  mailmap: switch email address for John Moon
  mm: zswap: fix objcg use-after-free in entry destruction
  mm/madvise: don't forget to leave lazy MMU mode in madvise_cold_or_pageout_pte_range()
  arch/arm/mm: fix major fault accounting when retrying under per-VMA lock
  selftests: core: include linux/close_range.h for CLOSE_RANGE_* macros
  mm/memory-failure: fix crash in split_huge_page_to_list from soft_offline_page
  mm: memcg: optimize parent iteration in memcg_rstat_updated()
  nilfs2: fix data corruption in dsync block recovery for small block sizes
  mm/userfaultfd: UFFDIO_MOVE implementation should use ptep_get()
  exit: wait_task_zombie: kill the no longer necessary spin_lock_irq(siglock)
  fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats
  fs/proc: do_task_stat: move thread_group_cputime_adjusted() outside of lock_task_sighand()
  getrusage: use sig->stats_lock rather than lock_task_sighand()
  getrusage: move thread_group_cputime_adjusted() outside of lock_task_sighand()
  ...
2024-02-10 15:28:07 -08:00
Linus Torvalds
c76b766ec5 drm fixes for 6.8-rc4
i915:
 - gvt: docs fix, uninit var, MAINTAINERS
 
 ivpu:
 - add aborted job status
 - disable d3 hot delay
 - mmu fixes
 
 nouveau:
 - fix gsp rpc size request
 - fix dma buffer leaks
 - use common code for gsp mem ctor
 
 xe:
 - Fix a loop in an error path
 - Fix a missing dma-fence reference
 - Fix a retry path on userptr REMAP
 - Workaround for a false gcc warning
 - Fix missing map of the usm batch buffer
   in the migrate vm.
 - Fix a memory leak.
 - Fix a bad assumption of used page size
 - Fix hitting a BUG() due to zero pages to map.
 - Remove some leftover async bind queue relics
 
 amdgpu:
 - Misc NULL/bounds check fixes
 - ODM pipe policy fix
 - Aborted suspend fixes
 - JPEG 4.0.5 fix
 - DCN 3.5 fixes
 - PSP fix
 - DP MST fix
 - Phantom pipe fix
 - VRAM vendor fix
 - Clang fix
 - SR-IOV fix
 
 msm:
 - DPU:
 - fix for kernel doc warnings and smatch warnings in dpu_encoder
 - fix for smatch warning in dpu_encoder
 - fix the bus bandwidth value for SDM670
 - DP:
 - fixes to handle unknown bpc case correctly for DP
 - fix for MISC0 programming
 - GPU:
 - dmabuf vmap fix
 - a610 UBWC corruption fix (incorrect hbb)
 - revert a commit that was making GPU recovery unreliable
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Merge tag 'drm-fixes-2024-02-09' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular weekly fixes, xe, amdgpu and msm are most of them, with some
  misc in i915, ivpu and nouveau, scattered but nothing too intense at
  this point.

  i915:
   - gvt: docs fix, uninit var, MAINTAINERS

  ivpu:
   - add aborted job status
   - disable d3 hot delay
   - mmu fixes

  nouveau:
   - fix gsp rpc size request
   - fix dma buffer leaks
   - use common code for gsp mem ctor

  xe:
   - Fix a loop in an error path
   - Fix a missing dma-fence reference
   - Fix a retry path on userptr REMAP
   - Workaround for a false gcc warning
   - Fix missing map of the usm batch buffer in the migrate vm.
   - Fix a memory leak.
   - Fix a bad assumption of used page size
   - Fix hitting a BUG() due to zero pages to map.
   - Remove some leftover async bind queue relics

  amdgpu:
   - Misc NULL/bounds check fixes
   - ODM pipe policy fix
   - Aborted suspend fixes
   - JPEG 4.0.5 fix
   - DCN 3.5 fixes
   - PSP fix
   - DP MST fix
   - Phantom pipe fix
   - VRAM vendor fix
   - Clang fix
   - SR-IOV fix

  msm:
   - DPU:
      - fix for kernel doc warnings and smatch warnings in dpu_encoder
      - fix for smatch warning in dpu_encoder
      - fix the bus bandwidth value for SDM670
   - DP:
      - fixes to handle unknown bpc case correctly for DP
      - fix for MISC0 programming
   - GPU:
      - dmabuf vmap fix
      - a610 UBWC corruption fix (incorrect hbb)
      - revert a commit that was making GPU recovery unreliable"

* tag 'drm-fixes-2024-02-09' of git://anongit.freedesktop.org/drm/drm: (43 commits)
  drm/xe: Remove TEST_VM_ASYNC_OPS_ERROR
  drm/xe/vm: don't ignore error when in_kthread
  drm/xe: Assume large page size if VMA not yet bound
  drm/xe/display: Fix memleak in display initialization
  drm/xe: Map both mem.kernel_bb_pool and usm.bb_pool
  drm/xe: circumvent bogus stringop-overflow warning
  drm/xe: Pick correct userptr VMA to repin on REMAP op failure
  drm/xe: Take a reference in xe_exec_queue_last_fence_get()
  drm/xe: Fix loop in vm_bind_ioctl_ops_unwind
  drm/amdgpu: Fix HDP flush for VFs on nbio v7.9
  drm/amd/display: Implement bounds check for stream encoder creation in DCN301
  drm/amd/display: Increase frame-larger-than for all display_mode_vba files
  drm/amd/display: Clear phantom stream count and plane count
  drm/amdgpu: Avoid fetching VRAM vendor info
  drm/amd/display: Disable ODM by default for DCN35
  drm/amd/display: Update phantom pipe enable / disable sequence
  drm/amd/display: Fix MST Null Ptr for RV
  drm/amdgpu: Fix shared buff copy to user
  drm/amd/display: Increase eval/entry delay for DCN35
  drm/amdgpu: remove asymmetrical irq disabling in jpeg 4.0.5 suspend
  ...
2024-02-09 09:57:12 -08:00
Linus Torvalds
1f719a2f3f Including fixes from WiFi and netfilter.
Current release - regressions:
 
   - nic: intel: fix old compiler regressions
 
   - netfilter: ipset: missing gc cancellations fixed
 
 Current release - new code bugs:
 
   - netfilter: ctnetlink: fix filtering for zone 0
 
 Previous releases - regressions:
 
   - core: fix from address in memcpy_to_iter_csum()
 
   - netfilter: nfnetlink_queue: un-break NF_REPEAT
 
   - af_unix: fix memory leak for dead unix_(sk)->oob_skb in GC.
 
   - devlink: avoid potential loop in devlink_rel_nested_in_notify_work()
 
   - iwlwifi:
     - mvm: fix a battery life regression
     - fix double-free bug
 
   - mac80211: fix waiting for beacons logic
 
   - nic: nfp: flower: prevent re-adding mac index for bonded port
 
 Previous releases - always broken:
 
   - rxrpc: fix generation of serial numbers to skip zero
 
   - tipc: check the bearer type before calling tipc_udp_nl_bearer_add()
 
   - tunnels: fix out of bounds access when building IPv6 PMTU error
 
   - nic: hv_netvsc: register VF in netvsc_probe if NET_DEVICE_REGISTER missed
 
   - nic: atlantic: fix DMA mapping for PTP hwts ring
 
 Misc:
 
   - selftests: more fixes to deal with very slow hosts
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from WiFi and netfilter.

  Current release - regressions:

   - nic: intel: fix old compiler regressions

   - netfilter: ipset: missing gc cancellations fixed

  Current release - new code bugs:

   - netfilter: ctnetlink: fix filtering for zone 0

  Previous releases - regressions:

   - core: fix from address in memcpy_to_iter_csum()

   - netfilter: nfnetlink_queue: un-break NF_REPEAT

   - af_unix: fix memory leak for dead unix_(sk)->oob_skb in GC.

   - devlink: avoid potential loop in devlink_rel_nested_in_notify_work()

   - iwlwifi:
       - mvm: fix a battery life regression
       - fix double-free bug

   - mac80211: fix waiting for beacons logic

   - nic: nfp: flower: prevent re-adding mac index for bonded port

  Previous releases - always broken:

   - rxrpc: fix generation of serial numbers to skip zero

   - tipc: check the bearer type before calling tipc_udp_nl_bearer_add()

   - tunnels: fix out of bounds access when building IPv6 PMTU error

   - nic: hv_netvsc: register VF in netvsc_probe if NET_DEVICE_REGISTER
     missed

   - nic: atlantic: fix DMA mapping for PTP hwts ring

  Misc:

   - selftests: more fixes to deal with very slow hosts"

* tag 'net-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (80 commits)
  netfilter: nft_set_pipapo: remove scratch_aligned pointer
  netfilter: nft_set_pipapo: add helper to release pcpu scratch area
  netfilter: nft_set_pipapo: store index in scratch maps
  netfilter: nft_set_rbtree: skip end interval element from gc
  netfilter: nfnetlink_queue: un-break NF_REPEAT
  netfilter: nf_tables: use timestamp to check for set element timeout
  netfilter: nft_ct: reject direction for ct id
  netfilter: ctnetlink: fix filtering for zone 0
  s390/qeth: Fix potential loss of L3-IP@ in case of network issues
  netfilter: ipset: Missing gc cancellations fixed
  octeontx2-af: Initialize maps.
  net: ethernet: ti: cpsw: enable mac_managed_pm to fix mdio
  net: ethernet: ti: cpsw_new: enable mac_managed_pm to fix mdio
  netfilter: nft_set_pipapo: remove static in nft_pipapo_get()
  netfilter: nft_compat: restrict match/target protocol to u16
  netfilter: nft_compat: reject unused compat flag
  netfilter: nft_compat: narrow down revision to unsigned 8-bits
  net: intel: fix old compiler regressions
  MAINTAINERS: Maintainer change for rds
  selftests: cmsg_ipv6: repeat the exact packet
  ...
2024-02-08 15:09:29 -08:00
Leo Yan
6f1f15a5e4 MAINTAINERS: Leo Yan has moved
I will lose access to my @linaro.org email address next week, update the
MAINTAINERS file and map it in .mailmap with the new email address.

Link: https://lkml.kernel.org/r/20240201021022.886-1-leo.yan@linux.dev
Signed-off-by: Leo Yan <leo.yan@linux.dev>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-07 21:20:36 -08:00
Jakub Kicinski
335bac1daa wireless fixes for v6.8-rc4
This time we have unusually large wireless pull request. Several
 functionality fixes to both stack and iwlwifi. Lots of fixes to
 warnings, especially to MODULE_DESCRIPTION().
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Merge tag 'wireless-2024-02-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Kalle Valo says:

====================
wireless fixes for v6.8-rc4

This time we have unusually large wireless pull request. Several
functionality fixes to both stack and iwlwifi. Lots of fixes to
warnings, especially to MODULE_DESCRIPTION().

* tag 'wireless-2024-02-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: (31 commits)
  wifi: mt76: mt7996: fix fortify warning
  wifi: brcmfmac: Adjust n_channels usage for __counted_by
  wifi: iwlwifi: do not announce EPCS support
  wifi: iwlwifi: exit eSR only after the FW does
  wifi: iwlwifi: mvm: fix a battery life regression
  wifi: mac80211: accept broadcast probe responses on 6 GHz
  wifi: mac80211: adding missing drv_mgd_complete_tx() call
  wifi: mac80211: fix waiting for beacons logic
  wifi: mac80211: fix unsolicited broadcast probe config
  wifi: mac80211: initialize SMPS mode correctly
  wifi: mac80211: fix driver debugfs for vif type change
  wifi: mac80211: set station RX-NSS on reconfig
  wifi: mac80211: fix RCU use in TDLS fast-xmit
  wifi: mac80211: improve CSA/ECSA connection refusal
  wifi: cfg80211: detect stuck ECSA element in probe resp
  wifi: iwlwifi: remove extra kernel-doc
  wifi: fill in MODULE_DESCRIPTION()s for mt76 drivers
  wifi: fill in MODULE_DESCRIPTION()s for wilc1000
  wifi: fill in MODULE_DESCRIPTION()s for wl18xx
  wifi: fill in MODULE_DESCRIPTION()s for p54spi
  ...
====================

Link: https://lore.kernel.org/r/20240206095722.CD9D2C433F1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-02-07 10:34:51 -08:00
Allison Henderson
5001bfe927 MAINTAINERS: Maintainer change for rds
At this point, Santosh has moved onto other things and I am happy
to take over the role of rds maintainer. Update the MAINTAINERS
accordingly.

Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Link: https://lore.kernel.org/r/20240205190343.112436-1-allison.henderson@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-02-07 09:05:46 -08:00
Joonas Lahtinen
a99682e839 Merge tag 'gvt-fixes-2024-02-05' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2024-02-05

- Fix broken gvt doc link (Zhenyu)
- Fix one uninitialized variable bug in warning (Dan)
- Update Zhi's new email address in MAINTAINERS file. (Zhi)

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZcBULqJAL2CWJoHh@debian-scheme
2024-02-05 15:56:47 +02:00
Zhi Wang
44e4192f88 MAINTAINERS: Update Zhi Wang's email address
Update my email address to zhi.wang.linux@gmail.com.

CC: Zhenyu Wang <zhenyuw@linux.intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhi Wang <zhi.wang.linux@gmail.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20240130212743.7727-1-zhi.wang.linux@gmail.com
2024-02-05 11:16:26 +08:00
Zhenyu Wang
1a00897e5e drm/i915: Replace dead 01.org link
01.org is dead so replace old gvt link with current wiki page.

Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Zhi Wang <zhi.wang.linux@gmail.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20230804040544.1972958-1-zhenyuw@linux.intel.com
2024-02-05 11:15:26 +08:00
Linus Torvalds
bdda52cc66 MAINTAINERS update to point people to the new tree for i2c host driver
changes
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Merge tag 'i2c-for-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixlet from Wolfram Sang:
 "MAINTAINERS update to point people to the new tree for i2c host driver
  changes"

* tag 'i2c-for-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: Update i2c host drivers repository
2024-02-04 06:47:45 +00:00
Linus Torvalds
b1dd6c26bc pci-v6.8-fixes-1
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Merge tag 'pci-v6.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Fix a potential deadlock that was reintroduced by an ASPM revert
   merged for v6.8 (Johan Hovold)

 - Add Manivannan Sadhasivam as PCI Endpoint maintainer (Lorenzo
   Pieralisi)

* tag 'pci-v6.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Add Manivannan Sadhasivam as PCI Endpoint maintainer
  PCI/ASPM: Fix deadlock when enabling ASPM
2024-02-02 12:56:56 -08:00
Linus Torvalds
41b9fb381a Including fixes from netfilter.
As Paolo promised we continue to hammer out issues in our selftests.
 This is not the end but probably the peak.
 
 Current release - regressions:
 
  - smc: fix incorrect SMC-D link group matching logic
 
 Current release - new code bugs:
 
  - eth: bnxt: silence WARN() when device skips a timestamp, it happens
 
 Previous releases - regressions:
 
  - ipmr: fix null-deref when forwarding mcast packets
 
  - conntrack: evaluate window negotiation only for packets in the REPLY
    direction, otherwise SYN retransmissions trigger incorrect window
    scale negotiation
 
  - ipset: fix performance regression in swap operation
 
 Previous releases - always broken:
 
  - tcp: add sanity checks to types of pages getting into
    the rx zerocopy path, we only support basic NIC -> user,
    no page cache pages etc.
 
  - ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()
 
  - nt_tables: more input sanitization changes
 
  - dsa: mt7530: fix 10M/100M speed on MediaTek MT7988 switch
 
  - bridge: mcast: fix loss of snooping after long uptime,
    jiffies do wrap on 32bit
 
  - xen-netback: properly sync TX responses, protect with locking
 
  - phy: mediatek-ge-soc: sync calibration values with MediaTek SDK,
    increase connection stability
 
  - eth: pds: fixes for various teardown, and reset races
 
 Misc:
 
  - hsr: silence WARN() if we can't alloc supervision frame, it happens
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  As Paolo promised we continue to hammer out issues in our selftests.
  This is not the end but probably the peak.

  Current release - regressions:

   - smc: fix incorrect SMC-D link group matching logic

  Current release - new code bugs:

   - eth: bnxt: silence WARN() when device skips a timestamp, it happens

  Previous releases - regressions:

   - ipmr: fix null-deref when forwarding mcast packets

   - conntrack: evaluate window negotiation only for packets in the
     REPLY direction, otherwise SYN retransmissions trigger incorrect
     window scale negotiation

   - ipset: fix performance regression in swap operation

  Previous releases - always broken:

   - tcp: add sanity checks to types of pages getting into the rx
     zerocopy path, we only support basic NIC -> user, no page cache
     pages etc.

   - ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()

   - nt_tables: more input sanitization changes

   - dsa: mt7530: fix 10M/100M speed on MediaTek MT7988 switch

   - bridge: mcast: fix loss of snooping after long uptime, jiffies do
     wrap on 32bit

   - xen-netback: properly sync TX responses, protect with locking

   - phy: mediatek-ge-soc: sync calibration values with MediaTek SDK,
     increase connection stability

   - eth: pds: fixes for various teardown, and reset races

  Misc:

   - hsr: silence WARN() if we can't alloc supervision frame, it
     happens"

* tag 'net-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits)
  doc/netlink/specs: Add missing attr in rt_link spec
  idpf: avoid compiler padding in virtchnl2_ptype struct
  selftests: mptcp: join: stop transfer when check is done (part 2)
  selftests: mptcp: join: stop transfer when check is done (part 1)
  selftests: mptcp: allow changing subtests prefix
  selftests: mptcp: decrease BW in simult flows
  selftests: mptcp: increase timeout to 30 min
  selftests: mptcp: add missing kconfig for NF Mangle
  selftests: mptcp: add missing kconfig for NF Filter in v6
  selftests: mptcp: add missing kconfig for NF Filter
  mptcp: fix data re-injection from stale subflow
  selftests: net: enable some more knobs
  selftests: net: add missing config for NF_TARGET_TTL
  selftests: forwarding: List helper scripts in TEST_FILES Makefile variable
  selftests: net: List helper scripts in TEST_FILES Makefile variable
  selftests: net: Remove executable bits from library scripts
  selftests: bonding: Check initial state
  selftests: team: Add missing config options
  hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove
  xen-netback: properly sync TX responses
  ...
2024-02-01 12:39:54 -08:00
Andrew Halaney
e028243003 MAINTAINERS: Drop unreachable reviewer for Qualcomm ETHQOS ethernet driver
Bhupesh's email responds indicating they've changed employers and with
no new contact information. Let's drop the line from MAINTAINERS to
avoid getting the same response over and over.

Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20240129-remove-dwmac-qcom-ethqos-reviewer-v1-1-2645eab61451@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-31 15:39:45 -08:00
Linus Torvalds
6764c317b6 SCSI fixes on 20240131
6 small fixes.  5 are obvious and in drivers the fifth is a core fix
 to remove the host lock acquisition and release, caused by a dynamic
 check of host_busy, in the error handling loop which has been reported
 to cause lockups.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Six small fixes. Five are obvious and in drivers. The last one is a
  core fix to remove the host lock acquisition and release, caused by a
  dynamic check of host_busy, in the error handling loop which has been
  reported to cause lockups"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: storvsc: Fix ring buffer size calculation
  scsi: core: Move scsi_host_busy() out of host lock for waking up EH handler
  scsi: MAINTAINERS: Update ibmvscsi_tgt maintainer
  scsi: initio: Remove redundant variable 'rb'
  scsi: virtio_scsi: Remove duplicate check if queue is broken
  scsi: isci: Fix an error code problem in isci_io_request_build()
2024-01-31 10:12:03 -08:00
Andi Shyti
9189526c46 MAINTAINERS: Update i2c host drivers repository
The i2c host patches are now set to be merged into the following
repository:

git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git

Cc: Wolfram Sang <wsa@kernel.org>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
2024-01-31 16:05:07 +01:00
Lorenzo Pieralisi
925bd5e081 MAINTAINERS: Add Manivannan Sadhasivam as PCI Endpoint maintainer
The PCI endpoint subsystem is evolving at a rate I cannot keep up with,
therefore I am standing down as a maintainer handing over to Manivannan
(currently reviewer for this code) and Krzysztof who are doing an excellent
job on the matter - they don't need my help any longer.

Link: https://lore.kernel.org/r/20240129165933.33428-1-lpieralisi@kernel.org
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Krzysztof Wilczyński <kw@linux.com>
2024-01-31 09:04:10 -06:00
Linus Torvalds
2a6526c4f3 linux_kselftest-kunit-fixes-6.8-rc3
This kunit fixes update for Linux 6.8-rc3 consists of NULL vs IS_ERR()
 bug fixes, documentation update, MAINTAINERS file update to add
 Rae Moar as a reviewer, and a fix to run test suites only after module
 initialization completes.
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Merge tag 'linux_kselftest-kunit-fixes-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit fixes from Shuah Khan:
 "NULL vs IS_ERR() bug fixes, documentation update, MAINTAINERS file
  update to add Rae Moar as a reviewer, and a fix to run test suites
  only after module initialization completes"

* tag 'linux_kselftest-kunit-fixes-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  Documentation: KUnit: Update the instructions on how to test static functions
  kunit: run test suites only after module initialization completes
  MAINTAINERS: kunit: Add Rae Moar as a reviewer
  kunit: device: Fix a NULL vs IS_ERR() check in init()
  kunit: Fix a NULL vs IS_ERR() bug
2024-01-30 15:12:58 -08:00
Linus Torvalds
6f3d7d5ced 22 hotfixes. 11 are cc:stable and the remainder address post-6.7 issues
or aren't considered appropriate for backporting.
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Merge tag 'mm-hotfixes-stable-2024-01-28-23-21' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "22 hotfixes. 11 are cc:stable and the remainder address post-6.7
  issues or aren't considered appropriate for backporting"

* tag 'mm-hotfixes-stable-2024-01-28-23-21' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
  mm: thp_get_unmapped_area must honour topdown preference
  mm: huge_memory: don't force huge page alignment on 32 bit
  userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb
  selftests/mm: ksm_tests should only MADV_HUGEPAGE valid memory
  scs: add CONFIG_MMU dependency for vfree_atomic()
  mm/memory: fix folio_set_dirty() vs. folio_mark_dirty() in zap_pte_range()
  mm/huge_memory: fix folio_set_dirty() vs. folio_mark_dirty()
  selftests/mm: Update va_high_addr_switch.sh to check CPU for la57 flag
  selftests: mm: fix map_hugetlb failure on 64K page size systems
  MAINTAINERS: supplement of zswap maintainers update
  stackdepot: make fast paths lock-less again
  stackdepot: add stats counters exported via debugfs
  mm, kmsan: fix infinite recursion due to RCU critical section
  mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again
  selftests/mm: switch to bash from sh
  MAINTAINERS: add man-pages git trees
  mm: memcontrol: don't throttle dying tasks on memory.high
  mm: mmap: map MAP_STACK to VM_NOHUGEPAGE
  uprobes: use pagesize-aligned virtual address when replacing pages
  selftests/mm: mremap_test: fix build warning
  ...
2024-01-29 17:12:16 -08:00
Arend van Spriel
e4ad71e236 MAINTAINERS: wifi: brcm80211: cleanup entry
There has been some discussion about what is expected from
a maintainer and so a cleanup seems to be in order. A dedicated
mailing list has been created to discuss brcm80211 specific
development issues. Keeping the status as Supported although
help in maintaining this driver is welcomed.

Cc: brcm80211@lists.linux.dev
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126105724.384063-1-arend.vanspriel@broadcom.com
2024-01-29 18:27:58 +02:00
Linus Torvalds
8a696a29c6 platform-drivers-x86 for v6.8-2
Highlights:
  -  WMI bus driver fixes
  -  Second attempt (previously reverted) at P2SB PCI rescan deadlock fix
  -  AMD PMF driver improvements
  -  MAINTAINERS updates
  -  Misc. other small fixes and hw-id additions
 
 The following is an automated git shortlog grouped by driver:
 
 MAINTAINERS:
  -  remove defunct acpi4asus project info from asus notebooks section
  -  add Luke Jones as maintainer for asus notebooks
  -  Remove Perry Yuan as DELL WMI HARDWARE PRIVACY SUPPORT maintainer
 
 intel-uncore-freq:
  -  Fix types in sysfs callbacks
 
 intel-wmi-sbl-fw-update:
  -  Fix function name in error message
 
 p2sb:
  -  Use pci_resource_n() in p2sb_read_bar0()
  -  Allow p2sb_bar() calls during PCI device probe
 
 platform/mellanox:
  -  mlxbf-pmc: Fix offset calculation for crspace events
  -  mlxbf-tmfifo: Drop Tx network packet when Tx TmFIFO is full
 
 platform/x86/amd/pmf:
  -  Fix memory leak in amd_pmf_get_pb_data()
  -  Get ambient light information from AMD SFH driver
  -  Get Human presence information from AMD SFH driver
 
 platform/x86/intel/ifs:
  -  Call release_firmware() when handling errors.
 
 silicom-platform:
  -  Add missing "Description:" for power_cycle sysfs attr
 
 touchscreen_dmi:
  -  Add info for the TECLAST X16 Plus tablet
 
 wmi:
  -  Fix wmi_dev_probe()
  -  Fix notify callback locking
  -  Decouple legacy WMI notify handlers from wmi_block_list
  -  Return immediately if an suitable WMI event is found
  -  Fix error handling in legacy WMI notify handler functions
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Merge tag 'platform-drivers-x86-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - WMI bus driver fixes

 - Second attempt (previously reverted) at P2SB PCI rescan deadlock fix

 - AMD PMF driver improvements

 - MAINTAINERS updates

 - Misc other small fixes and hw-id additions

* tag 'platform-drivers-x86-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the TECLAST X16 Plus tablet
  platform/x86/intel/ifs: Call release_firmware() when handling errors.
  platform/x86/amd/pmf: Fix memory leak in amd_pmf_get_pb_data()
  platform/x86/amd/pmf: Get ambient light information from AMD SFH driver
  platform/x86/amd/pmf: Get Human presence information from AMD SFH driver
  platform/mellanox: mlxbf-pmc: Fix offset calculation for crspace events
  platform/mellanox: mlxbf-tmfifo: Drop Tx network packet when Tx TmFIFO is full
  MAINTAINERS: remove defunct acpi4asus project info from asus notebooks section
  MAINTAINERS: add Luke Jones as maintainer for asus notebooks
  MAINTAINERS: Remove Perry Yuan as DELL WMI HARDWARE PRIVACY SUPPORT maintainer
  platform/x86: silicom-platform: Add missing "Description:" for power_cycle sysfs attr
  platform/x86: intel-wmi-sbl-fw-update: Fix function name in error message
  platform/x86: p2sb: Use pci_resource_n() in p2sb_read_bar0()
  platform/x86: p2sb: Allow p2sb_bar() calls during PCI device probe
  platform/x86: intel-uncore-freq: Fix types in sysfs callbacks
  platform/x86: wmi: Fix wmi_dev_probe()
  platform/x86: wmi: Fix notify callback locking
  platform/x86: wmi: Decouple legacy WMI notify handlers from wmi_block_list
  platform/x86: wmi: Return immediately if an suitable WMI event is found
  platform/x86: wmi: Fix error handling in legacy WMI notify handler functions
2024-01-27 09:48:55 -08:00
Simon Horman
586e40aa88 MAINTAINERS: Add connector headers to NETWORKING DRIVERS
Commit 46cf789b68 ("connector: Move maintainence under networking
drivers umbrella.") moved the connector maintenance but did not include
the connector header files.

It seems that it has always been implied that these headers were
maintained along with the rest of the connector code, both before and
after the cited commit. Make this explicit.

Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-01-27 09:59:48 +00:00
Linus Torvalds
2047b0b275 asm-generic updates for 6.8, part 2
Just one patch this time, adding Andreas Larsson as co-maintainer
 for arch/sparc. He is volunteering to help since David Miller
 has become much less active over the past few years.
 
 In turn, I'm helping Andreas get set up as a new maintainer,
 starting with the entry in the MAINTAINERS file.
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Merge tag 'asm-generic-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic update from Arnd Bergmann:
 "Just one patch this time, adding Andreas Larsson as co-maintainer for
  arch/sparc. He is volunteering to help since David Miller has become
  much less active over the past few years.

  In turn, I'm helping Andreas get set up as a new maintainer, starting
  with the entry in the MAINTAINERS file"

* tag 'asm-generic-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  MAINTAINERS: Add Andreas Larsson as co-maintainer for arch/sparc
2024-01-26 13:22:59 -08:00
Andreas Larsson
61f61c89fa MAINTAINERS: Add Andreas Larsson as co-maintainer for arch/sparc
Dave has not been very active on arch/sparc for the past two years.
I have been contributing to the SPARC32 port as well as maintaining
out-of-tree SPARC32 patches for LEON3/4/5 (SPARCv8 with CAS support)
since 2012. I am willing to step up as an arch/sparc (co-)maintainer.

For recent discussions on the matter, see [1] and [2].

[1] https://lore.kernel.org/r/20230713075235.2164609-1-u.kleine-koenig@pengutronix.de
[2] https://lore.kernel.org/r/20231209105816.GA1085691@ravnborg.org/

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Acked-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-01-26 14:54:56 +01:00
Gregory Greenman
9b3058d1f4 MAINTAINERS: remove myself as iwlwifi driver maintainer
As I'm resigning from Intel, it's time to remove myself as a maintainer
of iwlwifi. Good luck to Miri!

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20240102122019.1689602-1-gregory.greenman@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-01-26 09:25:36 +01:00
Yosry Ahmed
0fe8ff51ef MAINTAINERS: supplement of zswap maintainers update
As discussed on the mailing list [1], merge the zpool maintainers entry
into the zswap one.  Also, add CREDITS entries for previous zswap/zpool
maintainers.

[1] https://lore.kernel.org/linux-mm/CAJD7tkYx4YWhGoVwnSeGc8dY_1aRRxxg8PzWBV==A6iqG_OgFw@mail.gmail.com/

Link: https://lkml.kernel.org/r/20240117182152.1439822-1-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Seth Jennings <sjenning@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25 23:52:21 -08:00
Petr Vorel
0d7e68c027 MAINTAINERS: add man-pages git trees
The maintainer uses both.

Link: https://lkml.kernel.org/r/20240117122257.2707637-1-pvorel@suse.cz
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Alejandro Colomar <alx@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25 23:52:20 -08:00
Linus Torvalds
a658e0e986 vfs-6.8-rc2.netfs
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Merge tag 'vfs-6.8-rc2.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull netfs fixes from Christian Brauner:
 "This contains various fixes for the netfs work merged earlier this
  cycle:

  afs:
   - Fix locking imbalance in afs_proc_addr_prefs_show()
   - Remove afs_dynroot_d_revalidate() which is redundant
   - Fix error handling during lookup
   - Hide sillyrenames from userspace. This fixes a race between
     silly-rename files being created/removed and userspace iterating
     over directory entries
   - Don't use unnecessary folio_*() functions

  cifs:
   - Don't use unnecessary folio_*() functions

  cachefiles:
   - erofs: Fix Null dereference when cachefiles are not doing
     ondemand-mode
   - Update mailing list

  netfs library:
   - Add Jeff Layton as reviewer
   - Update mailing list
   - Fix a error checking in netfs_perform_write()
   - fscache: Check error before dereferencing
   - Don't use unnecessary folio_*() functions"

* tag 'vfs-6.8-rc2.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  afs: Fix missing/incorrect unlocking of RCU read lock
  afs: Remove afs_dynroot_d_revalidate() as it is redundant
  afs: Fix error handling with lookup via FS.InlineBulkStatus
  afs: Hide silly-rename files from userspace
  cachefiles, erofs: Fix NULL deref in when cachefiles is not doing ondemand-mode
  netfs: Fix a NULL vs IS_ERR() check in netfs_perform_write()
  netfs, fscache: Prevent Oops in fscache_put_cache()
  cifs: Don't use certain unnecessary folio_*() functions
  afs: Don't use certain unnecessary folio_*() functions
  netfs: Don't use certain unnecessary folio_*() functions
  netfs: Add Jeff Layton as reviewer
  netfs, cachefiles: Change mailing list
2024-01-25 10:41:29 -08:00
Martin K. Petersen
52998cdd8d Merge branch '6.8/scsi-staging' into 6.8/scsi-fixes
Pull in staged fixes for 6.8.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-01-22 15:49:29 -05:00
Alexey Dobriyan
27daa514c4 ELF, MAINTAINERS: specifically mention ELF
People complain when I miss people in Cc.

[ kees: Also add the ELF uapi doc link ]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Link: https://lore.kernel.org/r/2cb0891e-d7c0-4939-bb5f-282812de6078@p183
Signed-off-by: Kees Cook <keescook@chromium.org>
2024-01-22 11:26:37 -08:00
David Gow
57e39086fb MAINTAINERS: kunit: Add Rae Moar as a reviewer
Rae has been shouldering a lot of the KUnit review burden for the last
year, and will continue to do so in the future. Thanks!

Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-01-22 07:58:39 -07:00
David Howells
d59da02d1a
netfs: Add Jeff Layton as reviewer
Add Jeff Layton as a reviewer in the MAINTAINERS file.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240122115007.3820330-3-dhowells@redhat.com
Acked-by: Jeff Layton <jlayton@kernel.org>
cc:  <netfs@lists.linux.dev>
cc:  <linux-fsdevel@vger.kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-01-22 15:34:27 +01:00
David Howells
3c18703079
netfs, cachefiles: Change mailing list
The publicly accessible archives for Red Hat mailing lists stop at Oct
2023; messages sent after that time are in internal-only archives.

Change the netfs and cachefiles mailing list to one that has publicly
accessible archives:

	netfs@lists.linux.dev

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240122115007.3820330-2-dhowells@redhat.com
cc: Jeff Layton <jlayton@kernel.org>
cc: Matthew Wilcox <willy@infradead.org>
cc:  <netfs@lists.linux.dev>
cc:  <linux-cachefs@redhat.com>
cc:  <v9fs@lists.linux.dev>
cc:  <linux-afs@lists.infradead.org>
cc:  <ceph-devel@vger.kernel.org>
cc:  <linux-cifs@vger.kernel.org>
cc:  <linux-erofs@lists.ozlabs.org>
cc:  <linux-nfs@vger.kernel.org>
cc:  <linux-fsdevel@vger.kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-01-22 15:34:27 +01:00
Hans de Goede
8530ecaf35 MAINTAINERS: remove defunct acpi4asus project info from asus notebooks section
The acpi4asus project appears to be defunct, according to:
https://sourceforge.net/p/acpi4asus/mailman/acpi4asus-user/
the last posts to the list were done in May 2020 and even then
they were mostly spam.

And the http://acpi4asus.sf.net website still talks about 2.6.x kernels.

Drop the defunct mailing-list and update the W: entry to point to
the new up2date https://asus-linux.org/ site.

Cc: Corentin Chary <corentin.chary@gmail.com>
Cc: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-01-22 11:37:28 +01:00
Luke D. Jones
20fe5e9be4 MAINTAINERS: add Luke Jones as maintainer for asus notebooks
Add myself as maintainer for "ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS
DRIVERS" as suggested by Hans de Goede based on my history of
contributions.

Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240115211829.48251-1-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-01-22 11:37:28 +01:00
Heiner Kallweit
452c314988 MAINTAINERS: Remove Perry Yuan as DELL WMI HARDWARE PRIVACY SUPPORT maintainer
Recent mails to his Dell address bounced with "user unknown".
So remove him as maintainer.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/c9757d0a-2046-464b-93e1-a2d9ab0ce36b@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-01-22 11:37:28 +01:00
Linus Torvalds
7a39682022 Various smb client fixes, including multichannel and for SMB3.1.1 POSIX extensions
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Merge tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:
 "Various smb client fixes, including multichannel and for SMB3.1.1
  POSIX extensions:

   - debugging improvement (display start time for stats)

   - two reparse point handling fixes

   - various multichannel improvements and fixes

   - SMB3.1.1 POSIX extensions open/create parsing fix

   - retry (reconnect) improvement including new retrans mount parm, and
     handling of two additional return codes that need to be retried on

   - two minor cleanup patches and another to remove duplicate query
     info code

   - two documentation cleanup, and one reviewer email correction"

* tag 'v6.8-rc-part2-smb-client' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update iface_last_update on each query-and-update
  cifs: handle servers that still advertise multichannel after disabling
  cifs: new mount option called retrans
  cifs: reschedule periodic query for server interfaces
  smb: client: don't clobber ->i_rdev from cached reparse points
  smb: client: get rid of smb311_posix_query_path_info()
  smb: client: parse owner/group when creating reparse points
  smb: client: fix parsing of SMB3.1.1 POSIX create context
  cifs: update known bugs mentioned in kernel docs for cifs
  cifs: new nt status codes from MS-SMB2
  cifs: pick channel for tcon and tdis
  cifs: open_cached_dir should not rely on primary channel
  smb3: minor documentation updates
  Update MAINTAINERS email address
  cifs: minor comment cleanup
  smb3: show beginning time for per share stats
  cifs: remove redundant variable tcon_exist
2024-01-20 16:48:07 -08:00
Linus Torvalds
65163d16fc dmaengine fixes for v6.8-rc1
Driver fixes for:
  - Xilinx xdma driver operator precedence and initialization fix
  - Excess kernel-doc warning fix in imx-sdma xilinx xdma drivers
  - format-overflow warning fix for rz-dmac, sh usb dmac drivers
  - 'output may be truncated' fix for shdma, fsl-qdma and dw-edma drivers
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Merge tag 'dmaengine-fix-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:
   - Loongson LS2X APB DMA controller
   - sf-pdma: mpfs-pdma support
   - Qualcomm X1E80100 GPI dma controller support

  Updates:
   - Xilinx XDMA updates to support interleaved DMA transfers
   - TI PSIL threads for AM62P and J722S and cfg register regions
     description
   - axi-dmac Improving the cyclic DMA transfers
   - Tegra Support dma-channel-mask property
   - Remaining platform remove callback returning void conversions

 Driver fixes for:
   - Xilinx xdma driver operator precedence and initialization fix
   - Excess kernel-doc warning fix in imx-sdma xilinx xdma drivers
   - format-overflow warning fix for rz-dmac, sh usb dmac drivers
   - 'output may be truncated' fix for shdma, fsl-qdma and dw-edma
     drivers"

* tag 'dmaengine-fix-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (58 commits)
  dmaengine: dw-edma: increase size of 'name' in debugfs code
  dmaengine: fsl-qdma: increase size of 'irq_name'
  dmaengine: shdma: increase size of 'dev_id'
  dmaengine: xilinx: xdma: Fix kernel-doc warnings
  dmaengine: usb-dmac: Avoid format-overflow warning
  dmaengine: sh: rz-dmac: Avoid format-overflow warning
  dmaengine: imx-sdma: fix Excess kernel-doc warnings
  dmaengine: xilinx: xdma: Fix initialization location of desc in xdma_channel_isr()
  dmaengine: xilinx: xdma: Fix operator precedence in xdma_prep_interleaved_dma()
  dmaengine: xilinx: xdma: statify xdma_prep_interleaved_dma
  dmaengine: xilinx: xdma: Workaround truncation compilation error
  dmaengine: pl330: issue_pending waits until WFP state
  dmaengine: xilinx: xdma: Implement interleaved DMA transfers
  dmaengine: xilinx: xdma: Prepare the introduction of interleaved DMA transfers
  dmaengine: xilinx: xdma: Add transfer error reporting
  dmaengine: xilinx: xdma: Add error checking in xdma_channel_isr()
  dmaengine: xilinx: xdma: Rework xdma_terminate_all()
  dmaengine: xilinx: xdma: Ease dma_pool alignment requirements
  dmaengine: xilinx: xdma: Add necessary macro definitions
  dmaengine: xilinx: xdma: Get rid of unused code
  ...
2024-01-20 15:03:25 -08:00
Linus Torvalds
9d64bf433c perf tools improvements and fixes for v6.8:
- Add Namhyung Kim as tools/perf/ co-maintainer, we're taking turns processing
   patches, switching roles from perf-tools to perf-tools-next at each Linux
   release.
 
 Data profiling:
 
 - Associate samples that identify loads and stores with data structures. This
   uses events available on Intel, AMD and others and DWARF info:
 
     # To get memory access samples in kernel for 1 second (on Intel)
     $ perf mem record -a -K --ldlat=4 -- sleep 1
 
     # Similar for the AMD (but it requires 6.3+ kernel for BPF filters)
     $ perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000' -- sleep 1
 
   Then, amongst several modes of post processing, one can do things like:
 
     $ perf report -s type,typeoff --hierarchy --group --stdio
     ...
     #
     # Samples: 10K of events 'cpu/mem-loads,ldlat=4/P, cpu/mem-stores/P, dummy:u'
     # Event count (approx.): 602758064
     #
     #                    Overhead  Data Type / Data Type Offset
     # ...........................  ............................
     #
         26.09%   3.28%   0.00%     long unsigned int
            26.09%   3.28%   0.00%     long unsigned int +0 (no field)
         18.48%   0.73%   0.00%     struct page
            10.83%   0.02%   0.00%     struct page +8 (lru.next)
             3.90%   0.28%   0.00%     struct page +0 (flags)
             3.45%   0.06%   0.00%     struct page +24 (mapping)
             0.25%   0.28%   0.00%     struct page +48 (_mapcount.counter)
             0.02%   0.06%   0.00%     struct page +32 (index)
             0.02%   0.00%   0.00%     struct page +52 (_refcount.counter)
             0.02%   0.01%   0.00%     struct page +56 (memcg_data)
             0.00%   0.01%   0.00%     struct page +16 (lru.prev)
         15.37%  17.54%   0.00%     (stack operation)
            15.37%  17.54%   0.00%     (stack operation) +0 (no field)
         11.71%  50.27%   0.00%     (unknown)
            11.71%  50.27%   0.00%     (unknown) +0 (no field)
 
     $ perf annotate --data-type
     ...
     Annotate type: 'struct cfs_rq' in [kernel.kallsyms] (13 samples):
     ============================================================================
         samples     offset       size  field
              13          0        640  struct cfs_rq         {
               2          0         16      struct load_weight       load {
               2          0          8          unsigned long        weight;
               0          8          4          u32  inv_weight;
                                            };
               0         16          8      unsigned long    runnable_weight;
               0         24          4      unsigned int     nr_running;
               1         28          4      unsigned int     h_nr_running;
     ...
 
     $ perf annotate --data-type=page --group
     Annotate type: 'struct page' in [kernel.kallsyms] (480 samples):
      event[0] = cpu/mem-loads,ldlat=4/P
      event[1] = cpu/mem-stores/P
      event[2] = dummy:u
     ===================================================================================
              samples  offset  size  field
     447  33        0       0    64  struct page     {
     108   8        0       0     8	 long unsigned int  flags;
     319  13        0       8    40	 union       {
     319  13        0       8    40          struct          {
     236   2        0       8    16              union       {
     236   2        0       8    16                  struct list_head       lru {
     236   1        0       8     8                      struct list_head*  next;
       0   1        0      16     8                      struct list_head*  prev;
                                                     };
     236   2        0       8    16                  struct          {
     236   1        0       8     8                      void*      __filler;
       0   1        0      16     4                      unsigned int       mlock_count;
                                                     };
     236   2        0       8    16                  struct list_head       buddy_list {
     236   1        0       8     8                      struct list_head*  next;
       0   1        0      16     8                      struct list_head*  prev;
                                                     };
     236   2        0       8    16                  struct list_head       pcp_list {
     236   1        0       8     8                      struct list_head*  next;
       0   1        0      16     8                      struct list_head*  prev;
                                                     };
                                                 };
      82   4        0      24     8              struct address_space*      mapping;
       1   7        0      32     8              union       {
       1   7        0      32     8                  long unsigned int      index;
       1   7        0      32     8                  long unsigned int      share;
                                                 };
       0   0        0      40     8              long unsigned int  private;
                                                               };
 
   This uses the existing annotate code, calling objdump to do the disassembly,
   with improvements to avoid having this take too long, but longer term a
   switch to a disassembler library, possibly reusing code in the kernel will
   be pursued.
 
   This is the initial implementation, please use it and report impressions and
   bugs. Make sure the kernel-debuginfo packages match the running kernel. The
   'perf report' phase for non short perf.data files may take a while.
 
   There is a great article about it on LWN:
 
   https://lwn.net/Articles/955709/ - "Data-type profiling for perf"
 
   One last test I did while writing this text, on a AMD Ryzen 5950X, using a distro
   kernel, while doing a simple 'find /' on an otherwise idle system resulted in:
 
   # uname -r
   6.6.9-100.fc38.x86_64
   # perf -vv | grep BPF_
                    bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
          bpf_skeletons: [ on  ]  # HAVE_BPF_SKEL
   # rpm -qa | grep kernel-debuginfo
   kernel-debuginfo-common-x86_64-6.6.9-100.fc38.x86_64
   kernel-debuginfo-6.6.9-100.fc38.x86_64
   #
   # perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000'
   ^C[ perf record: Woken up 1 times to write data ]
   [ perf record: Captured and wrote 2.199 MB perf.data (2913 samples) ]
   #
   # ls -la perf.data
   -rw-------. 1 root root 2346486 Jan  9 18:36 perf.data
   # perf evlist
   ibs_op//
   dummy:u
   # perf evlist -v
   ibs_op//: type: 11, size: 136, config: 0, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ADDR|CPU|PERIOD|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, disabled: 1, inherit: 1, freq: 1, sample_id_all: 1
   dummy:u: type: 1 (PERF_TYPE_SOFTWARE), size: 136, config: 0x9 (PERF_COUNT_SW_DUMMY), { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|ADDR|CPU|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, mmap_data: 1, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1
   #
   # perf report -s type,typeoff --hierarchy --group --stdio
   # Total Lost Samples: 0
   #
   # Samples: 2K of events 'ibs_op//, dummy:u'
   # Event count (approx.): 1904553038
   #
   #            Overhead  Data Type / Data Type Offset
   # ...................  ............................
   #
       73.70%   0.00%     (unknown)
          73.70%   0.00%     (unknown) +0 (no field)
        3.01%   0.00%     long unsigned int
           3.00%   0.00%     long unsigned int +0 (no field)
           0.01%   0.00%     long unsigned int +2 (no field)
        2.73%   0.00%     struct task_struct
           1.71%   0.00%     struct task_struct +52 (on_cpu)
           0.38%   0.00%     struct task_struct +2104 (rcu_read_unlock_special.b.blocked)
           0.23%   0.00%     struct task_struct +2100 (rcu_read_lock_nesting)
           0.14%   0.00%     struct task_struct +2384 ()
           0.06%   0.00%     struct task_struct +3096 (signal)
           0.05%   0.00%     struct task_struct +3616 (cgroups)
           0.05%   0.00%     struct task_struct +2344 (active_mm)
           0.02%   0.00%     struct task_struct +46 (flags)
           0.02%   0.00%     struct task_struct +2096 (migration_disabled)
           0.01%   0.00%     struct task_struct +24 (__state)
           0.01%   0.00%     struct task_struct +3956 (mm_cid_active)
           0.01%   0.00%     struct task_struct +1048 (cpus_ptr)
           0.01%   0.00%     struct task_struct +184 (se.group_node.next)
           0.01%   0.00%     struct task_struct +20 (thread_info.cpu)
           0.00%   0.00%     struct task_struct +104 (on_rq)
           0.00%   0.00%     struct task_struct +2456 (pid)
        1.36%   0.00%     struct module
           0.59%   0.00%     struct module +952 (kallsyms)
           0.42%   0.00%     struct module +0 (state)
           0.23%   0.00%     struct module +8 (list.next)
           0.12%   0.00%     struct module +216 (syms)
        0.95%   0.00%     struct inode
           0.41%   0.00%     struct inode +40 (i_sb)
           0.22%   0.00%     struct inode +0 (i_mode)
           0.06%   0.00%     struct inode +76 (i_rdev)
           0.06%   0.00%     struct inode +56 (i_security)
   <SNIP>
 
 perf top/report:
 
 - Don't ignore job control, allowing control+Z + bg to work.
 
 - Add s390 raw data interpretation for PAI (Processor Activity Instrumentation)
   counters.
 
 perf archive:
 
 - Add new option '--all' to pack perf.data with DSOs.
 
 - Add new option '--unpack' to expand tarballs.
 
 Initialization speedups:
 
 - Lazily initialize zstd streams to save memory when not using it.
 
 - Lazily allocate/size mmap event copy.
 
 - Lazy load kernel symbols in 'perf record'.
 
 - Be lazier in allocating lost samples buffer in 'perf record'.
 
 - Don't synthesize BPF events when disabled via the command line (perf record --no-bpf-event).
 
 Assorted improvements:
 
 - Show note on AMD systems that the :p, :pp, :ppp and :P are all the same, as
   IBS (Instruction Based Sampling) is used and it is inherentely precise, not
   having levels of precision like in Intel systems.
 
 - When 'cycles' isn't available, fall back to the "task-clock" event when not
   system wide, not to 'cpu-clock'.
 
 - Add --debug-file option to redirect debug output, e.g.:
 
     $ perf --debug-file /tmp/perf.log record -v true
 
 - Shrink 'struct map' to under one cacheline by avoiding function pointers for
   selecting if addresses are identity or DSO relative, and using just a byte for
   some boolean struct members.
 
 - Resolve the arch specific strerrno just once to use in perf_env__arch_strerrno().
 
 - Reduce memory for recording PERF_RECORD_LOST_SAMPLES event.
 
 Assorted fixes:
 
 - Fix the default 'perf top' usage on Intel hybrid systems, now it starts with
   a browser showing the number of samples for Efficiency (cpu_atom/cycles/P) and
   Performance (cpu_core/cycles/P). This behaviour is similar on ARM64, with its
   respective set of big.LITTLE processors.
 
 - Fix segfault on build_mem_topology() error path.
 
 - Fix 'perf mem' error on hybrid related to availability of mem event in a PMU.
 
 - Fix missing reference count gets (map, maps) in the db-export code.
 
 - Avoid recursively taking env->bpf_progs.lock in the 'perf_env' code.
 
 - Use the newly introduced maps__for_each_map() to add missing locking around
   iteration of 'struct map' entries.
 
 - Parse NOTE segments until the build id is found, don't stop on the first one,
   ELF files may have several such NOTE segments.
 
 - Remove 'egrep' usage, its deprecated, use 'grep -E' instead.
 
 - Warn first about missing libelf, not libbpf, that depends on libelf.
 
 - Use alternative to 'find ... -printf' as this isn't supported in busybox.
 
 - Address python 3.6 DeprecationWarning for string scapes.
 
 - Fix memory leak in uniq() in libsubcmd.
 
 - Fix man page formatting for 'perf lock'
 
 - Fix some spelling mistakes.
 
 perf tests:
 
 - Fail shell tests that needs some symbol in perf itself if it is stripped.
   These tests check if a symbol is resolved, if some hot function is indeed
   detected by profiling, etc.
 
 - The 'perf test sigtrap' test is currently failing on PREEMPT_RT, skip it if
   sleeping spinlocks are detected (using BTF) and point to the mailing list
   discussion about it. This test is also being skipped on several architectures
   (powerpc, s390x, arm and aarch64) due to other pending issues with intruction
   breakpoints.
 
 - Adjust test case perf record offcpu profiling tests for s390.
 
 - Fix 'Setup struct perf_event_attr' fails on s390 on z/VM guest, addressing
   issues caused by the fallback from cycles to task-clock done in this release.
 
 - Fix mask for VG register in the user-regs test.
 
 - Use shellcheck on 'perf test' shell scripts automatically to make sure changes
   don't introduce things it flags as problematic.
 
 - Add option to change objdump binary and allow it to be set via 'perf config'.
 
 - Add basic 'perf script', 'perf list --json" and 'perf diff' tests.
 
 - Basic branch counter support.
 
 - Make DSO tests a suite rather than individual.
 
 - Remove atomics from test_loop to avoid test failures.
 
 - Fix call chain match on powerpc for the record+probe_libc_inet_pton test.
 
 - Improve Intel hybrid tests.
 
 Vendor event files (JSON):
 
 powerpc:
 
 - Update datasource event name to fix duplicate events on IBM's Power10.
 
 - Add PVN for HX-C2000 CPU with Power8 Architecture.
 
 Intel:
 
 - Alderlake/rocketlake metric fixes.
 
 - Update emeraldrapids events to v1.02.
 
 - Update icelakex events to v1.23.
 
 - Update sapphirerapids events to v1.17.
 
 - Add skx, clx, icx and spr upi bandwidth metric.
 
 AMD:
 
 - Add Zen 4 memory controller events.
 
 RISC-V:
 
 - Add StarFive Dubhe-80 and Dubhe-90 JSON files.
   https://www.starfivetech.com/en/site/cpu-u
 
 - Add T-HEAD C9xx JSON file.
   https://github.com/riscv-software-src/opensbi/blob/master/docs/platform/thead-c9xx.md
 
 ARM64:
 
 - Remove UTF-8 characters from cmn.json, that were causing build failure in some
   distros.
 
 - Add core PMU events and metrics for Ampere One X.
 
 - Rename Ampere One's BPU_FLUSH_MEM_FAULT to GPC_FLUSH_MEM_FAULT
 
 libperf:
 
 - Rename several perf_cpu_map constructor names to clarify what they really do.
 
 - Ditto for some other methods, coping with some issues in their semantics,
   like perf_cpu_map__empty() -> perf_cpu_map__has_any_cpu_or_is_empty().
 
 - Document perf_cpu_map__nr()'s behavior
 
 perf stat:
 
 - Exit if parse groups fails.
 
 - Combine the -A/--no-aggr and --no-merge options.
 
 - Fix help message for --metric-no-threshold option.
 
 Hardware tracing:
 
 ARM64 CoreSight:
 
 - Bump minimum OpenCSD version to ensure a bugfix is present.
 
 - Add 'T' itrace option for timestamp trace
 
 - Set start vm addr of exectable file to 0 and don't ignore first sample on the
   arm-cs-trace-disasm.py 'perf script'.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "Add Namhyung Kim as tools/perf/ co-maintainer, we're taking turns
  processing patches, switching roles from perf-tools to perf-tools-next
  at each Linux release.

  Data profiling:

   - Associate samples that identify loads and stores with data
     structures. This uses events available on Intel, AMD and others and
     DWARF info:

       # To get memory access samples in kernel for 1 second (on Intel)
       $ perf mem record -a -K --ldlat=4 -- sleep 1

       # Similar for the AMD (but it requires 6.3+ kernel for BPF filters)
       $ perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000' -- sleep 1

     Then, amongst several modes of post processing, one can do things like:

       $ perf report -s type,typeoff --hierarchy --group --stdio
       ...
       #
       # Samples: 10K of events 'cpu/mem-loads,ldlat=4/P, cpu/mem-stores/P, dummy:u'
       # Event count (approx.): 602758064
       #
       #                    Overhead  Data Type / Data Type Offset
       # ...........................  ............................
       #
           26.09%   3.28%   0.00%     long unsigned int
              26.09%   3.28%   0.00%     long unsigned int +0 (no field)
           18.48%   0.73%   0.00%     struct page
              10.83%   0.02%   0.00%     struct page +8 (lru.next)
               3.90%   0.28%   0.00%     struct page +0 (flags)
               3.45%   0.06%   0.00%     struct page +24 (mapping)
               0.25%   0.28%   0.00%     struct page +48 (_mapcount.counter)
               0.02%   0.06%   0.00%     struct page +32 (index)
               0.02%   0.00%   0.00%     struct page +52 (_refcount.counter)
               0.02%   0.01%   0.00%     struct page +56 (memcg_data)
               0.00%   0.01%   0.00%     struct page +16 (lru.prev)
           15.37%  17.54%   0.00%     (stack operation)
              15.37%  17.54%   0.00%     (stack operation) +0 (no field)
           11.71%  50.27%   0.00%     (unknown)
              11.71%  50.27%   0.00%     (unknown) +0 (no field)

       $ perf annotate --data-type
       ...
       Annotate type: 'struct cfs_rq' in [kernel.kallsyms] (13 samples):
       ============================================================================
           samples     offset       size  field
                13          0        640  struct cfs_rq         {
                 2          0         16      struct load_weight       load {
                 2          0          8          unsigned long        weight;
                 0          8          4          u32  inv_weight;
                                              };
                 0         16          8      unsigned long    runnable_weight;
                 0         24          4      unsigned int     nr_running;
                 1         28          4      unsigned int     h_nr_running;
       ...

       $ perf annotate --data-type=page --group
       Annotate type: 'struct page' in [kernel.kallsyms] (480 samples):
        event[0] = cpu/mem-loads,ldlat=4/P
        event[1] = cpu/mem-stores/P
        event[2] = dummy:u
       ===================================================================================
                samples  offset  size  field
       447  33        0       0    64  struct page     {
       108   8        0       0     8	 long unsigned int  flags;
       319  13        0       8    40	 union       {
       319  13        0       8    40          struct          {
       236   2        0       8    16              union       {
       236   2        0       8    16                  struct list_head       lru {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
       236   2        0       8    16                  struct          {
       236   1        0       8     8                      void*      __filler;
         0   1        0      16     4                      unsigned int       mlock_count;
                                                       };
       236   2        0       8    16                  struct list_head       buddy_list {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
       236   2        0       8    16                  struct list_head       pcp_list {
       236   1        0       8     8                      struct list_head*  next;
         0   1        0      16     8                      struct list_head*  prev;
                                                       };
                                                   };
        82   4        0      24     8              struct address_space*      mapping;
         1   7        0      32     8              union       {
         1   7        0      32     8                  long unsigned int      index;
         1   7        0      32     8                  long unsigned int      share;
                                                   };
         0   0        0      40     8              long unsigned int  private;
                                                                 };

     This uses the existing annotate code, calling objdump to do the
     disassembly, with improvements to avoid having this take too long,
     but longer term a switch to a disassembler library, possibly
     reusing code in the kernel will be pursued.

     This is the initial implementation, please use it and report
     impressions and bugs. Make sure the kernel-debuginfo packages match
     the running kernel. The 'perf report' phase for non short perf.data
     files may take a while.

     There is a great article about it on LWN:

       https://lwn.net/Articles/955709/ - "Data-type profiling for perf"

     One last test I did while writing this text, on a AMD Ryzen 5950X,
     using a distro kernel, while doing a simple 'find /' on an
     otherwise idle system resulted in:

     # uname -r
     6.6.9-100.fc38.x86_64
     # perf -vv | grep BPF_
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
            bpf_skeletons: [ on  ]  # HAVE_BPF_SKEL
     # rpm -qa | grep kernel-debuginfo
     kernel-debuginfo-common-x86_64-6.6.9-100.fc38.x86_64
     kernel-debuginfo-6.6.9-100.fc38.x86_64
     #
     # perf mem record -a --filter 'mem_op == load || mem_op == store, ip > 0x8000000000000000'
     ^C[ perf record: Woken up 1 times to write data ]
     [ perf record: Captured and wrote 2.199 MB perf.data (2913 samples) ]
     #
     # ls -la perf.data
     -rw-------. 1 root root 2346486 Jan  9 18:36 perf.data
     # perf evlist
     ibs_op//
     dummy:u
     # perf evlist -v
     ibs_op//: type: 11, size: 136, config: 0, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ADDR|CPU|PERIOD|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, disabled: 1, inherit: 1, freq: 1, sample_id_all: 1
     dummy:u: type: 1 (PERF_TYPE_SOFTWARE), size: 136, config: 0x9 (PERF_COUNT_SW_DUMMY), { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|ADDR|CPU|IDENTIFIER|DATA_SRC|WEIGHT, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, mmap_data: 1, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1
     #
     # perf report -s type,typeoff --hierarchy --group --stdio
     # Total Lost Samples: 0
     #
     # Samples: 2K of events 'ibs_op//, dummy:u'
     # Event count (approx.): 1904553038
     #
     #            Overhead  Data Type / Data Type Offset
     # ...................  ............................
     #
         73.70%   0.00%     (unknown)
            73.70%   0.00%     (unknown) +0 (no field)
          3.01%   0.00%     long unsigned int
             3.00%   0.00%     long unsigned int +0 (no field)
             0.01%   0.00%     long unsigned int +2 (no field)
          2.73%   0.00%     struct task_struct
             1.71%   0.00%     struct task_struct +52 (on_cpu)
             0.38%   0.00%     struct task_struct +2104 (rcu_read_unlock_special.b.blocked)
             0.23%   0.00%     struct task_struct +2100 (rcu_read_lock_nesting)
             0.14%   0.00%     struct task_struct +2384 ()
             0.06%   0.00%     struct task_struct +3096 (signal)
             0.05%   0.00%     struct task_struct +3616 (cgroups)
             0.05%   0.00%     struct task_struct +2344 (active_mm)
             0.02%   0.00%     struct task_struct +46 (flags)
             0.02%   0.00%     struct task_struct +2096 (migration_disabled)
             0.01%   0.00%     struct task_struct +24 (__state)
             0.01%   0.00%     struct task_struct +3956 (mm_cid_active)
             0.01%   0.00%     struct task_struct +1048 (cpus_ptr)
             0.01%   0.00%     struct task_struct +184 (se.group_node.next)
             0.01%   0.00%     struct task_struct +20 (thread_info.cpu)
             0.00%   0.00%     struct task_struct +104 (on_rq)
             0.00%   0.00%     struct task_struct +2456 (pid)
          1.36%   0.00%     struct module
             0.59%   0.00%     struct module +952 (kallsyms)
             0.42%   0.00%     struct module +0 (state)
             0.23%   0.00%     struct module +8 (list.next)
             0.12%   0.00%     struct module +216 (syms)
          0.95%   0.00%     struct inode
             0.41%   0.00%     struct inode +40 (i_sb)
             0.22%   0.00%     struct inode +0 (i_mode)
             0.06%   0.00%     struct inode +76 (i_rdev)
             0.06%   0.00%     struct inode +56 (i_security)
     <SNIP>

  perf top/report:

   - Don't ignore job control, allowing control+Z + bg to work.

   - Add s390 raw data interpretation for PAI (Processor Activity
     Instrumentation) counters.

  perf archive:

   - Add new option '--all' to pack perf.data with DSOs.

   - Add new option '--unpack' to expand tarballs.

  Initialization speedups:

   - Lazily initialize zstd streams to save memory when not using it.

   - Lazily allocate/size mmap event copy.

   - Lazy load kernel symbols in 'perf record'.

   - Be lazier in allocating lost samples buffer in 'perf record'.

   - Don't synthesize BPF events when disabled via the command line
     (perf record --no-bpf-event).

  Assorted improvements:

   - Show note on AMD systems that the :p, :pp, :ppp and :P are all the
     same, as IBS (Instruction Based Sampling) is used and it is
     inherentely precise, not having levels of precision like in Intel
     systems.

   - When 'cycles' isn't available, fall back to the "task-clock" event
     when not system wide, not to 'cpu-clock'.

   - Add --debug-file option to redirect debug output, e.g.:

       $ perf --debug-file /tmp/perf.log record -v true

   - Shrink 'struct map' to under one cacheline by avoiding function
     pointers for selecting if addresses are identity or DSO relative,
     and using just a byte for some boolean struct members.

   - Resolve the arch specific strerrno just once to use in
     perf_env__arch_strerrno().

   - Reduce memory for recording PERF_RECORD_LOST_SAMPLES event.

  Assorted fixes:

   - Fix the default 'perf top' usage on Intel hybrid systems, now it
     starts with a browser showing the number of samples for Efficiency
     (cpu_atom/cycles/P) and Performance (cpu_core/cycles/P). This
     behaviour is similar on ARM64, with its respective set of
     big.LITTLE processors.

   - Fix segfault on build_mem_topology() error path.

   - Fix 'perf mem' error on hybrid related to availability of mem event
     in a PMU.

   - Fix missing reference count gets (map, maps) in the db-export code.

   - Avoid recursively taking env->bpf_progs.lock in the 'perf_env'
     code.

   - Use the newly introduced maps__for_each_map() to add missing
     locking around iteration of 'struct map' entries.

   - Parse NOTE segments until the build id is found, don't stop on the
     first one, ELF files may have several such NOTE segments.

   - Remove 'egrep' usage, its deprecated, use 'grep -E' instead.

   - Warn first about missing libelf, not libbpf, that depends on
     libelf.

   - Use alternative to 'find ... -printf' as this isn't supported in
     busybox.

   - Address python 3.6 DeprecationWarning for string scapes.

   - Fix memory leak in uniq() in libsubcmd.

   - Fix man page formatting for 'perf lock'

   - Fix some spelling mistakes.

  perf tests:

   - Fail shell tests that needs some symbol in perf itself if it is
     stripped. These tests check if a symbol is resolved, if some hot
     function is indeed detected by profiling, etc.

   - The 'perf test sigtrap' test is currently failing on PREEMPT_RT,
     skip it if sleeping spinlocks are detected (using BTF) and point to
     the mailing list discussion about it. This test is also being
     skipped on several architectures (powerpc, s390x, arm and aarch64)
     due to other pending issues with intruction breakpoints.

   - Adjust test case perf record offcpu profiling tests for s390.

   - Fix 'Setup struct perf_event_attr' fails on s390 on z/VM guest,
     addressing issues caused by the fallback from cycles to task-clock
     done in this release.

   - Fix mask for VG register in the user-regs test.

   - Use shellcheck on 'perf test' shell scripts automatically to make
     sure changes don't introduce things it flags as problematic.

   - Add option to change objdump binary and allow it to be set via
     'perf config'.

   - Add basic 'perf script', 'perf list --json" and 'perf diff' tests.

   - Basic branch counter support.

   - Make DSO tests a suite rather than individual.

   - Remove atomics from test_loop to avoid test failures.

   - Fix call chain match on powerpc for the record+probe_libc_inet_pton
     test.

   - Improve Intel hybrid tests.

  Vendor event files (JSON):

  powerpc:

   - Update datasource event name to fix duplicate events on IBM's
     Power10.

   - Add PVN for HX-C2000 CPU with Power8 Architecture.

  Intel:

   - Alderlake/rocketlake metric fixes.

   - Update emeraldrapids events to v1.02.

   - Update icelakex events to v1.23.

   - Update sapphirerapids events to v1.17.

   - Add skx, clx, icx and spr upi bandwidth metric.

  AMD:

   - Add Zen 4 memory controller events.

  RISC-V:

   - Add StarFive Dubhe-80 and Dubhe-90 JSON files.
       https://www.starfivetech.com/en/site/cpu-u

   - Add T-HEAD C9xx JSON file.
       https://github.com/riscv-software-src/opensbi/blob/master/docs/platform/thead-c9xx.md

  ARM64:

   - Remove UTF-8 characters from cmn.json, that were causing build
     failure in some distros.

   - Add core PMU events and metrics for Ampere One X.

   - Rename Ampere One's BPU_FLUSH_MEM_FAULT to GPC_FLUSH_MEM_FAULT

  libperf:

   - Rename several perf_cpu_map constructor names to clarify what they
     really do.

   - Ditto for some other methods, coping with some issues in their
     semantics, like perf_cpu_map__empty() ->
     perf_cpu_map__has_any_cpu_or_is_empty().

   - Document perf_cpu_map__nr()'s behavior

  perf stat:

   - Exit if parse groups fails.

   - Combine the -A/--no-aggr and --no-merge options.

   - Fix help message for --metric-no-threshold option.

  Hardware tracing:

  ARM64 CoreSight:

   - Bump minimum OpenCSD version to ensure a bugfix is present.

   - Add 'T' itrace option for timestamp trace

   - Set start vm addr of exectable file to 0 and don't ignore first
     sample on the arm-cs-trace-disasm.py 'perf script'"

* tag 'perf-tools-for-v6.8-1-2024-01-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (179 commits)
  MAINTAINERS: Add Namhyung as tools/perf/ co-maintainer
  perf test: test case 'Setup struct perf_event_attr' fails on s390 on z/vm
  perf db-export: Fix missing reference count get in call_path_from_sample()
  perf tests: Add perf script test
  libsubcmd: Fix memory leak in uniq()
  perf TUI: Don't ignore job control
  perf vendor events intel: Update sapphirerapids events to v1.17
  perf vendor events intel: Update icelakex events to v1.23
  perf vendor events intel: Update emeraldrapids events to v1.02
  perf vendor events intel: Alderlake/rocketlake metric fixes
  perf x86 test: Add hybrid test for conflicting legacy/sysfs event
  perf x86 test: Update hybrid expectations
  perf vendor events amd: Add Zen 4 memory controller events
  perf stat: Fix hard coded LL miss units
  perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event
  perf env: Avoid recursively taking env->bpf_progs.lock
  perf annotate: Add --insn-stat option for debugging
  perf annotate: Add --type-stat option for debugging
  perf annotate: Support event group display
  perf annotate: Add --data-type option
  ...
2024-01-19 14:25:23 -08:00
Linus Torvalds
24fdd51899 LoongArch changes for v6.8
1, Raise minimum clang version to 18.0.0;
 2, Enable initial Rust support for LoongArch;
 3, Add built-in dtb support for LoongArch;
 4, Use generic interface to support crashkernel=X,[high,low];
 5, Some bug fixes and other small changes;
 6, Update the default config file.
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Merge tag 'loongarch-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Raise minimum clang version to 18.0.0

 - Enable initial Rust support for LoongArch

 - Add built-in dtb support for LoongArch

 - Use generic interface to support crashkernel=X,[high,low]

 - Some bug fixes and other small changes

 - Update the default config file.

* tag 'loongarch-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (22 commits)
  MAINTAINERS: Add BPF JIT for LOONGARCH entry
  LoongArch: Update Loongson-3 default config file
  LoongArch: BPF: Prevent out-of-bounds memory access
  LoongArch: BPF: Support 64-bit pointers to kfuncs
  LoongArch: Fix definition of ftrace_regs_set_instruction_pointer()
  LoongArch: Use generic interface to support crashkernel=X,[high,low]
  LoongArch: Fix and simplify fcsr initialization on execve()
  LoongArch: Let cores_io_master cover the largest NR_CPUS
  LoongArch: Change SHMLBA from SZ_64K to PAGE_SIZE
  LoongArch: Add a missing call to efi_esrt_init()
  LoongArch: Parsing CPU-related information from DTS
  LoongArch: dts: DeviceTree for Loongson-2K2000
  LoongArch: dts: DeviceTree for Loongson-2K1000
  LoongArch: dts: DeviceTree for Loongson-2K0500
  LoongArch: Allow device trees be built into the kernel
  dt-bindings: interrupt-controller: loongson,liointc: Fix dtbs_check warning for interrupt-names
  dt-bindings: interrupt-controller: loongson,liointc: Fix dtbs_check warning for reg-names
  dt-bindings: loongarch: Add Loongson SoC boards compatibles
  dt-bindings: loongarch: Add CPU bindings for LoongArch
  LoongArch: Enable initial Rust support
  ...
2024-01-19 13:30:49 -08:00
Linus Torvalds
16df6e07d6 vfs-6.8.netfs
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Merge tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

Pull netfs updates from Christian Brauner:
 "This extends the netfs helper library that network filesystems can use
  to replace their own implementations. Both afs and 9p are ported. cifs
  is ready as well but the patches are way bigger and will be routed
  separately once this is merged. That will remove lots of code as well.

  The overal goal is to get high-level I/O and knowledge of the page
  cache and ouf of the filesystem drivers. This includes knowledge about
  the existence of pages and folios

  The pull request converts afs and 9p. This removes about 800 lines of
  code from afs and 300 from 9p. For 9p it is now possible to do writes
  in larger than a page chunks. Additionally, multipage folio support
  can be turned on for 9p. Separate patches exist for cifs removing
  another 2000+ lines. I've included detailed information in the
  individual pulls I took.

  Summary:

   - Add NFS-style (and Ceph-style) locking around DIO vs buffered I/O
     calls to prevent these from happening at the same time.

   - Support for direct and unbuffered I/O.

   - Support for write-through caching in the page cache.

   - O_*SYNC and RWF_*SYNC writes use write-through rather than writing
     to the page cache and then flushing afterwards.

   - Support for write-streaming.

   - Support for write grouping.

   - Skip reads for which the server could only return zeros or EOF.

   - The fscache module is now part of the netfs library and the
     corresponding maintainer entry is updated.

   - Some helpers from the fscache subsystem are renamed to mark them as
     belonging to the netfs library.

   - Follow-up fixes for the netfs library.

   - Follow-up fixes for the 9p conversion"

* tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (50 commits)
  netfs: Fix wrong #ifdef hiding wait
  cachefiles: Fix signed/unsigned mixup
  netfs: Fix the loop that unmarks folios after writing to the cache
  netfs: Fix interaction between write-streaming and cachefiles culling
  netfs: Count DIO writes
  netfs: Mark netfs_unbuffered_write_iter_locked() static
  netfs: Fix proc/fs/fscache symlink to point to "netfs" not "../netfs"
  netfs: Rearrange netfs_io_subrequest to put request pointer first
  9p: Use length of data written to the server in preference to error
  9p: Do a couple of cleanups
  9p: Fix initialisation of netfs_inode for 9p
  cachefiles: Fix __cachefiles_prepare_write()
  9p: Use netfslib read/write_iter
  afs: Use the netfs write helpers
  netfs: Export the netfs_sreq tracepoint
  netfs: Optimise away reads above the point at which there can be no data
  netfs: Implement a write-through caching option
  netfs: Provide a launder_folio implementation
  netfs: Provide a writepages implementation
  netfs, cachefiles: Pass upper bound length to allow expansion
  ...
2024-01-19 09:10:23 -08:00
Linus Torvalds
736b5545d3 Including fixes from bpf and netfilter.
Previous releases - regressions:
 
  - Revert "net: rtnetlink: Enslave device before bringing it up",
    breaks the case inverse to the one it was trying to fix
 
  - net: dsa: fix oob access in DSA's netdevice event handler
    dereference netdev_priv() before check its a DSA port
 
  - sched: track device in tcf_block_get/put_ext() only for clsact
    binder types
 
  - net: tls, fix WARNING in __sk_msg_free when record becomes full
    during splice and MORE hint set
 
  - sfp-bus: fix SFP mode detect from bitrate
 
  - drv: stmmac: prevent DSA tags from breaking COE
 
 Previous releases - always broken:
 
  - bpf: fix no forward progress in in bpf_iter_udp if output
    buffer is too small
 
  - bpf: reject variable offset alu on registers with a type
    of PTR_TO_FLOW_KEYS to prevent oob access
 
  - netfilter: tighten input validation
 
  - net: add more sanity check in virtio_net_hdr_to_skb()
 
  - rxrpc: fix use of Don't Fragment flag on RESPONSE packets,
    avoid infinite loop
 
  - amt: do not use the portion of skb->cb area which may get clobbered
 
  - mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
 
 Misc:
 
  - spring cleanup of inactive maintainers
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf and netfilter.

  Previous releases - regressions:

   - Revert "net: rtnetlink: Enslave device before bringing it up",
     breaks the case inverse to the one it was trying to fix

   - net: dsa: fix oob access in DSA's netdevice event handler
     dereference netdev_priv() before check its a DSA port

   - sched: track device in tcf_block_get/put_ext() only for clsact
     binder types

   - net: tls, fix WARNING in __sk_msg_free when record becomes full
     during splice and MORE hint set

   - sfp-bus: fix SFP mode detect from bitrate

   - drv: stmmac: prevent DSA tags from breaking COE

  Previous releases - always broken:

   - bpf: fix no forward progress in in bpf_iter_udp if output buffer is
     too small

   - bpf: reject variable offset alu on registers with a type of
     PTR_TO_FLOW_KEYS to prevent oob access

   - netfilter: tighten input validation

   - net: add more sanity check in virtio_net_hdr_to_skb()

   - rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
     infinite loop

   - amt: do not use the portion of skb->cb area which may get clobbered

   - mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option

  Misc:

   - spring cleanup of inactive maintainers"

* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
  i40e: Include types.h to some headers
  ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
  selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
  selftests: mlxsw: qos_pfc: Remove wrong description
  mlxsw: spectrum_router: Register netdevice notifier before nexthop
  mlxsw: spectrum_acl_tcam: Fix stack corruption
  mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
  mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
  ethtool: netlink: Add missing ethnl_ops_begin/complete
  selftests: bonding: Add more missing config options
  selftests: netdevsim: add a config file
  libbpf: warn on unexpected __arg_ctx type when rewriting BTF
  selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
  bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
  bpf: extract bpf_ctx_convert_map logic and make it more reusable
  libbpf: feature-detect arg:ctx tag support in kernel
  ipvs: avoid stat macros calls from preemptible context
  netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
  netfilter: nf_tables: skip dead set elements in netlink dump
  netfilter: nf_tables: do not allow mismatch field size and set key length
  ...
2024-01-18 17:33:50 -08:00
Linus Torvalds
ed8d84530a This cycle, I2C removes the currently unused CLASS_DDC support
(controllers set the flag, but there is no client to use it). Also,
 CLASS_SPD support gets simplified to prepare removal in the future.
 Class based instantiation is not recommended these days anyhow.
 Furthermore, I2C core now creates a debugfs directory per I2C adapter.
 Current bus driver users were converted to use it. Then, there are also
 quite some driver updates. Standing out are patches for the wmt-driver
 which is refactored to support more variants. This is the rebased pull
 request where a large series for the designware driver was dropped.
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Merge tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "This removes the currently unused CLASS_DDC support (controllers set
  the flag, but there is no client to use it).

  Also, CLASS_SPD support gets simplified to prepare removal in the
  future. Class based instantiation is not recommended these days
  anyhow.

  Furthermore, I2C core now creates a debugfs directory per I2C adapter.
  Current bus driver users were converted to use it.

  Finally, quite some driver updates. Standing out are patches for the
  wmt-driver which is refactored to support more variants.

  This is the rebased pull request where a large series for the
  designware driver was dropped"

* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
  MAINTAINERS: use proper email for my I2C work
  i2c: stm32f7: add support for stm32mp25 soc
  i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
  dt-bindings: i2c: document st,stm32mp25-i2c compatible
  i2c: stm32f7: simplify status messages in case of errors
  i2c: stm32f7: perform most of irq job in threaded handler
  i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
  i2c: i801: Add lis3lv02d for Dell XPS 15 7590
  i2c: i801: Add lis3lv02d for Dell Precision 3540
  i2c: wmt: Reduce redundant: REG_CR setting
  i2c: wmt: Reduce redundant: function parameter
  i2c: wmt: Reduce redundant: clock mode setting
  i2c: wmt: Reduce redundant: wait event complete
  i2c: wmt: Reduce redundant: bus busy check
  i2c: mux: reg: Remove class-based device auto-detection support
  i2c: make i2c_bus_type const
  dt-bindings: at24: add ROHM BR24G04
  eeprom: at24: use of_match_ptr()
  i2c: cpm: Remove linux,i2c-index conversion from be32
  i2c: imx: Make SDA actually optional for bus recovering
  ...
2024-01-18 17:29:01 -08:00
Linus Torvalds
378de6df19 RTC for 6.8
Subsytem:
 
 New driver:
  - Analog Devices MAX31335
  - Nuvoton ma35d1
  - Texas Instrument TPS6594 PMIC RTC
 
 Drivers:
  - cmos: use ACPI alarm instead of HPET on recent AMD platforms
  - nuvoton: add NCT3015Y-R and NCT3018Y-R support
  - rv8803: proper suspend/resume and wakeup-source support
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Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "There are three new drivers this cycle. Also the cmos driver is
  getting fixes for longstanding wakeup issues on AMD.

  New drivers:
   - Analog Devices MAX31335
   - Nuvoton ma35d1
   - Texas Instrument TPS6594 PMIC RTC

  Drivers:
   - cmos: use ACPI alarm instead of HPET on recent AMD platforms
   - nuvoton: add NCT3015Y-R and NCT3018Y-R support
   - rv8803: proper suspend/resume and wakeup-source support"

* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
  rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
  rtc: da9063: Use dev_err_probe()
  rtc: da9063: Use device_get_match_data()
  rtc: da9063: Make IRQ as optional
  rtc: max31335: Fix comparison in max31335_volatile_reg()
  rtc: max31335: use regmap_update_bits_check
  rtc: max31335: remove unecessary locking
  rtc: max31335: add driver support
  dt-bindings: rtc: max31335: add max31335 bindings
  rtc: rv8803: add wakeup-source support
  rtc: ac100: remove misuses of kernel-doc
  rtc: class: Remove usage of the deprecated ida_simple_xx() API
  rtc: MAINTAINERS: drop Alessandro Zummo
  rtc: ma35d1: remove hardcoded UIE support
  dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
  rtc: rv8803: Add power management support
  rtc: ds3232: avoid unused-const-variable warning
  rtc: lpc24xx: add missing dependency
  rtc: tps6594: Add driver for TPS6594 RTC
  rtc: Add driver for Nuvoton ma35d1 rtc controller
  ...
2024-01-18 17:25:39 -08:00
Linus Torvalds
0f289bdd41 Input updates for 6.8 merge window:
- a new driver for Adafruit Seesaw gamepad device
 
 - Zforce touchscreen will handle standard device properties for axis
   swap/inversion
 
 - handling of advanced sensitivity settings in Microchip CAP11xx
   capacitive sensor driver
 
 - more drivers have been converted to use newer gpiod API
 
 - support for dedicated wakeup IRQs in gpio-keys dirver
 
 - support for slider gestures and OTP variants in iqs269a driver
 
 - atkbd will report keyboard version as 0xab83 in cases when GET ID
   command was skipped (to deal with problematic firmware on newer
   laptops), restoring the previous behavior
 
 - other assorted cleanups and changes
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Merge tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - a new driver for Adafruit Seesaw gamepad device

 - Zforce touchscreen will handle standard device properties for axis
   swap/inversion

 - handling of advanced sensitivity settings in Microchip CAP11xx
   capacitive sensor driver

 - more drivers have been converted to use newer gpiod API

 - support for dedicated wakeup IRQs in gpio-keys dirver

 - support for slider gestures and OTP variants in iqs269a driver

 - atkbd will report keyboard version as 0xab83 in cases when GET ID
   command was skipped (to deal with problematic firmware on newer
   laptops), restoring the previous behavior

 - other assorted cleanups and changes

* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
  Input: atkbd - use ab83 as id when skipping the getid command
  Input: driver for Adafruit Seesaw Gamepad
  dt-bindings: input: bindings for Adafruit Seesaw Gamepad
  Input: da9063_onkey - avoid explicitly setting input's parent
  Input: da9063_onkey - avoid using OF-specific APIs
  Input: iqs269a - add support for OTP variants
  dt-bindings: input: iqs269a: Add bindings for OTP variants
  Input: iqs269a - add support for slider gestures
  dt-bindings: input: iqs269a: Add bindings for slider gestures
  Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
  Input: zforce_ts - accept standard touchscreen properties
  dt-bindings: touchscreen: neonode,zforce: Use standard properties
  dt-bindings: touchscreen: convert neonode,zforce to json-schema
  dt-bindings: input: convert drv266x to json-schema
  Input: da9063 - use dev_err_probe()
  Input: da9063 - drop redundant prints in probe()
  Input: da9063 - simplify obtaining OF match data
  Input: as5011 - convert to GPIO descriptor
  Input: omap-keypad - drop optional GPIO support
  Input: tca6416-keypad - drop unused include
  ...
2024-01-18 17:21:35 -08:00
Linus Torvalds
21c91bb936 - New Drivers
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
 
  - Fix-ups
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
    - Device Tree Binding updates
    - Demote non-kerneldoc header comments
    - Improve error handling; return proper error values, simplify, avoid duplicates, etc
    - Convert over to the new (kinda) GPIOD API
 
  - Bug Fixes
    - Fix uninitialised local variable
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Merge tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Add support for Monolithic Power Systems MP3309C WLED Step-up Converter

  Fix-ups:
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations
   - Device Tree Binding updates
   - Demote non-kerneldoc header comments
   - Improve error handling; return proper error values, simplify, avoid
     duplicates, etc
   - Convert over to the new (kinda) GPIOD API

  Bug Fixes:
   - Fix uninitialised local variable"

* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: hx8357: Convert to agnostic GPIO API
  backlight: ili922x: Add an error code check in ili922x_write()
  backlight: ili922x: Drop kernel-doc for local macros
  backlight: mp3309c: Fix uninitialized local variable
  backlight: pwm_bl: Use dev_err_probe
  backlight: mp3309c: Add support for MPS MP3309C
  dt-bindings: backlight: mp3309c: Remove two required properties
2024-01-18 16:53:35 -08:00
Linus Torvalds
db5ccb9eb2 cxl for v6.8
- Add support for parsing the Coherent Device Attribute Table (CDAT)
 
 - Add support for calculating a platform CXL QoS class from CDAT data
 
 - Unify the tracing of EFI CXL Events with native CXL Events.
 
 - Add Get Timestamp support
 
 - Miscellaneous cleanups and fixups
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Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "The bulk of this update is support for enumerating the performance
  capabilities of CXL memory targets and connecting that to a platform
  CXL memory QoS class. Some follow-on work remains to hook up this data
  into core-mm policy, but that is saved for v6.9.

  The next significant update is unifying how CXL event records (things
  like background scrub errors) are processed between so called
  "firmware first" and native error record retrieval. The CXL driver
  handler that processes the record retrieved from the device mailbox is
  now the handler for that same record format coming from an EFI/ACPI
  notification source.

  This also contains miscellaneous feature updates, like Get Timestamp,
  and other fixups.

  Summary:

   - Add support for parsing the Coherent Device Attribute Table (CDAT)

   - Add support for calculating a platform CXL QoS class from CDAT data

   - Unify the tracing of EFI CXL Events with native CXL Events.

   - Add Get Timestamp support

   - Miscellaneous cleanups and fixups"

* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
  cxl/core: use sysfs_emit() for attr's _show()
  cxl/pci: Register for and process CPER events
  PCI: Introduce cleanup helpers for device reference counts and locks
  acpi/ghes: Process CXL Component Events
  cxl/events: Create a CXL event union
  cxl/events: Separate UUID from event structures
  cxl/events: Remove passing a UUID to known event traces
  cxl/events: Create common event UUID defines
  cxl/events: Promote CXL event structures to a core header
  cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
  cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
  cxl: Fix device reference leak in cxl_port_perf_data_calculate()
  cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
  cxl: Introduce put_cxl_root() helper
  cxl/port: Fix missing target list lock
  cxl/port: Fix decoder initialization when nr_targets > interleave_ways
  cxl/region: fix x9 interleave typo
  cxl/trace: Pass UUID explicitly to event traces
  cxl/region: use %pap format to print resource_size_t
  cxl/region: Add dev_dbg() detail on failure to allocate HPA space
  ...
2024-01-18 16:22:43 -08:00
Linus Torvalds
244aefb1c6 VFIO updates for v6.8-rc1
- Add debugfs support, initially used for reporting device migration
    state. (Longfang Liu)
 
  - Fixes and support for migration dirty tracking across multiple IOVA
    regions in the pds-vfio-pci driver. (Brett Creeley)
 
  - Improved IOMMU allocation accounting visibility. (Pasha Tatashin)
 
  - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
    provides emulation of a legacy virtio interfaces on modern virtio
    hardware for virtio-net VF devices where the PF driver exposes
    support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
    VF to provide driver ABI compatibility to legacy devices.
    (Yishai Hadas & Feng Liu)
 
  - Migration fixes for the hisi-acc-vfio-pci variant driver.
    (Shameer Kolothum)
 
  - Kconfig dependency fix for new virtio-vfio-pci variant driver.
    (Arnd Bergmann)
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Merge tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Add debugfs support, initially used for reporting device migration
   state (Longfang Liu)

 - Fixes and support for migration dirty tracking across multiple IOVA
   regions in the pds-vfio-pci driver (Brett Creeley)

 - Improved IOMMU allocation accounting visibility (Pasha Tatashin)

 - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
   provides emulation of a legacy virtio interfaces on modern virtio
   hardware for virtio-net VF devices where the PF driver exposes
   support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
   VF to provide driver ABI compatibility to legacy devices (Yishai
   Hadas & Feng Liu)

 - Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
   Kolothum)

 - Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
   Bergmann)

* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
  vfio/virtio: fix virtio-pci dependency
  hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
  vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
  vfio/virtio: Introduce a vfio driver over virtio devices
  vfio/pci: Expose vfio_pci_core_iowrite/read##size()
  vfio/pci: Expose vfio_pci_core_setup_barmap()
  virtio-pci: Introduce APIs to execute legacy IO admin commands
  virtio-pci: Initialize the supported admin commands
  virtio-pci: Introduce admin commands
  virtio-pci: Introduce admin command sending function
  virtio-pci: Introduce admin virtqueue
  virtio: Define feature bit for administration virtqueue
  vfio/type1: account iommu allocations
  vfio/pds: Add multi-region support
  vfio/pds: Move seq/ack bitmaps into region struct
  vfio/pds: Pass region info to relevant functions
  vfio/pds: Move and rename region specific info
  vfio/pds: Only use a single SGL for both seq and ack
  vfio/pds: Fix calculations in pds_vfio_dirty_sync
  MAINTAINERS: Add vfio debugfs interface doc link
  ...
2024-01-18 15:57:25 -08:00