Граф коммитов

1169207 Коммитов

Автор SHA1 Сообщение Дата
Mateusz Guzik 981ee95cc1 vfs: avoid duplicating creds in faccessat if possible
access(2) remains commonly used, for example on exec:
access("/etc/ld.so.preload", R_OK)

or when running gcc: strace -c gcc empty.c

  % time     seconds  usecs/call     calls    errors syscall
  ------ ----------- ----------- --------- --------- ----------------
    0.00    0.000000           0        42        26 access

It falls down to do_faccessat without the AT_EACCESS flag, which in turn
results in allocation of new creds in order to modify fsuid/fsgid and
caps.  This is a very expensive process single-threaded and most notably
multi-threaded, with numerous structures getting refed and unrefed on
imminent new cred destruction.

Turns out for typical consumers the resulting creds would be identical
and this can be checked upfront, avoiding the hard work.

An access benchmark plugged into will-it-scale running on Cascade Lake
shows:

    test     proc     before       after
    access1     1    1310582     2908735    (+121%) # distinct files
    access1    24    4716491    63822173   (+1353%) # distinct files
    access2    24    2378041     5370335    (+125%) # same file

The above benchmarks are not integrated into will-it-scale, but can be
found in a pull request:

  https://github.com/antonblanchard/will-it-scale/pull/36/files

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27 16:39:19 -08:00
Mateusz Guzik a4eecbae09 capability: add cap_isidentical
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27 16:39:19 -08:00
Linus Torvalds 103830683c f2fs-for-6.3-rc1
In this round, we've got a huge number of patches that improve code readability
 along with minor bug fixes, while we've mainly fixed some critical issues in
 recently-added per-block age-based extent_cache, atomic write support, and some
 folio cases.
 
 Enhancement:
  - add sysfs nodes to set last_age_weight and manage discard_io_aware_gran
  - show ipu policy in debugfs
  - reduce stack memory cost by using bitfield in struct f2fs_io_info
  - introduce trace_f2fs_replace_atomic_write_block
  - enhance iostat support and adds flush commands
 
 Bug fix:
  - revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
  - fix kernel crash on the atomic write abort flow
  - call clear_page_private_reference in .{release,invalid}_folio
  - support .migrate_folio for compressed inode
  - fix cgroup writeback accounting with fs-layer encryption
  - retry to update the inode page given data corruption
  - fix kernel crash due to null io->bio
  - fix some bugs in per-block age-based extent_cache:
     a. wrong calculation of block age
     b. update age extent in f2fs_do_zero_range()
     c. update age extent correctly during truncation
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Merge tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've got a huge number of patches that improve code
  readability along with minor bug fixes, while we've mainly fixed some
  critical issues in recently-added per-block age-based extent_cache,
  atomic write support, and some folio cases.

  Enhancements:

   - add sysfs nodes to set last_age_weight and manage
     discard_io_aware_gran

   - show ipu policy in debugfs

   - reduce stack memory cost by using bitfield in struct f2fs_io_info

   - introduce trace_f2fs_replace_atomic_write_block

   - enhance iostat support and adds flush commands

  Bug fixes:

   - revert "f2fs: truncate blocks in batch in __complete_revoke_list()"

   - fix kernel crash on the atomic write abort flow

   - call clear_page_private_reference in .{release,invalid}_folio

   - support .migrate_folio for compressed inode

   - fix cgroup writeback accounting with fs-layer encryption

   - retry to update the inode page given data corruption

   - fix kernel crash due to NULL io->bio

   - fix some bugs in per-block age-based extent_cache:
       - wrong calculation of block age
       - update age extent in f2fs_do_zero_range()
       - update age extent correctly during truncation"

* tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
  f2fs: drop unnecessary arg for f2fs_ioc_*()
  f2fs: Revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
  f2fs: synchronize atomic write aborts
  f2fs: fix wrong segment count
  f2fs: replace si->sbi w/ sbi in stat_show()
  f2fs: export ipu policy in debugfs
  f2fs: make kobj_type structures constant
  f2fs: fix to do sanity check on extent cache correctly
  f2fs: add missing description for ipu_policy node
  f2fs: fix to set ipu policy
  f2fs: fix typos in comments
  f2fs: fix kernel crash due to null io->bio
  f2fs: use iostat_lat_type directly as a parameter in the iostat_update_and_unbind_ctx()
  f2fs: add sysfs nodes to set last_age_weight
  f2fs: fix f2fs_show_options to show nogc_merge mount option
  f2fs: fix cgroup writeback accounting with fs-layer encryption
  f2fs: fix wrong calculation of block age
  f2fs: fix to update age extent in f2fs_do_zero_range()
  f2fs: fix to update age extent correctly during truncation
  f2fs: fix to avoid potential memory corruption in __update_iostat_latency()
  ...
2023-02-27 16:18:51 -08:00
George Kennedy 46d733d0ef vc_screen: modify vcs_size() handling in vcs_read()
Restore the vcs_size() handling in vcs_read() to what
it had been in previous version.

Fixes: 226fae124b ("vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF")
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: George Kennedy <george.kennedy@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27 16:10:38 -08:00
David Gow 32ff6831cd kunit: Fix 'hooks.o' build by recursing into kunit
KUnit's 'hooks.o' file need to be built-in whenever KUnit is enabled
(even if CONFIG_KUNIT=m).  We'd previously attemtped to do this by
adding 'kunit/hooks.o' to obj-y in lib/Makefile, but this caused hooks.c
to be rebuilt even when it was unchanged.

Instead, always recurse into lib/kunit using obj-y when KUnit is
enabled, and add the hooks there.

Fixes: 7170b7ed6a ("kunit: Add "hooks" to call into KUnit when it's built as a module").
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/linux-kselftest/CAHk-=wiEf7irTKwPJ0jTMOF3CS-13UXmF6Fns3wuWpOZ_wGyZQ@mail.gmail.com/
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-27 14:49:03 -08:00
Arınç ÜNAL 27fd827269 mips: ralink: make SOC_MT7621 select PINCTRL
Currently, out of every Ralink SoC, only the dt-binding of the MT7621 SoC
uses pinctrl. Because of this, PINCTRL is not selected at all. Make
SOC_MT7621 select PINCTRL.

Remove PINCTRL_MT7621, enabling it for the MT7621 SoC will be handled under
the PINCTRL_MT7621 option.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27 23:47:29 +01:00
Arınç ÜNAL f2b95d7a9f mips: remove SYS_HAS_CPU_MIPS32_R1 from RALINK
All MIPS processors on the Ralink SoCs implement the MIPS32 Release 2
Architecture. Remove SYS_HAS_CPU_MIPS32_R1.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27 23:46:50 +01:00
Jiaxun Yang 5ae7e037de MIPS: cevt-r4k: Offset the value used to clear compare interrupt
In c0_compare_int_usable we clear compare interrupt by write value
just read out from counter to compare register.

However sometimes if those all instructions are graduated together
then it's possible that at the time compare register is written, the
counter haven't progressed, thus the interrupt is triggered again.

It also applies to QEMU that instructions is executed significantly
faster then counter.

Offset the value used to clear interrupt by one to prevent that happen.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27 23:45:17 +01:00
Jiaxun Yang fea8826d5f MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
CP0_CMGCRBASE is not always available on CPS enabled system
such as early proAptiv.

For early SMP bring up where we can't safely access memeory,
we patch the entry of CPS NMI vector to inject CMGCR address
directly into register during early core bringup.

For VPE bringup as the core is already coherenct at that point
we just read the variable to obtain the address.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27 23:44:57 +01:00
Linus Torvalds 5ca26d6039 Including fixes from wireless and netfilter.
Current release - regressions:
 
  - phy: multiple fixes for EEE rework
 
  - wifi: wext: warn about usage only once
 
  - wifi: ath11k: allow system suspend to survive ath11k
 
 Current release - new code bugs:
 
  - mlx5: Fix memory leak in IPsec RoCE creation
 
  - ibmvnic: assign XPS map to correct queue index
 
 Previous releases - regressions:
 
  - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
 
  - netfilter: ctnetlink: make event listener tracking global
 
  - nf_tables: allow to fetch set elements when table has an owner
 
  - mlx5:
    - fix skb leak while fifo resync and push
    - fix possible ptp queue fifo use-after-free
 
 Previous releases - always broken:
 
  - sched: fix action bind logic
 
  - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver
    also uses a mutex
 
  - netfilter: conntrack: fix rmmod double-free race
 
  - netfilter: xt_length: use skb len to match in length_mt6,
    avoid issues with BIG TCP
 
 Misc:
 
  - ice: remove unnecessary CONFIG_ICE_GNSS
 
  - mlx5e: remove hairpin write debugfs files
 
  - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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

  The notable fixes here are the EEE fix which restores boot for many
  embedded platforms (real and QEMU); WiFi warning suppression and the
  ICE Kconfig cleanup.

  Current release - regressions:

   - phy: multiple fixes for EEE rework

   - wifi: wext: warn about usage only once

   - wifi: ath11k: allow system suspend to survive ath11k

  Current release - new code bugs:

   - mlx5: Fix memory leak in IPsec RoCE creation

   - ibmvnic: assign XPS map to correct queue index

  Previous releases - regressions:

   - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces

   - netfilter: ctnetlink: make event listener tracking global

   - nf_tables: allow to fetch set elements when table has an owner

   - mlx5:
      - fix skb leak while fifo resync and push
      - fix possible ptp queue fifo use-after-free

  Previous releases - always broken:

   - sched: fix action bind logic

   - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also
     uses a mutex

   - netfilter: conntrack: fix rmmod double-free race

   - netfilter: xt_length: use skb len to match in length_mt6, avoid
     issues with BIG TCP

  Misc:

   - ice: remove unnecessary CONFIG_ICE_GNSS

   - mlx5e: remove hairpin write debugfs files

   - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"

* tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
  tcp: tcp_check_req() can be called from process context
  net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard
  xen-netback: remove unused variables pending_idx and index
  net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
  net: dsa: ocelot_ext: remove unnecessary phylink.h include
  net: mscc: ocelot: fix duplicate driver name error
  net: dsa: felix: fix internal MDIO controller resource length
  net: dsa: seville: ignore mscc-miim read errors from Lynx PCS
  net/sched: act_sample: fix action bind logic
  net/sched: act_mpls: fix action bind logic
  net/sched: act_pedit: fix action bind logic
  wifi: wext: warn about usage only once
  wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
  qede: avoid uninitialized entries in coal_entry array
  nfc: fix memory leak of se_io context in nfc_genl_se_io
  ice: remove unnecessary CONFIG_ICE_GNSS
  net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy()
  ibmvnic: Assign XPS map to correct queue index
  docs: net: fix inaccuracies in msg_zerocopy.rst
  tools: net: add __pycache__ to gitignore
  ...
2023-02-27 14:05:08 -08:00
Chuck Lever fb5b855d9f SUNRPC: Properly terminate test case arrays
Unable to handle kernel paging request at virtual address 73657420 when execute
[73657420] *pgd=00000000
Internal error: Oops: 80000005 [#1] ARM
CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.2.0-rc7-00133-g373f26a81164-dirty #9
Hardware name: Generic DT based system
PC is at 0x73657420
LR is at kunit_run_tests+0x3e0/0x5f4

On x86 with GCC 12, the missing array terminators did not seem to
matter. Other platforms appear to be more picky.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-02-27 16:27:51 -05:00
Chuck Lever fe90151c3c SUNRPC: Let Kunit tests run with some enctypes compiled out
Allow the new GSS Kerberos encryption type test suites to run
outside of the kunit infrastructure. Replace the assertion that
fires when lookup_enctype() so that the case is skipped instead of
failing outright.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-02-27 16:26:48 -05:00
Eric Dumazet 580f98cc33 tcp: tcp_check_req() can be called from process context
This is a follow up of commit 0a375c8224 ("tcp: tcp_rtx_synack()
can be called from process context").

Frederick Lawler reported another "__this_cpu_add() in preemptible"
warning caused by the same reason.

In my former patch I took care of tcp_rtx_synack()
but forgot that tcp_check_req() also contained some SNMP updates.

Note that some parts of tcp_check_req() always run in BH context,
I added a comment to clarify this.

Fixes: 8336886f78 ("tcp: TCP Fast Open Server - support TFO listeners")
Link: https://lore.kernel.org/netdev/8cd33923-a21d-397c-e46b-2a068c287b03@cloudflare.com/T/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Frederick Lawler <fred@cloudflare.com>
Tested-by: Frederick Lawler <fred@cloudflare.com>
Link: https://lore.kernel.org/r/20230227083336.4153089-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27 11:59:29 -08:00
Oleksij Rempel 972074ea88 net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard
Without proper initialization, "changed" returned random numbers and caused
interface initialization failures.

Fixes: 022c3f87f8 ("net: phy: add genphy_c45_ethtool_get/set_eee() support")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230225071644.2754893-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27 11:41:49 -08:00
Tom Rix ccf8f7d714 xen-netback: remove unused variables pending_idx and index
building with gcc and W=1 reports
drivers/net/xen-netback/netback.c:886:21: error: variable
  ‘pending_idx’ set but not used [-Werror=unused-but-set-variable]
  886 |                 u16 pending_idx;
      |                     ^~~~~~~~~~~

pending_idx is not used so remove it.  Since index was only
used to set pending_idx, remove index as well.

Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230226163429.2351600-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27 11:28:20 -08:00
Jakub Kicinski 4db692d682 wireless fixes for v6.3
First set of fixes for v6.3. We have only three oneliners. The most
 important one is the patch reducing warnings about the Wireless
 Extensions usage, reported by Linus.
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Merge tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Kalle Valo says:

====================
wireless fixes for v6.3

First set of fixes for v6.3. We have only three oneliners. The most
important one is the patch reducing warnings about the Wireless
Extensions usage, reported by Linus.

* tag 'wireless-2023-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  wifi: wext: warn about usage only once
  wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
  wifi: ath11k: allow system suspend to survive ath11k
====================

Link: https://lore.kernel.org/r/20230227131053.BD779C433D2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-27 10:36:36 -08:00
Linus Torvalds 982818426a ARM: SoC fixes for 6.3, part 1
A few bugfixes already came up during the merge window. Samsung, ASpeed,
 Spear have minor DT changes, in case of Samsung this fixes a regression
 compared to earlier versions.
 
 Bartosz takes over as the primary maintainer for the TI DaVinci platform,
 and we get a few last minute defconfig changes.
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Merge tag 'arm-fixes-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few bugfixes already came up during the merge window. Samsung,
  ASpeed, Spear have minor DT changes, in case of Samsung this fixes a
  regression compared to earlier versions.

  Bartosz takes over as the primary maintainer for the TI DaVinci
  platform, and we get a few last minute defconfig changes"

* tag 'arm-fixes-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: dts: spear320-hmi: correct STMPE GPIO compatible
  ARM: dts: aspeed: p10bmc: Update battery node name
  arm64: defconfig: Add IOSCHED_BFQ to the default configs
  arm64: defconfig: Fix unintentional disablement of PCI on i.MX
  ARM: dts: exynos: correct TMU phandle in Odroid XU3 family
  ARM: dts: exynos: correct TMU phandle in Odroid HC1
  ARM: dts: exynos: correct TMU phandle in Odroid XU
  ARM: dts: exynos: correct TMU phandle in Exynos5250
  ARM: dts: exynos: correct TMU phandle in Exynos4210
  ARM: dts: exynos: correct TMU phandle in Exynos4
  MAINTAINERS: make me the maintainer of DaVinci platforms
2023-02-27 10:09:40 -08:00
Linus Torvalds 11c7052998 ARM: SoC drivers for 6.3
As usual, there are lots of minor driver changes across SoC platforms
 from  NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
 These usually add support for additional chip variations in existing
 drivers, but also add features or bugfixes.
 
 The SCMI firmware subsystem gains a unified raw userspace interface
 through debugfs, which can be used for validation purposes.
 
 Newly added drivers include:
 
  - New power management drivers for StarFive JH7110, Allwinner D1 and
    Renesas RZ/V2M
 
  - A driver for Qualcomm battery and power supply status
 
  - A SoC device driver for identifying Nuvoton WPCM450 chips
 
  - A regulator coupler driver for Mediatek MT81xxv
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Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "As usual, there are lots of minor driver changes across SoC platforms
  from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
  These usually add support for additional chip variations in existing
  drivers, but also add features or bugfixes.

  The SCMI firmware subsystem gains a unified raw userspace interface
  through debugfs, which can be used for validation purposes.

  Newly added drivers include:

   - New power management drivers for StarFive JH7110, Allwinner D1 and
     Renesas RZ/V2M

   - A driver for Qualcomm battery and power supply status

   - A SoC device driver for identifying Nuvoton WPCM450 chips

   - A regulator coupler driver for Mediatek MT81xxv"

* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
  power: supply: Introduce Qualcomm PMIC GLINK power supply
  soc: apple: rtkit: Do not copy the reg state structure to the stack
  soc: sunxi: SUN20I_PPU should depend on PM
  memory: renesas-rpc-if: Remove redundant division of dummy
  soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
  dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
  dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
  firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
  MAINTAINERS: Update qcom CPR maintainer entry
  dt-bindings: firmware: document Qualcomm SM8550 SCM
  dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
  soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
  dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
  soc: qcom: socinfo: Add support for new field in revision 17
  soc: qcom: smd-rpm: Add IPQ9574 compatible
  soc: qcom: pmic_glink: remove redundant calculation of svid
  soc: qcom: stats: Populate all subsystem debugfs files
  dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
  soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
  soc: qcom: pmic_glink: Introduce altmode support
  ...
2023-02-27 10:04:49 -08:00
KP Singh e02b50ca44 Documentation/hw-vuln: Document the interaction between IBRS and STIBP
Explain why STIBP is needed with legacy IBRS as currently implemented
(KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled.

Fixes: 7c693f54c8 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230227060541.1939092-2-kpsingh@kernel.org
2023-02-27 19:02:47 +01:00
KP Singh 6921ed9049 x86/speculation: Allow enabling STIBP with legacy IBRS
When plain IBRS is enabled (not enhanced IBRS), the logic in
spectre_v2_user_select_mitigation() determines that STIBP is not needed.

The IBRS bit implicitly protects against cross-thread branch target
injection. However, with legacy IBRS, the IBRS bit is cleared on
returning to userspace for performance reasons which leaves userspace
threads vulnerable to cross-thread branch target injection against which
STIBP protects.

Exclude IBRS from the spectre_v2_in_ibrs_mode() check to allow for
enabling STIBP (through seccomp/prctl() by default or always-on, if
selected by spectre_v2_user kernel cmdline parameter).

  [ bp: Massage. ]

Fixes: 7c693f54c8 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Reported-by: José Oliveira <joseloliveira11@gmail.com>
Reported-by: Rodrigo Branco <rodrigo@kernelhacking.com>
Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230220120127.1975241-1-kpsingh@kernel.org
Link: https://lore.kernel.org/r/20230221184908.2349578-1-kpsingh@kernel.org
2023-02-27 18:57:09 +01:00
Linus Torvalds d40b2f4c94 fuse update for 6.3
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Merge tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse updates from Miklos Szeredi:

 - Fix regression in fileattr permission checking

 - Fix possible hang during PID namespace destruction

 - Add generic support for request extensions

 - Add supplementary group list extension

 - Add limited support for supplying supplementary groups in create
   requests

 - Documentation fixes

* tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: add inode/permission checks to fileattr_get/fileattr_set
  fuse: fix all W=1 kernel-doc warnings
  fuse: in fuse_flush only wait if someone wants the return code
  fuse: optional supplementary group in create requests
  fuse: add request extension
2023-02-27 09:53:58 -08:00
Linus Torvalds da15efe1a8 MMC core:
- Extend slot-gpio to be used for host specific card detect interrupts
  - Align to common busy polling behaviour for mmc ioctls
  - Suggest the BFQ I/O scheduler to be built along with MMC/SD support
  - Add devm_mmc_alloc_host() to enable further cleanups in host drivers
 
 MMC host:
  - atmel-mci: Fix race condition when stopping/starting a command
  - dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
  - dw_mmc-rockchip: Add support for the RK3588 variant
  - jz4740: Add support for the vqmmc power supply
  - meson-gx: Convert the DT bindings to the dt-schema
  - meson-gx: Enable the platform interrupt to be used for card detect
  - moxart: Set the supported maximum request/block/segment sizes
  - renesas,sdhi: Add support for the RZ/V2M variants
  - sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
  - sdhci-esdhc-imx: Improve tuning logic support
  - sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
  - sdhci-of-dwcmshc: Add the missing device table IDs for acpi
  - sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
  - sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
  - sdhci-pxav2: Add support for the PXA168 V1 variant
  - sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
  - uniphier-sd: Add support for SD UHS-I speed modes
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Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Extend slot-gpio to be used for host specific card detect interrupts
   - Align to common busy polling behaviour for mmc ioctls
   - Suggest the BFQ I/O scheduler to be built along with MMC/SD support
   - Add devm_mmc_alloc_host() to enable further cleanups in host drivers

  MMC host:
   - atmel-mci: Fix race condition when stopping/starting a command
   - dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
   - dw_mmc-rockchip: Add support for the RK3588 variant
   - jz4740: Add support for the vqmmc power supply
   - meson-gx: Convert the DT bindings to the dt-schema
   - meson-gx: Enable the platform interrupt to be used for card detect
   - moxart: Set the supported maximum request/block/segment sizes
   - renesas,sdhi: Add support for the RZ/V2M variants
   - sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
   - sdhci-esdhc-imx: Improve tuning logic support
   - sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
   - sdhci-of-dwcmshc: Add the missing device table IDs for acpi
   - sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
   - sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
   - sdhci-pxav2: Add support for the PXA168 V1 variant
   - sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
   - uniphier-sd: Add support for SD UHS-I speed modes"

* tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits)
  mmc: meson-gx: Use devm_platform_get_and_ioremap_resource()
  mmc: meson-gx: constify member data of struct meson_host
  mmc: meson-gx: use devm_clk_get_enabled() for core clock
  mmc: core: fix return value check in devm_mmc_alloc_host()
  dt-bindings: mmc: meson-gx: fix interrupt binding
  mmc: meson-gx: support platform interrupt as card detect interrupt
  dt-bindings: mmc: meson-gx: support specifying cd interrupt
  mmc: core: support setting card detect interrupt from drivers
  mmc: starfive: Add sdio/emmc driver support
  dt-bindings: mmc: Add StarFive MMC module
  dt-bindings: mmc: sdhci-msm: Allow 1 icc path
  dt-bindings: mmc: rockchip-dw-mshc: Add RK3588 compatible string
  mmc: core: Align to common busy polling behaviour for mmc ioctls
  dt-bindings: mmc: Add resets property to cadence SDHCI binding
  mmc: meson-gx: remove meson_mmc_get_cd
  mmc: moxart: set maximum request/block/segment sizes
  mmc: sdhci-brcmstb: Use devm_platform_get_and_ioremap_resource()
  mmc: sdhci-of-dwcmshc: add the missing device table IDs for acpi
  mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform
  mmc: jz4740: Add support for vqmmc power supply
  ...
2023-02-27 09:47:26 -08:00
Linus Torvalds 6ffb575beb dma-mapping updates for Linux 6.3
- remove a not very useful and now unused swiotlb API
    (Christoph Hellwig)
  - fix a section mismatch (Randy Dunlap)
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Merge tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - remove a not very useful and now unused swiotlb API (Christoph
   Hellwig)

 - fix a section mismatch (Randy Dunlap)

* tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: mark swiotlb_memblock_alloc() as __init
  swiotlb: remove swiotlb_max_segment
2023-02-27 09:38:51 -08:00
Linus Torvalds 5a6d92493b memblock: small optimizations
* fix off-by-one in the check whether memblock_add_range() should
   reallocate memory to accommodate newly inserted range
 * check only for relevant regions in memblock_merge_regions() rather than
   swipe over the entire array
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Merge tag 'memblock-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:
 "Small optimizations:

   - fix off-by-one in the check whether memblock_add_range() should
     reallocate memory to accommodate newly inserted range

   - check only for relevant regions in memblock_merge_regions() rather
     than swipe over the entire array"

* tag 'memblock-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock: Avoid useless checks in memblock_merge_regions().
  memblock: Make a boundary tighter in memblock_add_range().
2023-02-27 09:34:53 -08:00
Linus Torvalds 02a737f4bb m68knommu: updates and fixes for v6.3
Fixes include:
 . misspelling corrections
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Merge tag 'm68knommu-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:

 - spelling fixes

* tag 'm68knommu-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: nommu: Fix misspellings of "DragonEngine"
  m68k: nommu: Fix misspellings of "uCdimm"
2023-02-27 09:31:02 -08:00
Linus Torvalds b6cc7a0436 rch/csky patches for 6.3
The pull request we've done:
  - Optimize delay accuracy
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Merge tag 'csky-for-linus-6.3' of https://github.com/c-sky/csky-linux

Pull csky update from Guo Ren:

 - Optimize delay accuracy

* tag 'csky-for-linus-6.3' of https://github.com/c-sky/csky-linux:
  csky: delay: Add function alignment
2023-02-27 09:27:31 -08:00
Darrick J. Wong 6e2985c938 xfs: restore old agirotor behavior
Prior to the removal of xfs_ialloc_next_ag, we would increment the agi
rotor and return the *old* value.  atomic_inc_return returns the new
value, which causes mkfs to allocate the root directory in AG 1.  Put
back the old behavior (at least for mkfs) by subtracting 1 here.

Fixes: 20a5eab49d ("xfs: convert xfs_ialloc_next_ag() to an atomic")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-02-27 08:53:45 -08:00
Harald Freudenberger ebf95e8846 s390/ap,zcrypt,vfio: introduce and use ap_queue_status_reg union
Introduce a new ap queue status register wrapper union to access register
wide values. So the inline assembler only sees register wide values but the
surrounding code may use a more structured view of the same value and a
reader of the code (and the compiler) gets a clear understanding about the
mapping between fields and register values.

All the changes to access the ap queue status are local to the inline
functions within ap.h. However, the struct ap_qirq_ctrl has been replaces
by a union for same reason and this needed slight adaptions in the calling
code.

Suggested-by: Halil Pasic <pasic@linux.ibm.com>
Suggested-by: Andreas Arnez <arnez@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2023-02-27 15:29:36 +01:00
Nico Boehr ae4b60f6b7 s390/nmi: fix virtual-physical address confusion
When a machine check is received while in SIE, it is reinjected into the
guest in some cases. The respective code needs to access the sie_block,
which is taken from the backed up R14.

Since reinjection only occurs while we are in SIE (i.e. between the
labels sie_entry and sie_leave in entry.S and thus if CIF_MCCK_GUEST is
set), the backed up R14 will always contain a physical address in
s390_backup_mcck_info.

This currently works, because virtual and physical addresses are
the same.

Add phys_to_virt() to resolve the virtual-physical confusion.

Signed-off-by: Nico Boehr <nrb@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/r/20230216121208.4390-2-nrb@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2023-02-27 15:29:36 +01:00
Vasily Gorbik 8ee0d2fb4d s390/setup: do not complain about parameters handled in decompressor
Currently there are several kernel command line parameters which are
only parsed and handled in decompressor and not known to the kernel.
This leads to the following error message during kernel boot:

Unknown kernel command line parameters "mem=3G nokaslr", will be passed
to user space.

To avoid confusion, register those parameters with an empty stub so that
kernel does not complain about them.

Reported-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2023-02-27 15:29:36 +01:00
Keith Busch c0c33b94cf nvme: fix sparse warning on effects masking
The log entries are stored in le32, so use appropriate byte swapping
macros.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302242222.PevBhzvC-lkp@intel.com/
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2023-02-27 06:56:04 -07:00
Arnd Bergmann 9f79762ef8 Fixes for Samsung DTS ARM for v6.3
Thermal framework commit 3fd6d6e2b4 ("thermal/of: Rework the thermal
 device tree initialization") merged in v6.1-rc1, exposed
 misconfiguration of Exynos Thermal Monitoring Unit (TMU) thermal-sensors
 property in DTS.  This misconfiguration in DTS was working fine before
 that Thermal commit, but now all thermal zones fail to register except
 the first one (CPU).  This can lead to missing cooling of a board and
 eventually either emergency shutdown or damaged board.
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Merge tag 'samsung-dt-fixes-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes

Fixes for Samsung DTS ARM for v6.3

Thermal framework commit 3fd6d6e2b4 ("thermal/of: Rework the thermal
device tree initialization") merged in v6.1-rc1, exposed
misconfiguration of Exynos Thermal Monitoring Unit (TMU) thermal-sensors
property in DTS.  This misconfiguration in DTS was working fine before
that Thermal commit, but now all thermal zones fail to register except
the first one (CPU).  This can lead to missing cooling of a board and
eventually either emergency shutdown or damaged board.

* tag 'samsung-dt-fixes-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: exynos: correct TMU phandle in Odroid XU3 family
  ARM: dts: exynos: correct TMU phandle in Odroid HC1
  ARM: dts: exynos: correct TMU phandle in Odroid XU
  ARM: dts: exynos: correct TMU phandle in Exynos5250
  ARM: dts: exynos: correct TMU phandle in Exynos4210
  ARM: dts: exynos: correct TMU phandle in Exynos4

Link: https://lore.kernel.org/r/20230221095337.9453-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-27 14:47:00 +01:00
Krzysztof Kozlowski 33a0c1b850
ARM: dts: spear320-hmi: correct STMPE GPIO compatible
The compatible is st,stmpe-gpio.

Fixes: e2eb69183e ("ARM: SPEAr320: DT: Add SPEAr 320 HMI board support")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20230225162237.40242-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-27 14:46:30 +01:00
Eddie James a8cef541dd
ARM: dts: aspeed: p10bmc: Update battery node name
The ADC sensor for the battery needs to be named "iio-hwmon" for
compatibility with user space applications.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230202152759.67069-1-eajames@linux.ibm.com
Fixes: bf1914e2cf ("ARM: dts: aspeed: p10bmc: Fix ADC iio-hwmon battery node name")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230221003352.1218797-1-joel@jms.id.au
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-27 14:46:15 +01:00
Linus Walleij e505e6bf42
arm64: defconfig: Add IOSCHED_BFQ to the default configs
ARM64 systems are often memory constrained and more often than not
use slow single-channel storage such as flash memory or MMC/SD-cards.
For any interactive systems (such as mobile phones, tablets,
chromebooks...) the BFQ I/O scheduler will be desireable.

Make sure the BFQ I/O scheduler is available on these systems.

ARM (32), Loongarch, MIPS, m68k, UM and S390 has also enabled BFQ in
their defconfigs, cf commit b495dfed70
"um: Cleanup CONFIG_IOSCHED_CFQ" where the motivation is that
it replaces the former CFQ scheduler.

Cc: linux-arm-kernel@lists.infradead.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230224135230.2295826-1-linus.walleij@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-27 14:45:55 +01:00
Mark Brown 0cd5780eb6
arm64: defconfig: Fix unintentional disablement of PCI on i.MX
A recent update to support PCI endpoint mode on i.MX platforms
unintentionally disabled PCI host support for i.MX in defconfig.  The
existing PCI_IMX6 was made a hidden option, selected by new options
PCI_IMX6_HOST (for the existing support) and PCI_IMX6_EP (for the
endpoint mode), but there has been no corresponding update to defconfig
so the PCI_IMX6 ends up getting disabled.  Switch defconfig to
PCI_IMX6_HOST to preserve the existing functionality.

Fixes: 75c2f26da0 ("PCI: imx6: Add i.MX PCIe EP mode support")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Link: https://lore.kernel.org/r/20230220-imx-pci-defconfig-v1-1-2210cf08340e@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-27 14:45:00 +01:00
Pedro Tammela 923b2e30dc net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
TCA_EXT_WARN_MSG is currently sitting outside of the expected hierarchy
for the tc actions code. It should sit within TCA_ACT_TAB.

Fixes: 0349b8779c ("sched: add new attr TCA_EXT_WARN_MSG to report tc extact message")
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-02-27 12:16:34 +00:00
Namjae Jeon 8258ef2800 exfat: handle unreconized benign secondary entries
Sony PXW-Z280 camera add vendor allocation entries to directory of
pictures. Currently, linux exfat does not support it and the file is
not visible. This patch handle vendor extension and allocation entries
as unreconized benign secondary entries. As described in the specification,
it is recognized but ignored, and when deleting directory entry set,
the associated clusters allocation are removed as well as benign secondary
directory entries.

Reported-by: Barócsi Dénes <admin@tveger.hu>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Reviewed-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-02-27 21:14:46 +09:00
Yuezhang Mo 39c1ce8eaf exfat: fix inode->i_blocks for non-512 byte sector size device
inode->i_blocks is not real number of blocks, but 512 byte ones.

Fixes: 98d917047e ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Tested-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-02-27 21:14:45 +09:00
Sungjong Seo bdaadfd343 exfat: redefine DIR_DELETED as the bad cluster number
When a file or a directory is deleted, the hint for the cluster of
its parent directory in its in-memory inode is set as DIR_DELETED.
Therefore, DIR_DELETED must be one of invalid cluster numbers. According
to the exFAT specification, a volume can have at most 2^32-11 clusters.
However, DIR_DELETED is wrongly defined as 0xFFFF0321, which could be
a valid cluster number. To fix it, let's redefine DIR_DELETED as
0xFFFFFFF7, the bad cluster number.

Fixes: 1acf1a564b ("exfat: add in-memory and on-disk structures and headers")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-02-27 21:14:45 +09:00
Yuezhang Mo 706fdcac00 exfat: fix reporting fs error when reading dir beyond EOF
Since seekdir() does not check whether the position is valid, the
position may exceed the size of the directory. We found that for
a directory with discontinuous clusters, if the position exceeds
the size of the directory and the excess size is greater than or
equal to the cluster size, exfat_readdir() will return -EIO,
causing a file system error and making the file system unavailable.

Reproduce this bug by:

seekdir(dir, dir_size + cluster_size);
dirent = readdir(dir);

The following log will be printed if mount with 'errors=remount-ro'.

[11166.712896] exFAT-fs (sdb1): error, invalid access to FAT (entry 0xffffffff)
[11166.712905] exFAT-fs (sdb1): Filesystem has been set read-only

Fixes: 1e5654de0f ("exfat: handle wrong stream entry size in exfat_readdir()")
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-02-27 21:14:45 +09:00
Yuezhang Mo 6cb5d1a16a exfat: fix unexpected EOF while reading dir
If the position is not aligned with the dentry size, the return
value of readdir() will be NULL and errno is 0, which means the
end of the directory stream is reached.

If the position is aligned with dentry size, but there is no file
or directory at the position, exfat_readdir() will continue to
get dentry from the next dentry. So the dentry gotten by readdir()
may not be at the position.

After this commit, if the position is not aligned with the dentry
size, round the position up to the dentry size and continue to get
the dentry.

Fixes: ca06197382 ("exfat: add directory operations")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-02-27 21:14:44 +09:00
Jiaxun Yang dd8314739a MIPS: Remove DMA_PERDEV_COHERENT
As now we are always managing DMA coherence on per dev bias,
there is no need to have such option. And it's not selected
by any platform.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-02-27 12:44:52 +01:00
Geert Uytterhoeven ff30bd6a66 sh: clk: Fix clk_enable() to return 0 on NULL clk
On SH, devm_clk_get_optional_enabled() fails with -EINVAL if the clock
is not found.  This happens because __devm_clk_get() assumes it can pass
a NULL clock pointer (as returned by clk_get_optional()) to the init()
function (clk_prepare_enable() in this case), while the SH
implementation of clk_enable() considers that an error.

Fix this by making the SH clk_enable() implementation return zero
instead, like the Common Clock Framework does.

Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/b53e6b557b4240579933b3359dda335ff94ed5af.1675354849.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
2023-02-27 10:50:48 +01:00
Michael Karcher 250870824c sh: intc: Avoid spurious sizeof-pointer-div warning
GCC warns about the pattern sizeof(void*)/sizeof(void), as it looks like
the abuse of a pattern to calculate the array size. This pattern appears
in the unevaluated part of the ternary operator in _INTC_ARRAY if the
parameter is NULL.

The replacement uses an alternate approach to return 0 in case of NULL
which does not generate the pattern sizeof(void*)/sizeof(void), but still
emits the warning if _INTC_ARRAY is called with a nonarray parameter.

This patch is required for successful compilation with -Werror enabled.

The idea to use _Generic for type distinction is taken from Comment #7
in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108483 by Jakub Jelinek

Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/619fa552-c988-35e5-b1d7-fe256c46a272@mkarcher.dialup.fu-berlin.de
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
2023-02-27 10:49:43 +01:00
Linus Torvalds f3a2439f20 remoteproc updates for v6.3
Support for PRU clients to acquire a control reference to the PRU
 instances is introduced, and the PRU now allows specifying firmware-name
 in Devicetree.  sysfs is requested to be read-only when the remoteproc
 instance is consumed by another kernel driver.
 
 Support for the C7xv DSP on AM62A SoC is introduced.
 
 The Devicetree binding for the Qualcomm PAS devices are split up in
 multiple files, to better account for the differences in resources
 between them. A number of missing Devicetree bindings are added, and the
 Qualcomm WCNSS binding is converted to YAML.
 
 A few cleanups are introduced for the Mediatek SCP driver. And a sanity
 check of the firmware image is introduced in the Mediatek driver.
 
 For Qualcomm SC7280 ADSP support is added, MSM8953 gains ADSP and modem
 support, SM6115 and SM8550 gains ADSP, CDSP and modem support, and
 support for pronto v3 support (used on e.g. MSM8953) is added.
 
 The Qualcomm modem remoteproc driver is modified to use a no-map
 reserved-memory region for it's authentication metadata, in order to
 avoid fatal security violations caused by accesses from Linux during
 the authentication process.
 
 Support for separate loading of a Devicetree blob is added to the PAS
 driver, and support for the PAS driver to carve out DSM memory for the
 modem is added as well.
 
 The Qualcomm ADSP remoteproc driver gains support for mapping memory
 into specific range using the IOMMU. The sysmon driver is transitioned
 to strlcpy()
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Merge tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - Support for PRU clients to acquire a control reference to the PRU
   instances is introduced, and the PRU now allows specifying
   firmware-name in Devicetree. sysfs is requested to be read-only when
   the remoteproc instance is consumed by another kernel driver

 - Support for the C7xv DSP on AM62A SoC is introduced

 - The Devicetree binding for the Qualcomm PAS devices are split up in
   multiple files, to better account for the differences in resources
   between them. A number of missing Devicetree bindings are added, and
   the Qualcomm WCNSS binding is converted to YAML

 - A few cleanups are introduced for the Mediatek SCP driver. And a
   sanity check of the firmware image is introduced in the Mediatek
   driver

 - For Qualcomm SC7280 ADSP support is added, MSM8953 gains ADSP and
   modem support, SM6115 and SM8550 gains ADSP, CDSP and modem support,
   and support for pronto v3 support (used on e.g. MSM8953) is added

 - The Qualcomm modem remoteproc driver is modified to use a no-map
   reserved-memory region for it's authentication metadata, in order to
   avoid fatal security violations caused by accesses from Linux during
   the authentication process

 - Support for separate loading of a Devicetree blob is added to the PAS
   driver, and support for the PAS driver to carve out DSM memory for
   the modem is added as well

 - The Qualcomm ADSP remoteproc driver gains support for mapping memory
   into specific range using the IOMMU. The sysmon driver is
   transitioned to strlcpy()

* tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (69 commits)
  dt-bindings: mailbox: qcom,apcs-kpss-global: drop mbox-names from example
  dt-bindings: remoteproc: qcom,glink-edge: correct label description
  dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
  dt-bindings: remoteproc: qcom,sm8550-pas: correct power domains
  remoteproc: qcom_q6v5_pas: enable sm8550 adsp & cdsp autoboot
  dt-bindings: remoteproc: qcom: Add sm6115 pas yaml file
  remoteproc: qcom: pas: Add sm6115 remoteprocs
  remoteproc: qcom: pas: Adjust the phys addr wrt the mem region
  remoteproc: qcom: fix sparse warnings
  remoteproc: qcom: replace kstrdup with kstrndup
  remoteproc: mediatek: Check the SCP image format
  remoteproc: qcom_q6v5_mss: Use a carveout to authenticate modem headers
  Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use"
  dt-bindings: remoteproc: qcom,sc7280-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,sc7180-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region
  dt-bindings: remoteproc: qcom,q6v5: Move MSM8996 to schema
  remoteproc: qcom_q6v5_pas: add sm8550 adsp, cdsp & mpss compatible & data
  remoteproc: qcom_q6v5_pas: add support for assigning memory to firmware
  remoteproc: qcom_q6v5_pas: add support for dtb co-firmware loading
  ...
2023-02-26 12:18:36 -08:00
Linus Torvalds cc38a46de7 rpmsg updates for v6.3
rpmsg ctrl and char driver locking is ensure ordering in cases where the
 communication link is being torn down in parallel with calls to open(2)
 or poll(2).
 
 The glink driver is refactored, to move rpm/smem-specifics out of the
 common logic and better suite further improvements, such as transports
 without a mailbox controller. The handling of remoteproc shutdown is
 improved, to fail clients immediately instead of having them to wait for
 timeouts. A driver_override memory leak is corrected and a few spelling
 improvements are introduced.
 
 glink_ssr is transitioned off strlcpy() and "gpr" is added as a valid
 child node of the glink-edge DT binding.
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Merge tag 'rpmsg-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:

 - rpmsg ctrl and char driver locking is ensure ordering in cases where
   the communication link is being torn down in parallel with calls to
   open(2) or poll(2)

 - The glink driver is refactored, to move rpm/smem-specifics out of the
   common logic and better suite further improvements, such as
   transports without a mailbox controller. The handling of remoteproc
   shutdown is improved, to fail clients immediately instead of having
   them to wait for timeouts. A driver_override memory leak is corrected
   and a few spelling improvements are introduced

 - glink_ssr is transitioned off strlcpy() and "gpr" is added as a valid
   child node of the glink-edge DT binding

* tag 'rpmsg-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: glink: Release driver_override
  rpmsg: glink: Avoid infinite loop on intent for missing channel
  rpmsg: glink: Fix GLINK command prefix
  rpmsg: glink: Fix spelling of peek
  rpmsg: glink: Cancel pending intent requests at removal
  rpmsg: glink: Fail qcom_glink_tx() once remove has been initiated
  rpmsg: glink: Move irq and mbox handling to transports
  rpmsg: glink: rpm: Wrap driver context
  rpmsg: glink: smem: Wrap driver context
  rpmsg: glink: Extract tx kick operation
  rpmsg: glink: Include types in qcom_glink_native.h
  rpmsg: ctrl: Add lock to rpmsg_ctrldev_remove
  rpmsg: char: Add lock to avoid race when rpmsg device is released
  rpmsg: move from strlcpy with unused retval to strscpy
  dt-bindings: remoteproc: qcom,glink-edge: add GPR node
2023-02-26 12:10:28 -08:00
Linus Torvalds 9b0b0dd857 hwspinlock changes for v6.3
This updates the sun6i DT binding, to allow (and require) #hwlock-cells,
 and it makes use of device_match_of_node() to slightly clean up the
 condition in of_hwspin_lock_get_id().
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Merge tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This updates the sun6i DT binding to allow (and require) #hwlock-cells
  and makes use of device_match_of_node() to slight clean up the
  condition in of_hwspin_lock_get_id()"

* tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  dt-bindings: hwlock: sun6i: Add #hwlock-cells to example
  dt-bindings: hwlock: sun6i: Add missing #hwlock-cells
  hwspinlock: Use device_match_of_node()
2023-02-26 12:05:38 -08:00
Linus Torvalds 498a1cf902 Kbuild updates for v6.3
- Change V=1 option to print both short log and full command log.
 
  - Allow V=1 and V=2 to be combined as V=12.
 
  - Make W=1 detect wrong .gitignore files.
 
  - Tree-wide cleanups for unused command line arguments passed to Clang.
 
  - Stop using -Qunused-arguments with Clang.
 
  - Make scripts/setlocalversion handle only correct release tags instead
    of any arbitrary annotated tag.
 
  - Create Debian and RPM source packages without cleaning the source tree.
 
  - Various cleanups for packaging.
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Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Change V=1 option to print both short log and full command log

 - Allow V=1 and V=2 to be combined as V=12

 - Make W=1 detect wrong .gitignore files

 - Tree-wide cleanups for unused command line arguments passed to Clang

 - Stop using -Qunused-arguments with Clang

 - Make scripts/setlocalversion handle only correct release tags instead
   of any arbitrary annotated tag

 - Create Debian and RPM source packages without cleaning the source
   tree

 - Various cleanups for packaging

* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
  kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
  docs: kbuild: remove description of KBUILD_LDS_MODULE
  .gitattributes: use 'dts' diff driver for *.dtso files
  kbuild: deb-pkg: improve the usability of source package
  kbuild: deb-pkg: fix binary-arch and clean in debian/rules
  kbuild: tar-pkg: use tar rules in scripts/Makefile.package
  kbuild: make perf-tar*-src-pkg work without relying on git
  kbuild: deb-pkg: switch over to source format 3.0 (quilt)
  kbuild: deb-pkg: make .orig tarball a hard link if possible
  kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
  kbuild: srcrpm-pkg: create source package without cleaning
  kbuild: rpm-pkg: build binary packages from source rpm
  kbuild: deb-pkg: create source package without cleaning
  kbuild: add a tool to list files ignored by git
  Documentation/llvm: add Chimera Linux, Google and Meta datacenters
  setlocalversion: use only the correct release tag for git-describe
  setlocalversion: clean up the construction of version output
  .gitignore: ignore *.cover and *.mbx
  kbuild: remove --include-dir MAKEFLAG from top Makefile
  kbuild: fix trivial typo in comment
  ...
2023-02-26 11:53:25 -08:00
Linus Torvalds 4b8c673b76 media updates for v6.3-rc1
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Merge tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Removal of several VB1-only deprecated drivers: cpia2, fsl-viu, meye,
   stkwebcam, tm6000, vpfe_capture and zr364xx

 - saa7146 recovered from staging/deprecated. We opted to give ti a
   chance, and, instead of deprecating it, the intention is to write
   patches migrating it from VB1 to VB2.

 - av7110 returned from staging/deprecated/ to staging/ as we're not
   planning on dropping it any time soon

 - media controller API has gained experimental support for G_ROUTING
   and streams API. No drivers use it right now. We're planning to add
   one after -rc1, giving some time to experience the API and eventually
   have changes during the next development cycle

 - New sensor drivers: imx296, imx415, ov8858

 - Atomisp had lots of changes, specially on its sensor's interface,
   making atomisp sensor drivers closer to normal sensor drivers

 - media controller kAPI has gained some helpers to traverse pipelines

 - uvcvideo now better support power line control

 - lots of bug fixes, cleanups and driver improvements

* tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (296 commits)
  media: imx-mipi-csis: Check csis_fmt validity before use
  media: v4l2-subdev.c: clear stream field
  media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line
  media: Revert "media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci"
  media: Revert "media: av7110: move to staging/media/deprecated/saa7146"
  media: imx-pxp: convert to regmap
  media: imx-pxp: Use non-threaded IRQ
  media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers
  media: imx-pxp: Implement frame size enumeration
  media: imx-pxp: Pass pixel format value to find_format()
  media: imx-pxp: Add media controller support
  media: imx-pxp: Don't set bus_info manually in .querycap()
  media: imx-pxp: Sort headers alphabetically
  media: imx-pxp: add support for i.MX7D
  media: imx-pxp: make data_path_ctrl0 platform dependent
  media: imx-pxp: disable LUT block
  media: imx-pxp: explicitly disable unused blocks
  media: imx-pxp: extract helper function to setup data path
  media: imx-pxp: detect PXP version
  media: dt-bindings: media: fsl-pxp: convert to yaml
  ...
2023-02-26 11:47:26 -08:00