When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock
has to be held, otherwise, all kinds of bugs(list corruption, hard lockup,
..) can be triggered from blkg_destroy_all().
Fixes: f1c006f1c6 ("blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: xiaoli feng <xifeng@redhat.com>
Cc: Chunyu Hu <chuhu@redhat.com>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230817141751.1128970-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit 137380c0ec renamed 'rnbd-client' to 'rnbd_client', this changed
sysfs interface to /sys/devices/virtual/rnbd_client/ctl/map_device
from /sys/devices/virtual/rnbd-client/ctl/map_device.
CC: Ivan Orlov <ivan.orlov0322@gmail.com>
CC: "Md. Haris Iqbal" <haris.iqbal@ionos.com>
CC: Jack Wang <jinpu.wang@ionos.com>
Fixes: 137380c0ec ("block/rnbd: make all 'class' structures const")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20230816022210.2501228-1-lizhijian@fujitsu.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
set up for the target thread and that the thread sees the ZT registers
set via ptrace.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Two more SME fixes related to ptrace(): ensure that the SME is
properly set up for the target thread and that the thread sees
the ZT registers set via ptrace"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/ptrace: Ensure that the task sees ZT writes on first use
arm64/ptrace: Ensure that SME is set up for target when writing SSVE state
- fix a regression in the sysfs interface
- fix a reference counting bug that's been around for years
- MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix a regression in the sysfs interface
- fix a reference counting bug that's been around for years
- MAINTAINERS update
* tag 'gpio-fixes-for-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: fix reference leaks when removing GPIO chips still in use
gpiolib: sysfs: Do unexport GPIO when user asks for it
MAINTAINERS: add content regex for gpio-regmap
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Merge tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fix from Steve French:
"A small SMB mount option fix, also for stable"
* tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix null auth
* A fix to avoid excessive rejections from seccomp RET_ERRNO rules.
* A fix for compressed jal/jalr decoding.
* A pair of fixes for independent irq/softirq stacks on kernels built
with CONFIG_FRAME_POINTER=n.
* A fix to avoid a hang handling uaccess fixups.
* Another build fix for toolchain ISA strings, this time for Zicsr and
Zifenci on old GNU toolchains.
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Merge tag 'riscv-for-linus-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- avoid excessive rejections from seccomp RET_ERRNO rules
- compressed jal/jalr decoding fix
- fixes for independent irq/softirq stacks on kernels built with
CONFIG_FRAME_POINTER=n
- avoid a hang handling uaccess fixups
- another build fix for toolchain ISA strings, this time for Zicsr and
Zifenci on old GNU toolchains
* tag 'riscv-for-linus-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Handle zicsr/zifencei issue between gcc and binutils
riscv: uaccess: Return the number of bytes effectively not copied
riscv: stack: Fixup independent softirq stack for CONFIG_FRAME_POINTER=n
riscv: stack: Fixup independent irq stack for CONFIG_FRAME_POINTER=n
riscv: correct riscv_insn_is_c_jr() and riscv_insn_is_c_jalr()
riscv: entry: set a0 = -ENOSYS only when syscall != -1
Slightly bigger than I wished, but here we go, a collection of fixes
for 6.5. The only change in the core side is the ease for repeated
ASoC error messages, and the rest are all pretty device-specific small
fixes (including regression fixes) for ASoC Intel and HD-audio /
USB-audio quirks.
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Merge tag 'sound-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Slightly bigger than I wished, but here we go, a collection of fixes
for 6.5.
The only change in the core side is the ease for repeated ASoC error
messages, and the rest are all pretty device-specific small fixes
(including regression fixes) for ASoC Intel and HD-audio / USB-audio
quirks"
* tag 'sound-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Remodified 3k pull low procedure
ASoC: rt1308-sdw: fix random louder sound
ALSA: hda/cs8409: Support new Dell Dolphin Variants
ALSA: hda/realtek: Switch Dell Oasis models to use SPI
ALSA: hda/realtek: Add quirks for HP G11 Laptops
ASoC: meson: axg-tdm-formatter: fix channel slot allocation
ASoC: SOF: ipc4-topology: Update the basecfg for copier earlier
ASoC: SOF: intel: hda: Clean up link DMA for IPC3 during stop
ASoC: Intel: sof-sdw-cs42142: fix for codec button mapping
ASoC: Intel: sof-sdw: update jack detection quirk for LunarLake RVP
ASoC: SOF: Fix incorrect use of sizeof in sof_ipc3_do_rx_work()
ASoC: lower "no backend DAIs enabled for ... Port" log severity
ASoC: rt5665: add missed regulator_bulk_disable
ASoC: max98363: don't return on success reading revision ID
ALSA: usb-audio: Add support for Mythware XA001AU capture and playback interfaces.
ASoC: fsl: micfil: Use dual license micfil code
- Fix in_flight[issue_type] value error to properly manage requests
MMC host:
- wbsd: Fix double free in the probe error path
- sunplus: Fix error path in probe
- sdhci_f_sdh30: Fix order of function calls in sdhci_f_sdh30_remove
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Merge tag 'mmc-v6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix in_flight[issue_type] value error to properly manage requests
MMC host:
- wbsd: Fix double free in the probe error path
- sunplus: Fix error path in probe
- sdhci_f_sdh30: Fix order of function calls in sdhci_f_sdh30_remove"
* tag 'mmc-v6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: f-sdh30: fix order of function calls in sdhci_f_sdh30_remove
mmc: sunplus: Fix error handling in spmmc_drv_probe()
mmc: sunplus: fix return value check of mmc_add_host()
mmc: wbsd: fix double mmc_free_host() in wbsd_init()
mmc: block: Fix in_flight[issue_type] value error
Qualcomm SA8775P platform:
- Some minor device tree binding flunky that is nice to iron
out but more importantly:
- Support the increased interrupt targets mask from 3 to 4
bits, making interrupts with higher (hardware) numbers
work.
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Merge tag 'pinctrl-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Fixes two issues with the Qualcomm SA8775P platform:
- Some minor device tree binding flunky that is nice to iron out but
more importantly:
- Support the increased interrupt targets mask from 3 to 4 bits,
making interrupts with higher (hardware) numbers work"
* tag 'pinctrl-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: Add intr_target_width field to support increased number of interrupt targets
dt-bindings: pinctrl: qcom,sa8775p-tlmm: add gpio function constant
As usual, mostly DT fixes for the major Arm platforms from Qualcomm and
NXP, plus a bit for Rockchips and others:
The qualcomm fixes mainly deal with their higher-end arm64 devices trees,
fixing issues in L3 interconnect, crypto, thermal, UFS and a regression
for the DSI phy.
NXP i.MX has two correctness fixes for the 64-bit chips, dealing with
the imx93 "anatop" module and the CSI interface. On the 32-bit side,
there are functional fixes for RTC, display and SD card intefaces.
Rockchip fixes are for wifi support on certain boards, a eMMC stability
and DT build warnings.
On TI OMAP, a regulator is described in DT to avoid problems with the
ethernet phy initialization.
The code changes include a missing MMIO serialization on OMAP, plus a
few minor fixes on ASpeed and AMD/Zynq chips.
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Merge tag 'soc-fixes-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, mostly DT fixes for the major Arm platforms from Qualcomm
and NXP, plus a bit for Rockchips and others:
The qualcomm fixes mainly deal with their higher-end arm64 devices
trees, fixing issues in L3 interconnect, crypto, thermal, UFS and a
regression for the DSI phy.
NXP i.MX has two correctness fixes for the 64-bit chips, dealing with
the imx93 "anatop" module and the CSI interface. On the 32-bit side,
there are functional fixes for RTC, display and SD card intefaces.
Rockchip fixes are for wifi support on certain boards, a eMMC
stability and DT build warnings.
On TI OMAP, a regulator is described in DT to avoid problems with the
ethernet phy initialization.
The code changes include a missing MMIO serialization on OMAP, plus a
few minor fixes on ASpeed and AMD/Zynq chips"
* tag 'soc-fixes-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
ARM: dts: am335x-bone-common: Add vcc-supply for on-board eeprom
ARM: dts: am335x-bone-common: Add GPIO PHY reset on revision C3 board
soc: aspeed: socinfo: Add kfree for kstrdup
soc: aspeed: uart-routing: Use __sysfs_match_string
ARM: dts: integrator: fix PCI bus dtc warnings
arm64: dts: imx93: Fix anatop node size
arm64: dts: qcom: sc7180: Fix DSI0_PHY reg-names
ARM: dts: imx: Set default tuning step for imx6sx usdhc
arm64: dts: imx8mm: Drop CSI1 PHY reference clock configuration
arm64: dts: imx8mn: Drop CSI1 PHY reference clock configuration
ARM: dts: imx: Set default tuning step for imx7d usdhc
ARM: dts: imx6: phytec: fix RTC interrupt level
ARM: dts: imx6sx: Remove LDB endpoint
arm64: dts: rockchip: Fix Wifi/Bluetooth on ROCK Pi 4 boards
ARM: zynq: Explicitly include correct DT includes
arm64: dts: qcom: sa8775p-ride: Update L4C parameters
arm64: dts: rockchip: minor whitespace cleanup around '='
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK 4C+
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK Pi 4
arm64: dts: rockchip: add missing space before { on indiedroid nova
...
Just one partial revert for a commit from the merge window
that caused annoying behavior when building old kernels on
arm64 hosts.
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Merge tag 'asm-generic-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic regression fix from Arnd Bergmann:
"Just one partial revert for a commit from the merge window that caused
annoying behavior when building old kernels on arm64 hosts"
* tag 'asm-generic-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: partially revert "Unify uapi bitsperlong.h for arm64, riscv and loongarch"
In production we were seeing a variety of WARN_ON()'s in the extent_map
code, specifically in btrfs_drop_extent_map_range() when we have to call
add_extent_mapping() for our second split.
Consider the following extent map layout
PINNED
[0 16K) [32K, 48K)
and then we call btrfs_drop_extent_map_range for [0, 36K), with
skip_pinned == true. The initial loop will have
start = 0
end = 36K
len = 36K
we will find the [0, 16k) extent, but since we are pinned we will skip
it, which has this code
start = em_end;
if (end != (u64)-1)
len = start + len - em_end;
em_end here is 16K, so now the values are
start = 16K
len = 16K + 36K - 16K = 36K
len should instead be 20K. This is a problem when we find the next
extent at [32K, 48K), we need to split this extent to leave [36K, 48k),
however the code for the split looks like this
split->start = start + len;
split->len = em_end - (start + len);
In this case we have
em_end = 48K
split->start = 16K + 36K // this should be 16K + 20K
split->len = 48K - (16K + 36K) // this overflows as 16K + 36K is 52K
and now we have an invalid extent_map in the tree that potentially
overlaps other entries in the extent map. Even in the non-overlapping
case we will have split->start set improperly, which will cause problems
with any block related calculations.
We don't actually need len in this loop, we can simply use end as our
end point, and only adjust start up when we find a pinned extent we need
to skip.
Adjust the logic to do this, which keeps us from inserting an invalid
extent map.
We only skip_pinned in the relocation case, so this is relatively rare,
except in the case where you are running relocation a lot, which can
happen with auto relocation on.
Fixes: 55ef689900 ("Btrfs: Fix btrfs_drop_extent_cache for skip pinned case")
CC: stable@vger.kernel.org # 4.14+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Specify how is SRSO mitigated when SMT is disabled. Also, correct the
SMT check for that.
Fixes: e9fbc47b81 ("x86/srso: Disable the mitigation on unaffected configurations")
Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20230814200813.p5czl47zssuej7nv@treble
No known outstanding regressions.
Fixes to fixes:
- virtio-net: set queues after driver_ok, avoid a potential race
added by recent fix
- Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
when VLAN 0 is registered explicitly
- nf_tables:
- fix false-positive lockdep splat in recent fixes
- don't fail inserts if duplicate has expired (fix test failures)
- fix races between garbage collection and netns dismantle
Current release - new code bugs:
- mlx5: Fix mlx5_cmd_update_root_ft() error flow
Previous releases - regressions:
- phy: fix IRQ-based wake-on-lan over hibernate / power off
Previous releases - always broken:
- sock: fix misuse of sk_under_memory_pressure() preventing system
from exiting global TCP memory pressure if a single cgroup is under
pressure
- fix the RTO timer retransmitting skb every 1ms if linear option
is enabled
- af_key: fix sadb_x_filter validation, amment netlink policy
- ipsec: fix slab-use-after-free in decode_session6()
- macb: in ZynqMP resume always configure PS GTR for non-wakeup source
Misc:
- netfilter: set default timeout to 3 secs for sctp shutdown send and
recv state (from 300ms), align with protocol timers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from ipsec and netfilter.
No known outstanding regressions.
Fixes to fixes:
- virtio-net: set queues after driver_ok, avoid a potential race
added by recent fix
- Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
when VLAN 0 is registered explicitly
- nf_tables:
- fix false-positive lockdep splat in recent fixes
- don't fail inserts if duplicate has expired (fix test failures)
- fix races between garbage collection and netns dismantle
Current release - new code bugs:
- mlx5: Fix mlx5_cmd_update_root_ft() error flow
Previous releases - regressions:
- phy: fix IRQ-based wake-on-lan over hibernate / power off
Previous releases - always broken:
- sock: fix misuse of sk_under_memory_pressure() preventing system
from exiting global TCP memory pressure if a single cgroup is under
pressure
- fix the RTO timer retransmitting skb every 1ms if linear option is
enabled
- af_key: fix sadb_x_filter validation, amment netlink policy
- ipsec: fix slab-use-after-free in decode_session6()
- macb: in ZynqMP resume always configure PS GTR for non-wakeup
source
Misc:
- netfilter: set default timeout to 3 secs for sctp shutdown send and
recv state (from 300ms), align with protocol timers"
* tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (49 commits)
ice: Block switchdev mode when ADQ is active and vice versa
qede: fix firmware halt over suspend and resume
net: do not allow gso_size to be set to GSO_BY_FRAGS
sock: Fix misuse of sk_under_memory_pressure()
sfc: don't fail probe if MAE/TC setup fails
sfc: don't unregister flow_indr if it was never registered
net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset
net/mlx5: Fix mlx5_cmd_update_root_ft() error flow
net/mlx5e: XDP, Fix fifo overrun on XDP_REDIRECT
i40e: fix misleading debug logs
iavf: fix FDIR rule fields masks validation
ipv6: fix indentation of a config attribute
mailmap: add entries for Simon Horman
broadcom: b44: Use b44_writephy() return value
net: openvswitch: reject negative ifindex
team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves
net: phy: broadcom: stub c45 read/write for 54810
netfilter: nft_dynset: disallow object maps
netfilter: nf_tables: GC transaction race with netns dismantle
netfilter: nf_tables: fix GC transaction races with netns and netlink event exit path
...
edid:
- revert mode parsing fix that had side effects.
i915:
- Fix the flow for ignoring GuC SLPC efficient frequency selection
- Fix SDVO panel_type initialization
- Fix display probe for IVB Q and IVB D GT2 server
nouveau:
- fix use-after-free in connector code
qaic:
- integer overflow check fix
- fix slicing memory leak
panel:
- fix JDI LT070ME05000 probing
- fix AUO G121EAN01 timings
amdgpu:
- SMU 13.x fixes
- Fix mcbp parameter for gfx9
- SMU 11.x fixes
- Temporary fix for large numbers of XCP partitions
- S0ix fixes
- DCN 2.0 fix
qxl:
- fix use after free race in dumb object allocation
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Merge tag 'drm-fixes-2023-08-18-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular enough week, mostly the usual amdgpu and i915 fixes. Also
qaic, nouveau, qxl and a revert for an EDID patch that had some side
effects, along with a couple of panel fixes.
edid:
- revert mode parsing fix that had side effects.
i915:
- Fix the flow for ignoring GuC SLPC efficient frequency selection
- Fix SDVO panel_type initialization
- Fix display probe for IVB Q and IVB D GT2 server
nouveau:
- fix use-after-free in connector code
qaic:
- integer overflow check fix
- fix slicing memory leak
panel:
- fix JDI LT070ME05000 probing
- fix AUO G121EAN01 timings
amdgpu:
- SMU 13.x fixes
- Fix mcbp parameter for gfx9
- SMU 11.x fixes
- Temporary fix for large numbers of XCP partitions
- S0ix fixes
- DCN 2.0 fix
qxl:
- fix use after free race in dumb object allocation"
* tag 'drm-fixes-2023-08-18-1' of git://anongit.freedesktop.org/drm/drm:
drm/qxl: fix UAF on handle creation
Revert "drm/edid: Fix csync detailed mode parsing"
drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create
Revert "Revert "drm/amdgpu/display: change pipe policy for DCN 2.0""
drm/amd: flush any delayed gfxoff on suspend entry
drm/amdgpu: skip fence GFX interrupts disable/enable for S0ix
drm/amdgpu: skip xcp drm device allocation when out of drm resource
drm/amd/pm: Update pci link width for smu v13.0.6
drm/amd/pm: Fix temperature unit of SMU v13.0.6
drm/amdgpu/pm: fix throttle_status for other than MP1 11.0.7
drm/amdgpu: disable mcbp if parameter zero is set
drm/amd/pm: disallow the fan setting if there is no fan on smu 13.0.0
accel/qaic: Clean up integer overflow checking in map_user_pages()
accel/qaic: Fix slicing memory leak
drm/i915: fix display probe for IVB Q and IVB D GT2 server
drm/i915/sdvo: fix panel_type initialization
drm/i915/guc/slpc: Restore efficient freq earlier
drm/panel: simple: Fix AUO G121EAN01 panel timings according to the docs
drm/panel: JDI LT070ME05000 simplify with dev_err_probe()
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-08-16 (iavf, i40e)
This series contains updates to iavf and i40e drivers.
Piotr adds checks for unsupported Flow Director rules on iavf.
Andrii replaces incorrect 'write' messaging on read operations for i40e.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: fix misleading debug logs
iavf: fix FDIR rule fields masks validation
====================
Link: https://lore.kernel.org/r/20230816193308.1307535-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
the AUO G121EAN01 panel, an integer overflow and a memory leak fixes for
the qaic accel, a use-after-free fix for nouveau and a revert for an
alleged fix in EDID parsing.
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Merge tag 'drm-misc-fixes-2023-08-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One EPROBE_DEFER handling fix for the JDI LT070ME05000, a timing fix for
the AUO G121EAN01 panel, an integer overflow and a memory leak fixes for
the qaic accel, a use-after-free fix for nouveau and a revert for an
alleged fix in EDID parsing.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3olqt33em5uhxzjbqghwcwnvmw73h7bxkbdxookmnkecymd4vc@7ogm6gewpprq
ADQ and switchdev are not supported simultaneously. Enabling both at the
same time can result in nullptr dereference.
To prevent this, check if ADQ is active when changing devlink mode to
switchdev mode, and check if switchdev is active when enabling ADQ.
Fixes: fbc7b27af0 ("ice: enable ndo_setup_tc support for mqprio_qdisc")
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230816193405.1307580-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
While performing certain power-off sequences, PCI drivers are
called to suspend and resume their underlying devices through
PCI PM (power management) interface. However this NIC hardware
does not support PCI PM suspend/resume operations so system wide
suspend/resume leads to bad MFW (management firmware) state which
causes various follow-up errors in driver when communicating with
the device/firmware afterwards.
To fix this driver implements PCI PM suspend handler to indicate
unsupported operation to the PCI subsystem explicitly, thus avoiding
system to go into suspended/standby mode.
Without this fix device/firmware does not recover unless system
is power cycled.
Fixes: 2950219d87 ("qede: Add basic network device support")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Alok Prasad <palok@marvell.com>
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230816150711.59035-1-manishc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The status of global socket memory pressure is updated when:
a) __sk_mem_raise_allocated():
enter: sk_memory_allocated(sk) > sysctl_mem[1]
leave: sk_memory_allocated(sk) <= sysctl_mem[0]
b) __sk_mem_reduce_allocated():
leave: sk_under_memory_pressure(sk) &&
sk_memory_allocated(sk) < sysctl_mem[0]
So the conditions of leaving global pressure are inconstant, which
may lead to the situation that one pressured net-memcg prevents the
global pressure from being cleared when there is indeed no global
pressure, thus the global constrains are still in effect unexpectedly
on the other sockets.
This patch fixes this by ignoring the net-memcg's pressure when
deciding whether should leave global memory pressure.
Fixes: e1aab161e0 ("socket: initial cgroup code.")
Signed-off-by: Abel Wu <wuyun.abel@bytedance.com>
Acked-by: Shakeel Butt <shakeelb@google.com>
Link: https://lore.kernel.org/r/20230816091226.1542-1-wuyun.abel@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Existing comment in the source explains why we don't want efx_init_tc()
failure to be fatal. Cited commit erroneously consolidated failure
paths causing the probe to be failed in this case.
Fixes: 7e056e2360 ("sfc: obtain device mac address based on firmware handle for ef100")
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/aa7f589dd6028bd1ad49f0a85f37ab33c09b2b45.1692114888.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In efx_init_tc(), move the setting of efx->tc->up after the
flow_indr_dev_register() call, so that if it fails, efx_fini_tc()
won't call flow_indr_dev_unregister().
Fixes: 5b2e12d51b ("sfc: bind indirect blocks for TC offload on EF100")
Suggested-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/a81284d7013aba74005277bd81104e4cfbea3f6f.1692114888.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the value of ZT is set via ptrace we don't disable traps for SME.
This means that when a the task has never used SME before then the value
set via ptrace will never be seen by the target task since it will
trigger a SME access trap which will flush the register state.
Disable SME traps when setting ZT, this means we also need to allocate
storage for SVE if it is not already allocated, for the benefit of
streaming SVE.
Fixes: f90b529bcb ("arm64/sme: Implement ZT0 ptrace support")
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 6.3.x
Link: https://lore.kernel.org/r/20230816-arm64-zt-ptrace-first-use-v2-1-00aa82847e28@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
When we use NT_ARM_SSVE to either enable streaming mode or change the
vector length for a process we do not currently do anything to ensure that
there is storage allocated for the SME specific register state. If the
task had not previously used SME or we changed the vector length then
the task will not have had TIF_SME set or backing storage for ZA/ZT
allocated, resulting in inconsistent register sizes when saving state
and spurious traps which flush the newly set register state.
We should set TIF_SME to disable traps and ensure that storage is
allocated for ZA and ZT if it is not already allocated. This requires
modifying sme_alloc() to make the flush of any existing register state
optional so we don't disturb existing state for ZA and ZT.
Fixes: e12310a0d3 ("arm64/sme: Implement ptrace support for streaming mode SVE registers")
Reported-by: David Spickett <David.Spickett@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 5.19.x
Link: https://lore.kernel.org/r/20230810-arm64-fix-ptrace-race-v1-1-a5361fad2bd6@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
- Fix new MSG_SPLICE_PAGES support in server's TCP sendmsg helper
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Merge tag 'nfsd-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix new MSG_SPLICE_PAGES support in server's TCP sendmsg helper
* tag 'nfsd-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
sunrpc: set the bv_offset of first bvec in svc_tcp_sendmsg
Pausing and canceling balance can race to interrupt balance lead to BUG_ON
panic in btrfs_cancel_balance. The BUG_ON condition in btrfs_cancel_balance
does not take this race scenario into account.
However, the race condition has no other side effects. We can fix that.
Reproducing it with panic trace like this:
kernel BUG at fs/btrfs/volumes.c:4618!
RIP: 0010:btrfs_cancel_balance+0x5cf/0x6a0
Call Trace:
<TASK>
? do_nanosleep+0x60/0x120
? hrtimer_nanosleep+0xb7/0x1a0
? sched_core_clone_cookie+0x70/0x70
btrfs_ioctl_balance_ctl+0x55/0x70
btrfs_ioctl+0xa46/0xd20
__x64_sys_ioctl+0x7d/0xa0
do_syscall_64+0x38/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Race scenario as follows:
> mutex_unlock(&fs_info->balance_mutex);
> --------------------
> .......issue pause and cancel req in another thread
> --------------------
> ret = __btrfs_balance(fs_info);
>
> mutex_lock(&fs_info->balance_mutex);
> if (ret == -ECANCELED && atomic_read(&fs_info->balance_pause_req)) {
> btrfs_info(fs_info, "balance: paused");
> btrfs_exclop_balance(fs_info, BTRFS_EXCLOP_BALANCE_PAUSED);
> }
CC: stable@vger.kernel.org # 4.19+
Signed-off-by: xiaoshoukui <xiaoshoukui@ruijie.com.cn>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
bio_ctrl->len_to_oe_boundary is used to make sure we stay inside a zone
as we submit bios for writes. Every time we add a page to the bio, we
decrement those bytes from len_to_oe_boundary, and then we submit the
bio if we happen to hit zero.
Most of the time, len_to_oe_boundary gets set to U32_MAX.
submit_extent_page() adds pages into our bio, and the size of the bio
ends up limited by:
- Are we contiguous on disk?
- Does bio_add_page() allow us to stuff more in?
- is len_to_oe_boundary > 0?
The len_to_oe_boundary math starts with U32_MAX, which isn't page or
sector aligned, and subtracts from it until it hits zero. In the
non-zoned case, the last IO we submit before we hit zero is going to be
unaligned, triggering BUGs.
This is hard to trigger because bio_add_page() isn't going to make a bio
of U32_MAX size unless you give it a perfect set of pages and fully
contiguous extents on disk. We can hit it pretty reliably while making
large swapfiles during provisioning because the machine is freshly
booted, mostly idle, and the disk is freshly formatted. It's also
possible to trigger with reads when read_ahead_kb is set to 4GB.
The code has been clean up and shifted around a few times, but this flaw
has been lurking since the counter was added. I think the commit
24e6c80822 ("btrfs: simplify main loop in submit_extent_page") ended
up exposing the bug.
The fix used here is to skip doing math on len_to_oe_boundary unless
we've changed it from the default U32_MAX value. bio_add_page() is the
real limit we want, and there's no reason to do extra math when block
layer is doing it for us.
Sample reproducer, note you'll need to change the path to the bdi and
device:
SUBVOL=/btrfs/swapvol
SWAPFILE=$SUBVOL/swapfile
SZMB=8192
mkfs.btrfs -f /dev/vdb
mount /dev/vdb /btrfs
btrfs subvol create $SUBVOL
chattr +C $SUBVOL
dd if=/dev/zero of=$SWAPFILE bs=1M count=$SZMB
sync
echo 4 > /proc/sys/vm/drop_caches
echo 4194304 > /sys/class/bdi/btrfs-2/read_ahead_kb
while true; do
echo 1 > /proc/sys/vm/drop_caches
echo 1 > /proc/sys/vm/drop_caches
dd of=/dev/zero if=$SWAPFILE bs=4096M count=2 iflag=fullblock
done
Fixes: 24e6c80822 ("btrfs: simplify main loop in submit_extent_page")
CC: stable@vger.kernel.org # 6.4+
Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Fstests with POST_MKFS_CMD="btrfstune -m" (as in the mailing list)
reported a few of the test cases failing.
The failure scenario can be summarized and simplified as follows:
$ mkfs.btrfs -fq -draid1 -mraid1 /dev/sdb1 /dev/sdb2 :0
$ btrfstune -m /dev/sdb1 :0
$ wipefs -a /dev/sdb1 :0
$ mount -o degraded /dev/sdb2 /btrfs :0
$ btrfs replace start -B -f -r 1 /dev/sdb1 /btrfs :1
STDERR:
ERROR: ioctl(DEV_REPLACE_START) failed on "/btrfs": Input/output error
[11290.583502] BTRFS warning (device sdb2): tree block 22036480 mirror 2 has bad fsid, has 99835c32-49f0-4668-9e66-dc277a96b4a6 want da40350c-33ac-4872-92a8-4948ed8c04d0
[11290.586580] BTRFS error (device sdb2): unable to fix up (regular) error at logical 22020096 on dev /dev/sdb8 physical 1048576
As above, the replace is failing because we are verifying the header with
fs_devices::fsid instead of fs_devices::metadata_uuid, despite the
metadata_uuid actually being present.
To fix this, use fs_devices::metadata_uuid. We copy fsid into
fs_devices::metadata_uuid if there is no metadata_uuid, so its fine.
Fixes: a3ddbaebc7 ("btrfs: scrub: introduce a helper to verify one metadata block")
CC: stable@vger.kernel.org # 6.4+
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Unifying the asm-generic headers across 32-bit and 64-bit architectures
based on the compiler provided macros was a good idea and appears to work
with all user space, but it caused a regression when building old kernels
on systems that have the new headers installed in /usr/include, as this
combination trips an inconsistency in the kernel's own tools/include
headers that are a mix of userspace and kernel-internal headers.
This affects kernel builds on arm64, riscv64 and loongarch64 systems that
might end up using the "#define __BITS_PER_LONG 32" default from the old
tools headers. Backporting the commit into stable kernels would address
this, but it would still break building kernels without that backport,
and waste time for developers trying to understand the problem.
arm64 build machines are rather common, and on riscv64 this can also
happen in practice, but loongarch64 is probably new enough to not
be used much for building old kernels, so only revert the bits
for arm64 and riscv.
Link: https://lore.kernel.org/all/20230731160402.GB1823389@dev-arch.thelio-3990X/
Reported-by: Nathan Chancellor <nathan@kernel.org>
Fixes: 8386f58f8d ("asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch")
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This corrects the invalid path specifier for L3 interconnects in the CPU
nodes of SM8150 and SM8250. It corrects the compatible of the SC8180X L3
node, to pass the binding check.
The crypto core, and its DMA controller, is disabled on SM8350 to avoid
the system from crashing at boot while the issue is diagnosed.
A thermal zone node name conflict is resolved for PM8150L, on the RB5
board.
The UFS vccq voltage is corrected on the SA877P Ride platform, to
address observed stability issues.
The reg-names of the DSI phy on SC7180 are restored after an accidental
search-and-replace update.
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Merge tag 'qcom-arm64-fixes-for-6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 fixes for v6.5
This corrects the invalid path specifier for L3 interconnects in the CPU
nodes of SM8150 and SM8250. It corrects the compatible of the SC8180X L3
node, to pass the binding check.
The crypto core, and its DMA controller, is disabled on SM8350 to avoid
the system from crashing at boot while the issue is diagnosed.
A thermal zone node name conflict is resolved for PM8150L, on the RB5
board.
The UFS vccq voltage is corrected on the SA877P Ride platform, to
address observed stability issues.
The reg-names of the DSI phy on SC7180 are restored after an accidental
search-and-replace update.
* tag 'qcom-arm64-fixes-for-6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sc7180: Fix DSI0_PHY reg-names
arm64: dts: qcom: sa8775p-ride: Update L4C parameters
arm64: dts: qcom: qrb5165-rb5: fix thermal zone conflict
arm64: dts: qcom: sm8350: fix BAM DMA crash and reboot
arm64: dts: qcom: sc8180x: Fix OSM L3 compatible
arm64: dts: qcom: sm8250: Fix EPSS L3 interconnect cells
arm64: dts: qcom: sm8150: Fix OSM L3 interconnect cells
Link: https://lore.kernel.org/r/20230815142042.2459048-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A fix external abort on non-linefetch for am335x that is fixed with a flush
of posted write. And two networking fixes for beaglebone mostly for revision
c3 to do phy reset with a gpio and to fix a boot time warning.
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Merge tag 'omap-for-v6.5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps
A fix external abort on non-linefetch for am335x that is fixed with a flush
of posted write. And two networking fixes for beaglebone mostly for revision
c3 to do phy reset with a gpio and to fix a boot time warning.
* tag 'omap-for-v6.5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-bone-common: Add vcc-supply for on-board eeprom
ARM: dts: am335x-bone-common: Add GPIO PHY reset on revision C3 board
bus: ti-sysc: Flush posted write on enable before reset
Link: https://lore.kernel.org/r/pull-1692158536-457318@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
disabled hs400 speeds for some boards having problems with data
intergrity and some dt property/styling fixes.
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Merge tag 'v6.5-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Correct wifi interrupt flags for some boards, fixed wifi on Rock PI4,
disabled hs400 speeds for some boards having problems with data
intergrity and some dt property/styling fixes.
* tag 'v6.5-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix Wifi/Bluetooth on ROCK Pi 4 boards
arm64: dts: rockchip: minor whitespace cleanup around '='
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK 4C+
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK Pi 4
arm64: dts: rockchip: add missing space before { on indiedroid nova
arm64: dts: rockchip: correct wifi interrupt flag in Box Demo
arm64: dts: rockchip: correct wifi interrupt flag in Rock Pi 4B
arm64: dts: rockchip: correct wifi interrupt flag in eaidk-610
arm64: dts: rockchip: Drop invalid regulator-init-microvolt property
Link: https://lore.kernel.org/r/4519945.8hzESeGDPO@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Christian reported spurious module load crashes after some of Song's
module memory layout patches.
Turns out that if the very last instruction on the very last page of the
module is a 'JMP __x86_return_thunk' then __static_call_fixup() will
trip a fault and die.
And while the module rework made this slightly more likely to happen,
it's always been possible.
Fixes: ee88d363d1 ("x86,static_call: Use alternative RET encoding")
Reported-by: Christian Bricart <christian@bricart.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lkml.kernel.org/r/20230816104419.GA982867@hirez.programming.kicks-ass.net
If the switch is reset during active EEPROM transactions, as in
just after an SoC reset after power up, the I2C bus transaction
may be cut short leaving the EEPROM internal I2C state machine
in the wrong state. When the switch is reset again, the bad
state machine state may result in data being read from the wrong
memory location causing the switch to enter unexpected mode
rendering it inoperational.
Fixes: a3dcb3e7e7 ("net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset")
Signed-off-by: Alfred Lee <l00g33k@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230815001323.24739-1-l00g33k@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With hardened usercopy enabled (CONFIG_HARDENED_USERCOPY=y), using the
/proc/powerpc/rtas/firmware_update interface to prepare a system
firmware update yields a BUG():
kernel BUG at mm/usercopy.c:102!
Oops: Exception in kernel mode, sig: 5 [#1]
LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
Modules linked in:
CPU: 0 PID: 2232 Comm: dd Not tainted 6.5.0-rc3+ #2
Hardware name: IBM,8408-E8E POWER8E (raw) 0x4b0201 0xf000004 of:IBM,FW860.50 (SV860_146) hv:phyp pSeries
NIP: c0000000005991d0 LR: c0000000005991cc CTR: 0000000000000000
REGS: c0000000148c76a0 TRAP: 0700 Not tainted (6.5.0-rc3+)
MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 24002242 XER: 0000000c
CFAR: c0000000001fbd34 IRQMASK: 0
[ ... GPRs omitted ... ]
NIP usercopy_abort+0xa0/0xb0
LR usercopy_abort+0x9c/0xb0
Call Trace:
usercopy_abort+0x9c/0xb0 (unreliable)
__check_heap_object+0x1b4/0x1d0
__check_object_size+0x2d0/0x380
rtas_flash_write+0xe4/0x250
proc_reg_write+0xfc/0x160
vfs_write+0xfc/0x4e0
ksys_write+0x90/0x160
system_call_exception+0x178/0x320
system_call_common+0x160/0x2c4
The blocks of the firmware image are copied directly from user memory
to objects allocated from flash_block_cache, so flash_block_cache must
be created using kmem_cache_create_usercopy() to mark it safe for user
access.
Fixes: 6d07d1cd30 ("usercopy: Restrict non-usercopy caches to size 0")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
[mpe: Trim and indent oops]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230810-rtas-flash-vs-hardened-usercopy-v2-1-dcf63793a938@linux.ibm.com
For stack-validation of a frame-pointer build, objtool validates that
every CALL instruction is preceded by a frame-setup. The new SRSO
return thunks violate this with their RSB stuffing trickery.
Extend the __fentry__ exception to also cover the embedded_insn case
used for this. This cures:
vmlinux.o: warning: objtool: srso_untrain_ret+0xd: call without frame pointer save/setup
Fixes: 4ae68b26c3 ("objtool/x86: Fix SRSO mess")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20230816115921.GH980931@hirez.programming.kicks-ass.net
The cited patch change mlx5_cmd_update_root_ft() to work with multiple
peer devices. However, it didn't align the error flow as well.
Hence, Fix the error code to work with multiple peer devices.
Fixes: 222dd18583 ("{net/RDMA}/mlx5: introduce lag_for_each_peer")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Before this fix, running high rate traffic through XDP_REDIRECT
with multibuf could overrun the fifo used to release the
xdp frames after tx completion. This resulted in corrupted data
being consumed on the free side.
The culplirt was a miscalculation of the fifo size: the maximum ratio
between fifo entries / data segments was incorrect. This ratio serves to
calculate the max fifo size for a full sq where each packet uses the
worst case number of entries in the fifo.
This patch fixes the formula and names the constant. It also makes sure
that future values will use a power of 2 number of entries for the fifo
mask to work.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Fixes: 3f734b8c59 ("net/mlx5e: XDP, Use multiple single-entry objects in xdpi_fifo")
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Similar to how it doesn't make sense to have UNTRAIN_RET have two
untrain calls, it also doesn't make sense for VMEXIT to have an extra
IBPB call.
This cures VMEXIT doing potentially unret+IBPB or double IBPB.
Also, the (SEV) VMEXIT case seems to have been overlooked.
Redefine the meaning of the synthetic IBPB flags to:
- ENTRY_IBPB -- issue IBPB on entry (was: entry + VMEXIT)
- IBPB_ON_VMEXIT -- issue IBPB on VMEXIT
And have 'retbleed=ibpb' set *BOTH* feature flags to ensure it retains
the previous behaviour and issues IBPB on entry+VMEXIT.
The new 'srso=ibpb_vmexit' option only sets IBPB_ON_VMEXIT.
Create UNTRAIN_RET_VM specifically for the VMEXIT case, and have that
check IBPB_ON_VMEXIT.
All this avoids having the VMEXIT case having to check both ENTRY_IBPB
and IBPB_ON_VMEXIT and simplifies the alternatives.
Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121149.109557833@infradead.org
Since there can only be one active return_thunk, there only needs be
one (matching) untrain_ret. It fundamentally doesn't make sense to
allow multiple untrain_ret at the same time.
Fold all the 3 different untrain methods into a single (temporary)
helper stub.
Fixes: fb3bd914b3 ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121149.042774962@infradead.org
Rename the original retbleed return thunk and untrain_ret to
retbleed_return_thunk() and retbleed_untrain_ret().
No functional changes.
Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230814121148.909378169@infradead.org
