The 1920x1080@60 modedb entry has one too many initializers before
its sync field: a stray "0" occupies the sync slot, which shifts the
remaining values by one field. The entry therefore decodes as
sync = 0, vmode = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT (0x3,
i.e. FB_VMODE_INTERLACED | FB_VMODE_DOUBLE), and flag =
FB_VMODE_NONINTERLACED, instead of the intended sync = positive H/V,
vmode = non-interlaced.
fb_find_mode() then returns a 1920x1080 mode flagged as interlaced +
doublescan with active-low syncs. Drivers that honour var->vmode and
var->sync when programming display timing enable doublescan and the
wrong sync polarity, corrupting the output.
Drop the stray initializer so sync and vmode hold their intended
values (positive H/V sync, non-interlaced), matching the adjacent
1920x1200 entry.
Fixes: c8902258b2 ("fbdev: modedb: Add 1920x1080 at 60 Hz video mode")
Cc: stable@vger.kernel.org
Signed-off-by: Steffen Persvold <spersvold@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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Merge tag 'pci-v7.1-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Add Frank Li as PCI endpoint reviewer (Frank Li)
* tag 'pci-v7.1-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
MAINTAINERS: Add Frank Li as PCI endpoint reviewer
cxl: Add dummy function for cxl_memdev_attach_region for !CONFIG_CXL_REGION
cxl/region: Introduce devm_cxl_probe_mem()
cxl/memdev: Introduce cxl_class_memdev_type
cxl/memdev: Pin parents for entire memdev lifetime
cxl/region: Resolve region deletion races
cxl/region: Block region delete during region creation
Add a dummy function that returns -EOPNOTSUPP for cxl_memdev_attach_region
when CONFIG_CXL_REGION is not enabled. This allow sbuilding when
cxl/core/region.o isn't built.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202606100401.GOjzpKHo-lkp@intel.com/
Fixes: 9b1e70e8f9ec ("cxl/region: Introduce devm_cxl_probe_mem()")
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dan Williams <djbw@kernel.org>
Link: https://patch.msgid.link/20260610001324.260268-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
To date, platform firmware maps accelerator memory and accelerator drivers
simply want an address range that they can map themselves. This typically
results in a single region being auto-assembled upon registration of a
memory device. Use the @attach mechanism of devm_cxl_add_memdev()
parameter to retrieve that region while also adhering to CXL subsystem
locking and lifetime rules. As part of adhering to current object lifetime
rules, if the region or the CXL port topology is invalidated, the CXL core
arranges for the accelertor driver to be detached as well.
The locking and lifetime rules were validated with Dave's work-in-progress
cxl-type-2 support for cxl_test.
devm_cxl_add_classdev() supports the general memory expansion flow where
region assembly is optional, dynamic, and user controlled.
Cc: Alejandro Lucero <alucerop@amd.com>
Signed-off-by: Dan Williams <djbw@kernel.org>
Reviewed-by: Alejandro Lucero <alucerop@amd.com>
Tested-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260519210158.1499795-6-djbw@kernel.org
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
In preparation for memdev's without mailbox related infrastructure,
introduce cxl_class_memdev_type as a superset of a cxl_memdev_type.
Effectively the only difference is that cxl_class_memdev_type exports
common sysfs attributes where cxl_memdev_type has none.
Related to this is all the cxl_mem_probe() paths that assume the presence
of a class device mailbox are updated to skip that requirement.
Co-developed-by: Alejandro Lucero <alucerop@amd.com>
Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Signed-off-by: Dan Williams <djbw@kernel.org>
Tested-by: ALejandro Lucero <alucerop@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260519210158.1499795-5-djbw@kernel.org
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
In order to be able to manage the driver that uses a memdev attach
mechanism the parent needs to stick around for the
device_release_driver(cxlmd->dev.parent) event.
Fixes: 29317f8dc6 ("cxl/mem: Introduce cxl_memdev_attach for CXL-dependent operation")
Signed-off-by: Dan Williams <djbw@kernel.org>
Reviewed-by: Alejandro Lucero <alucerop@amd.com>
Tested-by: ALejandro Lucero <alucerop@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260519210158.1499795-4-djbw@kernel.org
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Sungwoo noticed that the sysfs trigger to delete a region may try to delete
a region multiple times. It also has no exclusion relative to the kernel
releasing the region via CXL root device teardown.
Instead of installing new cxl root devres actions per region, use the
existing root decoder unregistration event to remove all remaining regions.
An xarray of regions replaces a devres list of regions.
This handles 3 separate issues with the old approach:
1/ sysfs users racing to delete the same region: no longer possible now
that the regions_lock is held over the lookup and deletion.
2/ multiple actions triggering deletion of the same region: solved by
erasing regions while holding @regions_lock, and only proceeding on
successful erasure.
3/ userspace racing devres_release_all() to trigger the devres not found
warning: solved by sysfs unregistration not requiring a release action
Fixes: 779dd20cfb ("cxl/region: Add region creation support")
Reported-by: Sungwoo Kim <iam@sung-woo.kim>
Closes: http://lore.kernel.org/20260427032010.916681-2-iam@sung-woo.kim
Signed-off-by: Dan Williams <djbw@kernel.org>
Reviewed-by: Alejandro Lucero <alucerop@amd.com>
Tested-by: ALejandro Lucero <alucerop@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260519210158.1499795-3-djbw@kernel.org
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Expand the range lock, rename it "regions_lock", to disable region deletion
in the critical period between construct_region() and attach_target(), as
well as the period between device_add() and registering the remove actions.
Otherwise, userspace can confuse the kernel. It can violate the assumption
the region stays registered through the completion of cxl_add_to_region().
It can violate the assumption that devm_add_action_or_reset() is working
with a live 'struct cxl_region'.
It is ok for the region to disappear outside of those windows as that
mirrors device hotplug flows where the proper locks are held.
Fixes: a32320b71f ("cxl/region: Add region autodiscovery")
Signed-off-by: Dan Williams <djbw@kernel.org>
Reviewed-by: Alejandro Lucero <alucerop@amd.com>
Tested-by: ALejandro Lucero <alucerop@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260519210158.1499795-2-djbw@kernel.org
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
It's rare to find a system that has more than 4 sockets,
but a system can have more than 4 NUMA nodes if each socket
exposes its chiplets as separate NUMA nodes.
In particular, our CI caught a failure in this test on a system with
two sockets, each containing an 'AMD EPYC 7601 32-Core Processor'.
Bump the limit to 32, just in case.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-ID: <20260612150038.1277394-1-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
I have volunteered to review PCI endpoint-related changes. Add myself as a
reviewer to be notified when related patches are posted.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Link: https://patch.msgid.link/20260611210007.529205-1-Frank.Li@oss.nxp.com
Translate the documentation file '3.Early-stage.rst' into Portuguese.
This section addresses corporate kernel development constraints,
the balance between company secrecy and the open-loop approach,
and the use of NDAs or Linux Foundation programs to avoid
integration issues.
Signed-off-by: Daniel Pereira <danielmaraboo@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260601192346.192752-1-danielmaraboo@gmail.com>
This update includes the "Purpose of Defconfigs" section translated
to Brazilian Portuguese.
Signed-off-by: Amanda Corrêa <amandacorreasilvax@gmail.com>
Acked-by: Daniel Pereira <danielmaraboo@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260604031840.17236-1-amandacorreasilvax@gmail.com>
Fix a grammar issue to improve readability
Signed-off-by: Manuel Ebner <manuelebner@mailbox.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260605190055.15921-2-manuelebner@mailbox.org>
Translate the "Use trimmed interleaved replies in email discussions"
and "Don't get discouraged - or impatient" sections in
Documentation/translations/ja_JP/process/submitting-patches.rst.
Keep the wording close to the English text and wrap lines to match
the style used in the surrounding Japanese translation.
Signed-off-by: Akiyoshi Kurita <weibu@redadmin.org>
Acked-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260606035954.27605-1-weibu@redadmin.org>
Fix minor grammatical error in the administration guide.
Signed-off-by: Brigham Campbell <me@brighamcampbell.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260609070618.12566-1-me@brighamcampbell.com>
CONFIG_DEBUG_SLAB was removed in commit 2a19be61a6 ("mm/slab: remove
CONFIG_SLAB from all Kconfig and Makefile"), but references to it
remained in documentation. The English documentation was updated to
refer to CONFIG_SLUB_DEBUG in commit 5969fbf302 ("docs:
submit-checklist: structure by category"), but these translations were
never similarly updated. Update them.
Discovered while searching for CONFIG_* symbols referenced in the
kernel but not defined in any Kconfig file.
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260611010014.412841-1-enelsonmoore@gmail.com>
A couple of driver specific fixes for v7.1, a small targetted fix for
hardware error handling on DesignWare controllers and another for
handling of custom chip select managmenet on Qualcomm GENI controllers.
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Merge tag 'spi-fix-v7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of driver specific fixes: a small targeted fix for hardware
error handling on DesignWare controllers and another for handling of
custom chip select management on Qualcomm GENI controllers"
* tag 'spi-fix-v7.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: dw: fix race between IRQ handler and error handler on SMP
spi: qcom-geni: Fix cs_change handling on the last transfer
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> says:
Current ASoC supports snd_soc_daifmt_parse_format() which can specify DAI
format by "dai-format" property from DT.
But strictly speaking, it is SW settings, so doesn't match to DT's policy.
Current ASoC is supporting auto format select via
snd_soc_dai_ops :: .auto_selectable_formats.
But the user is very few today.
DT doesn't need to specify the DAI format via "dai-format", if both CPU
and Codec drivers were supporting .auto_selectable_formats. It will be
automatically selected from .auto_selectable_formats.
But, I noticed that current auto format select method can't handle all cases.
For example, current .auto_selectable_formats is like below
static u64 xxx_auto_formats[] = {
(A) /* First Priority */
SND_SOC_POSSIBLE_DAIFMT_I2S |
SND_SOC_POSSIBLE_DAIFMT_LEFT_J |
SND_SOC_POSSIBLE_DAIFMT_NB_NF |
SND_SOC_POSSIBLE_DAIFMT_NB_IF | (x)
SND_SOC_POSSIBLE_DAIFMT_IB_NF |
SND_SOC_POSSIBLE_DAIFMT_IB_IF, (x)
/* Second Priority */
(B) SND_SOC_POSSIBLE_DAIFMT_DSP_A | (y)
SND_SOC_POSSIBLE_DAIFMT_DSP_B, (y)
};
It try to find DAI format from (A) first, and next it will use (A | B).
But it can't handle the format if some format were independent.
For example, DSP_x (y) can't use with xB_IF (x), etc.
So, I would like to update the method. New method doesn't use OR.
It try to find DAI format from (a), next it will use (b).
static u64 xxx_auto_formats[] = {
(a) /* First Priority */
SND_SOC_POSSIBLE_DAIFMT_I2S |
SND_SOC_POSSIBLE_DAIFMT_LEFT_J |
SND_SOC_POSSIBLE_DAIFMT_NB_NF |
SND_SOC_POSSIBLE_DAIFMT_NB_IF |
SND_SOC_POSSIBLE_DAIFMT_IB_NF |
SND_SOC_POSSIBLE_DAIFMT_IB_IF,
/* Second Priority */
(b) SND_SOC_POSSIBLE_DAIFMT_DSP_A |
SND_SOC_POSSIBLE_DAIFMT_DSP_B |
SND_SOC_POSSIBLE_DAIFMT_NB_NF |
SND_SOC_POSSIBLE_DAIFMT_IB_NF,
};
Switch old method to new method, Current auto select user need to update
.auto_selectable_formats. Fortunately, current few users doesn't have
above limitation. update (A)(B) to (a)(b) style is possible.
a = A
b = A | B
I would like to update method, and add .auto_selectable_formats
support on all drivers.
One note is that auto select might not find best format on some CPU/Codec
combination. So "dai-format" is necessary anyway.
And, there haven't been any big problems on .auto_selectable_formats,
because there were few users.
But if all drivers try to use this, it cannot be denied that they may
encounter unknown problems... In such case, "dai-format" can help, though.
Link: https://patch.msgid.link/87v7bs36m0.wl-kuninori.morimoto.gx@renesas.com
"Simple Audio Card", "Audio Graph Card", "Audio Graph Card2" are
possible to set DAI format via DT.
OTOH, ASoC is supporting .auto_selectable_formats to select DAI
format automatically. Let's recommend to use it on "Audio Graph Card2".
One note is that it keeps supporting DAI format setting via DT.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ik7s36k2.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Current DAI supports auto format selection. It allow to have array like
below.
(X) static u64 xxx_auto_formats[] = {
(A) /* First Priority */
SND_SOC_POSSIBLE_DAIFMT_I2S |
SND_SOC_POSSIBLE_DAIFMT_LEFT_J,
/* Second Priority */
(B) SND_SOC_POSSIBLE_DAIFMT_DSP_A |
SND_SOC_POSSIBLE_DAIFMT_DSP_B,
};
It try to find available format from I2S/LEFT_J first (A).
Then, try to find from I2S/LEFT_J/DSP_A/DSP_B if couldn't find (A)+(B).
(OR:ed)
In this method, it can't handle if there is format combination.
For example, some driver has pattern.
Pattern1
I2S/RIFHT_J/LEFT_J (FORMAT) and NB_NF/IB_IF/IB_NF/NB_IF (INV)_
Pattern2
DSP_A/DSP_B (FORMAT) and NB_NF/ IB_NF
Because it will try to OR Pattern1 and Pattern2, un-supported
pattern might be selected.
This patch update method not to use OR, and assumes full format array.
Above sample (X) need to be
static u64 xxx_auto_formats[] = {
/* First Priority */
SND_SOC_POSSIBLE_DAIFMT_I2S |
SND_SOC_POSSIBLE_DAIFMT_LEFT_J,
/* Second Priority */
SND_SOC_POSSIBLE_DAIFMT_I2S |
SND_SOC_POSSIBLE_DAIFMT_LEFT_J |
SND_SOC_POSSIBLE_DAIFMT_DSP_A |
SND_SOC_POSSIBLE_DAIFMT_DSP_B,
};
Note: It doesn't support Multi CPU/Codec for now
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87jys836k8.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Current auto select format start with the highest priority format and
gradually add lower priority formats one by one, and search matched
format. Like A+X -> A+B+X -> A+B+C+X+Y... (a)
But in this method, we can't handle format if HW has some kind of
patterns, like A+X or B+Y etc (b).
Current drivers are using (a) style, this patch switch to use (b) style.
This is needed before update auto select format method.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ldco36kf.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Current auto select format start with the highest priority format and
gradually add lower priority formats one by one, and search matched
format. Like A+X -> A+B+X -> A+B+C+X+Y... (a)
But in this method, we can't handle format if HW has some kind of
patterns, like A+X or B+Y etc (b).
Current drivers are using (a) style, this patch switch to use (b) style.
This is needed before update auto select format method.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87mrx436kl.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Current auto select format start with the highest priority format and
gradually add lower priority formats one by one, and search matched
format. Like A+X -> A+B+X -> A+B+C+X+Y... (a)
But in this method, we can't handle format if HW has some kind of
patterns, like A+X or B+Y etc (b).
Current drivers are using (a) style, this patch switch to use (b) style.
This is needed before update auto select format method.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87o6hk36kp.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Because it is confusable during debugging ASoC FW update, tidyup
auto format style not to use array if single pattern case.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87pl2036kt.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Because it is confusable during debugging ASoC FW update, tidyup
auto format style not to use array if single pattern case.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87qzmg36ky.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Because it is confusable during debugging ASoC FW update, tidyup
auto format style not to use array if single pattern case.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87se6w36la.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Clock provider / consumer selection is based on board, we can't select
automatically from software. Let's remove SND_SOC_POSSIBLE_xBx_xFx.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87tsrc36li.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'io_uring-7.1-20260611' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Tweak for an off-by-one in the CQ ring accounting for the min wait
support.
- Don't truncate end buffer length for a bundle, as the transfer might
not happen. It's not required in the first place, as the completion
side handles this condition already.
* tag 'io_uring-7.1-20260611' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/wait: fix min_timeout behavior
io_uring/kbuf: don't truncate end buffer for bundles
Here are some small bugfixes for USB serial and Thunderbolt drivers for
some reported and found issues. Included in here are:
- usb serial overflow bugs fixed
- new usb serial device id
- thunderbolt validation fixes for reported issues
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small bugfixes for USB serial and Thunderbolt drivers
for some reported and found issues. Included in here are:
- usb serial overflow bugs fixed
- new usb serial device id
- thunderbolt validation fixes for reported issues
All of these have been in linux-next this week with no reported
issues"
* tag 'usb-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: kl5kusb105: fix bulk-out buffer overflow
USB: serial: option: add usb-id for Dell Wireless DW5826e-m
USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()
USB: serial: io_ti: fix heap overflow in get_manuf_info()
thunderbolt: Limit XDomain response copy to actual frame size
thunderbolt: Validate XDomain request packet size before type cast
thunderbolt: Clamp XDomain response data copy to allocation size
thunderbolt: Bound root directory content to block size
thunderbolt: Reject zero-length property entries in validator
The PLL lock failure path in adau1372_set_power() unwinds by putting
the regmap back in cache-only mode, asserting the optional power-down
GPIO and disabling mclk.
adau1372_enable_pll() enables CLK_CTRL.PLL_EN before polling the PLL
lock bit. If the lock fails on a board without a power-down GPIO, the
error path disables mclk and returns an error, but leaves PLL_EN set in
the hardware register. The normal power-off path already handles the
no-GPIO case by explicitly clearing PLL_EN.
Mirror that cleanup in the PLL lock failure path and clear PLL_EN while
the regmap is still live, before switching it back to cache-only mode.
Fixes: bfe6a264ef ("ASoC: adau1372: Fix clock leak on PLL lock failure")
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Link: https://patch.msgid.link/20260604125520.1428905-1-lgs201920130244@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Here are two small bugfixes for a staging driver to fix a
much-reported issue. The fixes are for the rtl8723bs driver and it's
something that many scanning tools keep tripping over in convoluted ways
(and seems to be able to be triggered by network traffic.) These fixes
have been in linux-next for many weeks with no reported issues, sorry
for the delay in getting them to you.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small bugfixes for a staging driver to fix a
much-reported issue.
The fixes are for the rtl8723bs driver and it's something that many
scanning tools keep tripping over in convoluted ways (and seems to be
able to be triggered by network traffic)
These fixes have been in linux-next for many weeks with no reported
issues, sorry for the delay in getting them to you"
* tag 'staging-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction
staging: rtl8723bs: fix buffer over-read in rtw_update_protection
Add a new block error injection interface that allows to inject specific
status code for specific ranges.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Md Haris Iqbal <haris.iqbal@linux.dev>
Link: https://patch.msgid.link/20260611140703.2401204-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add a helper to find the REQ_OP_XYZ constant from the "XYZ" string.
This will be used for the error injection debugfs interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Md Haris Iqbal <haris.iqbal@linux.dev>
Link: https://patch.msgid.link/20260611140703.2401204-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The full name of the status codes is not good for user interfaces as it
can contain white spaces. Add the name of the status code without the
BLK_STS_ prefix as a tag so that it can be used for user interfaces.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Md Haris Iqbal <haris.iqbal@linux.dev>
Link: https://patch.msgid.link/20260611140703.2401204-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Prepare for adding a new value to the error table by adding a macro
to fill it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Md Haris Iqbal <haris.iqbal@linux.dev>
Link: https://patch.msgid.link/20260611140703.2401204-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
cxl/region: Fill first free targets[] slot during auto-discovery
cxl/region: Fix out-of-bounds access in cxl_cancel_auto_attach()
tools/testing/cxl: Resolve auto-region decoder targets like real HW
cxl: Align interleave decode/encode helpers with their callers
cxl/test: Add check after kzalloc() memory in alloc_mock_res()
cxl/test: Unregister cxl_acpi in cxl_test_init() error path
cxl/test: Zero out LSA backing memory to avoid leaking to user
cxl/test: Fix integer overflow in mock LSA bounds checks
cxl/test: Verify cmd->size_in before accessing payload
cxl/port: update reference to removed CONFIG_PROVE_CXL_LOCKING
cxl/region: Avoid variable shadowing in region attach paths
cxl: Fix CXL_HEADERLOG_SIZE to match RAS Capability size
cxl/test: Fix __fortify_panic
cxl/fwctl: Fix __fortify_panic
MAINTAINERS: Add CXL reviewer
cxl/test: Enforce PMD alignment for volatile mock regions
cxl/region: Validate partition index before array access
cxl/memdev: Hold memdev lock during memdev poison injection/clear
Add an explicit dependency between the output object files and the
output directories that need to be created to hold those files. This
ensures that the output directories are always created.
Creating the output directories at parse time (current behavior) doesn't
support the scenario where someone does "make clean all". The
directories will be created during parsing, deleted during "clean" and
then not available for the "all" target.
Use an order-only prerequisite for the output directories, rather than a
normal prerequisite, to avoid unnecessary recompilations.
Fixes: 19faf6fd96 ("vfio: selftests: Add a helper library for VFIO selftests")
Reported-by: Sashiko <sashiko-bot@kernel.org>
Closes: https://lore.kernel.org/kvm/20260610010314.DB8861F00893@smtp.kernel.org/
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20260611213945.3714421-1-dmatlack@google.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
The USB PHY (QMP Combo PHY) is always initialized in USB3+DP mode. In
the past, there was no MUX, and it was unnecessary to set it, since
MSM only supported 2-lane DP. But now, MST and 4-lane DP support has
been added to MSM, and a MUX has been added to the PHY. To support
4-lane DP and mode switching for gaokun, get the MUX and set it.
Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://patch.msgid.link/20260607101844.820064-1-mitltlatltl@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are the USB serial updates for 7.2-rc1, including:
- an updated mxuport number-of-ports encoding, and
- include directive cleanups
Everything has been in linux-next with no reported issues.
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Merge tag 'usb-serial-7.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB serial updates for 7.2-rc1
Here are the USB serial updates for 7.2-rc1, including:
- an updated mxuport number-of-ports encoding, and
- include directive cleanups
Everything has been in linux-next with no reported issues.
* tag 'usb-serial-7.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: whiteheat: drop termbits include
USB: serial: add missing atomic includes
USB: serial: garmin_gps: drop unused atomic include
USB: serial: drop unused moduleparam includes
USB: serial: drop unused uaccess includes
USB: serial: xr: add missing uaccess include
USB: serial: drop unused tty_flip includes
USB: serial: drop unused tty_driver includes
USB: serial: mxuport: update number-of-ports encoding
Here are some small driver fixes for 7.1-final to resolve some reported
issues. Included in here are:
- slimbus qcom driver bugfixes
- nvmem driver bugfixes
- fastrpc driver bugfixes
- stratix10 firmware driver bugfixes
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 7.1-final to resolve some
reported issues. Included in here are:
- slimbus qcom driver bugfixes
- nvmem driver bugfixes
- fastrpc driver bugfixes
- stratix10 firmware driver bugfixes
All of these have been in linux-next for over a week with no
reported issues"
* tag 'char-misc-7.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: fastrpc: fix use-after-free race in fastrpc_map_create
misc: fastrpc: Fix NULL pointer dereference in rpmsg callback
misc: fastrpc: fix DMA address corruption due to find_vma misuse
misc: fastrpc: fix use-after-free of fastrpc_user in workqueue context
slimbus: qcom-ngd-ctrl: Avoid ABBA on tx_lock/ctrl->lock
slimbus: qcom-ngd-ctrl: Balance pm_runtime enablement for NGD
slimbus: qcom-ngd-ctrl: Initialize controller resources in controller
slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd
slimbus: qcom-ngd-ctrl: Correct PDR and SSR cleanup ownership
slimbus: qcom-ngd-ctrl: Fix probe error path ordering
slimbus: qcom-ngd-ctrl: Fix up platform_driver registration
slimbus: qcom-ngd-ctrl: fix OF node refcount
nvmem: core: fix use-after-free bugs in error paths
nvmem: layouts: onie-tlv: fix hang on unknown types
firmware: stratix10-rsu: Fix NULL deref on rsu_send_msg() timeout in probe
firmware: stratix10-svc: Don't fail probe when async ops unsupported
firmware: stratix10-svc: Return -EOPNOTSUPP when ATF async unsupported
A few small fixes for the last spurt. All changes are small, mostly
consisting of driver-specific fixes, along with two UAF fixes for the
ALSA timer core.
* Core:
- Two UAF fixes in ALSA timer core
* ASoC:
- SDCA: Fix NULL pointer dereference
- amd / yc: Add DMI quirk for ASUS ExpertBook PM1403CDA
- SOF amd: Fix garbage/spurious warnings
- wm_adsp: Fix potential NULL dereference when removing firmware
controls
- loongson: Fix negative position calculation
- spi-rzv2h-rspi: Fix SPDR read access width on 16-bit RX path
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Merge tag 'sound-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few small fixes for the last spurt. All changes are small, mostly
consisting of driver-specific fixes, along with two UAF fixes for the
ALSA timer core.
Core:
- Two UAF fixes in ALSA timer core
ASoC:
- SDCA: Fix NULL pointer dereference
- amd / yc: Add DMI quirk for ASUS ExpertBook PM1403CDA
- SOF amd: Fix garbage/spurious warnings
- wm_adsp: Fix potential NULL dereference when removing firmware
controls
- loongson: Fix negative position calculation
- spi-rzv2h-rspi: Fix SPDR read access width on 16-bit RX path"
* tag 'sound-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions
ASoC: loongson: Fix invalid position error in ls_pcm_pointer
spi: rzv2h-rspi: Fix SPDR read access width for 16-bit RX
ASoC: amd: yc: Add DMI quirk for ASUS EXPERTBOOK PM1403CDA
ASoC: SOF: amd: set ipc flags to zero
ASoC: SOF: amd: fix for ipc flags check
ASoC: wm_adsp: Fix NULL dereference when removing firmware controls
ALSA: timer: Fix UAF at snd_timer_user_params()
ALSA: timer: Forcibly close timer instances at closing
Any invalid endpoint decoder pointer in the target array of an active
region is not allowed by cxl driver. This means cxl driver always
assumes the first p->nr_targets entries of the target array in an
auto-assembly region are valid. However, there are scenarios that could
leave NULL endpoint decoder pointer holes in the target array.
1. When cxl_cancel_auto_attach() removes an endpoint decoder from a
target array, the target slot is set to NULL. If the removed endpoint
decoder is not the last element in the target array, the target array
will contain a NULL hole.
2. When a auto-assembly region removes an assigned endpoint decoder, if
the removed endpoint decoder is not the last element in the target
array, always remains a NULL hole in the target array.
When a NULL pointer hole exists in a region's target array, it
introduces two potential problems:
1. Access an endpoint decoder via a NULL pointer. it always trigger
calltrace like that.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI
RIP: 0010:cxl_calc_interleave_pos+0x26/0x810 [cxl_core]
Call Trace:
<TASK>
cxl_region_attach+0xc50/0x2140 [cxl_core]
cxl_add_to_region+0x321/0x2330 [cxl_core]
discover_region+0x92/0x150 [cxl_port]
device_for_each_child+0xf3/0x170
cxl_port_probe+0x150/0x200 [cxl_port]
cxl_bus_probe+0x4f/0xa0 [cxl_core]
really_probe+0x1c8/0x960
__driver_probe_device+0x323/0x450
driver_probe_device+0x45/0x120
__device_attach_driver+0x15d/0x280
bus_for_each_drv+0x10f/0x190
2. Not having enough valid endpoint decoders attached to an
auto-assembly region. if an auto-assembly region is created with lock
flag or assigned endpoint decoder with lock flag, which means
assigned endpoint decoder will not be reset during detaching, they
could re-attach to the auto-assembly region again. But cxl region
driver relies on p->nr_targets to verify whether the required number
of endpoint decoders has been attached, and NULL endpoint decoder
pointers are still counted in that case.
To fix above issues, adjust cxl_region_attach_auto() logic to find the
first free target slot for endpoint decoder attachment, this ensures
NULL holes in the target array are filled, rather than adding new
endpoint decoders at the tail of the target array.
Fixes: 87805c32e6 ("cxl/region: Fix use-after-free from auto assembly failure")
Fixes: 2230c4bdc4 ("cxl: Add handling of locked CXL decoder")
Suggested-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20260606-fix_two_issues_introduced_by_cxl_cancel_auto_attach-v1-2-5d94ca06c4e4@zohomail.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
In cxl_cancel_auto_attach(), it assumes cxled->pos is a valid index for
accessing p->targets[]. However, cxled->pos can be set to negative errno
in cxl_region_sort_targets() if cxl_calc_interleave_pos() fails. This
causes the driver to use a negative index to access p->targets[],
resulting in out-of-bounds access.
Fix it by walking p->targets[] instead of using cxled->pos directly.
Fixes: 87805c32e6 ("cxl/region: Fix use-after-free from auto assembly failure")
Signed-off-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20260606-fix_two_issues_introduced_by_cxl_cancel_auto_attach-v1-1-5d94ca06c4e4@zohomail.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Two more small fixes came in, both addressing corner cases in platform
specific code: the microchip mpfs system controller probe and the CPU
power management on 32-bit rockchips SoCs.
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Merge tag 'soc-fixes-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two more small fixes came in, both addressing corner cases in platform
specific code: the microchip mpfs system controller probe and the CPU
power management on 32-bit rockchips SoCs"
* tag 'soc-fixes-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: rockchip: keep reset control around
soc: microchip: mpfs-sys-controller: fix resource leak on probe error
The error bouncing may fail again, and we have no check for
re-bouncing. For avoiding the loop, add the event type check at
bouncing, and stop re-bouncing if it's already a bounce error.
Link: https://patch.msgid.link/20260612113350.407465-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
