Move from ternary like expression to an if block, this way we'll
have just the extra lines for new files in the following patches.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Paving the way to pass more headers to be consumed, like
tools/perf/trace/beauty/include/linux/socket.h in addition to the
current tools/include/uapi/linux/in.h, to get the SOL_* defines.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To avoid having to add new entries to tools/perf/Makefile.perf prep
socket.sh so that it can generate other socket table generators, such as
the upcoming SOL_ socket level one.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The script that generates the tables was named 'socket.sh', which is
confusing, rename it to sockaddr.sh and make sure the related
Makefile.perf targets also use the 'sockaddr' namespace.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Naresh and Antonio ran into a build failure with latest Debian
armhf compilers, with lots of output like
tmp/ccY3nOAs.s:2215: Error: selected processor does not support `cpsid i' in ARM mode
As it turns out, $(cc-option) fails early here when the FPU is not
selected before CPU architecture is selected, as the compiler
option check runs before enabling -msoft-float, which causes
a problem when testing a target architecture level without an FPU:
cc1: error: '-mfloat-abi=hard': selected architecture lacks an FPU
Passing e.g. -march=armv6k+fp in place of -march=armv6k would avoid this
issue, but the fallback logic is already broken because all supported
compilers (gcc-5 and higher) are much more recent than these options,
and building with -march=armv5t as a fallback no longer works.
The best way forward that I see is to just remove all the checks, which
also has the nice side-effect of slightly improving the startup time for
'make'.
The -mtune=marvell-f option was apparently never supported by any mainline
compiler, and the custom Codesourcery gcc build that did support is
now too old to build kernels, so just use -mtune=xscale unconditionally
for those.
This should be safe to apply on all stable kernels, and will be required
in order to keep building them with gcc-11 and higher.
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=996419
Reported-by: Antonio Terceiro <antonio.terceiro@linaro.org>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Reported-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Klaus Kudielka <klaus.kudielka@gmail.com>
Cc: Matthias Klose <doko@debian.org>
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Currently __set_fixmap() bails out with a warning when called in early boot
from early_iounmap(). Fix it, and while at it, make the comment a bit easier
to understand.
Cc: <stable@vger.kernel.org>
Fixes: b089c31c51 ("ARM: 8667/3: Fix memory attribute inconsistencies when using fixmap")
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
KASAN reports a use-after-free report when doing block test:
==================================================================
[10050.967049] BUG: KASAN: use-after-free in
submit_bio_checks+0x1539/0x1550
[10050.977638] Call Trace:
[10050.978190] dump_stack+0x9b/0xce
[10050.979674] print_address_description.constprop.6+0x3e/0x60
[10050.983510] kasan_report.cold.9+0x22/0x3a
[10050.986089] submit_bio_checks+0x1539/0x1550
[10050.989576] submit_bio_noacct+0x83/0xc80
[10050.993714] submit_bio+0xa7/0x330
[10050.994435] mpage_readahead+0x380/0x500
[10050.998009] read_pages+0x1c1/0xbf0
[10051.002057] page_cache_ra_unbounded+0x4c2/0x6f0
[10051.007413] do_page_cache_ra+0xda/0x110
[10051.008207] force_page_cache_ra+0x23d/0x3d0
[10051.009087] page_cache_sync_ra+0xca/0x300
[10051.009970] generic_file_buffered_read+0xbea/0x2130
[10051.012685] generic_file_read_iter+0x315/0x490
[10051.014472] blkdev_read_iter+0x113/0x1b0
[10051.015300] aio_read+0x2ad/0x450
[10051.023786] io_submit_one+0xc8e/0x1d60
[10051.029855] __se_sys_io_submit+0x125/0x350
[10051.033442] do_syscall_64+0x2d/0x40
[10051.034156] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[10051.048733] Allocated by task 18598:
[10051.049482] kasan_save_stack+0x19/0x40
[10051.050263] __kasan_kmalloc.constprop.1+0xc1/0xd0
[10051.051230] kmem_cache_alloc+0x146/0x440
[10051.052060] mempool_alloc+0x125/0x2f0
[10051.052818] bio_alloc_bioset+0x353/0x590
[10051.053658] mpage_alloc+0x3b/0x240
[10051.054382] do_mpage_readpage+0xddf/0x1ef0
[10051.055250] mpage_readahead+0x264/0x500
[10051.056060] read_pages+0x1c1/0xbf0
[10051.056758] page_cache_ra_unbounded+0x4c2/0x6f0
[10051.057702] do_page_cache_ra+0xda/0x110
[10051.058511] force_page_cache_ra+0x23d/0x3d0
[10051.059373] page_cache_sync_ra+0xca/0x300
[10051.060198] generic_file_buffered_read+0xbea/0x2130
[10051.061195] generic_file_read_iter+0x315/0x490
[10051.062189] blkdev_read_iter+0x113/0x1b0
[10051.063015] aio_read+0x2ad/0x450
[10051.063686] io_submit_one+0xc8e/0x1d60
[10051.064467] __se_sys_io_submit+0x125/0x350
[10051.065318] do_syscall_64+0x2d/0x40
[10051.066082] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[10051.067455] Freed by task 13307:
[10051.068136] kasan_save_stack+0x19/0x40
[10051.068931] kasan_set_track+0x1c/0x30
[10051.069726] kasan_set_free_info+0x1b/0x30
[10051.070621] __kasan_slab_free+0x111/0x160
[10051.071480] kmem_cache_free+0x94/0x460
[10051.072256] mempool_free+0xd6/0x320
[10051.072985] bio_free+0xe0/0x130
[10051.073630] bio_put+0xab/0xe0
[10051.074252] bio_endio+0x3a6/0x5d0
[10051.074984] blk_update_request+0x590/0x1370
[10051.075870] scsi_end_request+0x7d/0x400
[10051.076667] scsi_io_completion+0x1aa/0xe50
[10051.077503] scsi_softirq_done+0x11b/0x240
[10051.078344] blk_mq_complete_request+0xd4/0x120
[10051.079275] scsi_mq_done+0xf0/0x200
[10051.080036] virtscsi_vq_done+0xbc/0x150
[10051.080850] vring_interrupt+0x179/0x390
[10051.081650] __handle_irq_event_percpu+0xf7/0x490
[10051.082626] handle_irq_event_percpu+0x7b/0x160
[10051.083527] handle_irq_event+0xcc/0x170
[10051.084297] handle_edge_irq+0x215/0xb20
[10051.085122] asm_call_irq_on_stack+0xf/0x20
[10051.085986] common_interrupt+0xae/0x120
[10051.086830] asm_common_interrupt+0x1e/0x40
==================================================================
Bio will be checked at beginning of submit_bio_noacct(). If bio needs
to be throttled, it will start the timer and stop submit bio directly.
Bio will submit in blk_throtl_dispatch_work_fn() when the timer expires.
But in the current process, if bio is throttled, it will still set bio
issue->value by blkcg_bio_issue_init(). This is redundant and may cause
the above use-after-free.
CPU0 CPU1
submit_bio
submit_bio_noacct
submit_bio_checks
blk_throtl_bio()
<=mod_timer(&sq->pending_timer
blk_throtl_dispatch_work_fn
submit_bio_noacct() <= bio have
throttle tag, will throw directly
and bio issue->value will be set
here
bio_endio()
bio_put()
bio_free() <= free this bio
blkcg_bio_issue_init(bio)
<= bio has been freed and
will lead to UAF
return BLK_QC_T_NONE
Fix this by remove extra blkcg_bio_issue_init.
Fixes: e439bedf6b (blkcg: consolidate bio_issue_init() to be a part of core)
Signed-off-by: Laibin Qiu <qiulaibin@huawei.com>
Link: https://lore.kernel.org/r/20211112093354.3581504-1-qiulaibin@huawei.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use the same cleanup code independent of whether the cgroup to be
uncharged and unref'd is the source or the destination cgroup. Use a
bool to track whether the destination cgroup has been charged, which also
fixes a bug in the error case: the destination cgroup must be uncharged
only if it does not match the source.
Fixes: b56639318b ("KVM: SEV: Add support for SEV intra host migration")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When UBSAN is enabled, the code emitted for the call to guest_pv_has
includes a call to __ubsan_handle_load_invalid_value. objtool
complains that this call happens with UACCESS enabled; to avoid
the warning, pull the calls to user_access_begin into both arms
of the "if" statement, after the check for guest_pv_has.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
"maxItems" is not needed with an "items" list
Fixes:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml make dtbs_check
Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml: properties:clocks: {'required': ['maxItems']} is not allowed for {'minItems': 1, 'maxItems': 2, 'items': [{'description': 'High-frequency oscillator input, divided internally'}, {'description': 'Low-frequency oscillator input, only found on some variants'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
...
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211029142443.68779-1-david@ixit.cz
make dt_binding_check:
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: ignoring, error in schema: properties: power-domain-names
warning: no schema found in file: Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: properties:power-domain-names: {'required': ['maxItems']} is not allowed for {'minItems': 2, 'maxItems': 3, 'items': [{'const': 'venus'}, {'const': 'vcodec0'}, {'const': 'cx'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
Fixes: e48b839b66 ("media: dt-bindings: media: venus: Add sc7280 dt schema")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d94924e1bd00f396f2106f04d4a2bb839cf5f071.1636453406.git.geert+renesas@glider.be
Support for Netlogic was removed in commit 95b8a5e011 ("MIPS: Remove
NETLOGIC support"). Remove the now unused bindings.
The GPIO binding also includes "brcm,vulcan-gpio", but it appears to be
unused as well as Broadcom Vulkan became Cavium ThunderX2 which is ACPI
based.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: George Cherian <gcherian@marvell.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211109161707.2209170-1-robh@kernel.org
Commit 2d3de197a8 ("ARM: dts: arm: Update ICST clock nodes 'reg' and
node names") moved to using generic node names. That results in trying
to register multiple clocks with the same name. Fix this by including
the unit-address in the clock name.
Fixes: 2d3de197a8 ("ARM: dts: arm: Update ICST clock nodes 'reg' and node names")
Cc: stable@vger.kernel.org
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211109164650.2233507-3-robh@kernel.org
Commit 25b892b583 ("ARM: dts: arm: Update register-bit-led nodes
'reg' and node names") added a 'reg' property to nodes. This change has
the side effect of changing how the kernel generates the device name.
The assumption was a translatable 'reg' address is unique. However, in
the case of the register-bit-led binding (and a few others) that is not
the case. The 'mask' property must also be used in this case to make a
unique device name.
Fixes: 25b892b583 ("ARM: dts: arm: Update register-bit-led nodes 'reg' and node names")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211109164650.2233507-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Not all @st.com email address are concerned, only people who have
a specific @foss.st.com email will see their entry updated.
For some people, who left the company, remove their email.
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Cc: Christophe Roullier <christophe.roullier@foss.st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Cc: Lionel Debieve <lionel.debieve@foss.st.com>
Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Cc: Ludovic Barre <ludovic.barre@foss.st.com>
Cc: Christophe Kerello <christophe.kerello@foss.st.com>
Cc: pascal Paillet <p.paillet@foss.st.com>
Cc: Erwan Le Ray <erwan.leray@foss.st.com>
Cc: Philippe CORNU <philippe.cornu@foss.st.com>
Cc: Yannick Fertre <yannick.fertre@foss.st.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Hugues Fruchet <hugues.fruchet@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20211110150144.18272-6-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
clock-frequency is only restricted by the upper limit of 400 kHz.
Found with:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/i2c-imx.yaml make dtbs_check
...
arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml: i2c@30a20000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
From schema: linux/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
...
Fixes: 4bdc443472 ("dt-bindings: i2c: Convert imx i2c to json-schema")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211029141134.66170-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
Tidy up a bit the tree, by prefixing all include/dt-bindings/clock/ files
related to Ingenic SoCs with 'ingenic,'.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211016133322.40771-1-paul@crapouillou.net
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Move SMB2_SessionSetup, SMB2_Close, SMB2_Read, SMB2_Write and
SMB2_ChangeNotify commands into smbfs_common/smb2pdu.h
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
cifs define LeaseKey as u8 array in structure. To move lease structure
to smbfs_common, ksmbd change LeaseKey data type to u8 array.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
To move smb2_transform_hdr to smbfs_common, This patch remove
smb2_buf_length variable in smb2_transform_hdr.
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
To move smb2_hdr to smbfs_common, This patch remove smb2_buf_length
variable in smb2_hdr. Also, declare smb2_get_msg function to get smb2
request/response from ->request/response_buf.
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
As NTLM authentication is removed, md4 is no longer used.
ksmbd remove md4 leftovers, i.e. select CRYPTO_MD4, MODULE_SOFTDEP md4.
Acked-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Steve French reported ksmbd set fixed value to volume serial field in
FS_VOLUME_INFORMATION. Volume serial value needs to be set to a unique
value for client fscache. This patch set crc value that is generated
with share name, path name and netbios name to volume serial.
Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org # v5.15
Reported-by: Steve French <smfrench@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
We need to ensure that we serialize the stalled and hash bits with the
wait_queue wait handler, or we could be racing with someone modifying
the hashed state after we find it busy, but before we then give up and
wait for it to be cleared. This can cause random delays or stalls when
handling buffered writes for many files, where some of these files cause
hash collisions between the worker threads.
Cc: stable@vger.kernel.org
Reported-by: Daniel Black <daniel@mariadb.org>
Fixes: e941894eae ("io-wq: make buffered file write hashed work map per-ctx")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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BackMerge tag 'v5.15' into drm-next
I got a drm-fixes which had some 5.15 stuff in it, so to avoid
the mess just backmerge here.
Linux 5.15
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Merge tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Revert conversion to struct device.driver instead of struct
pci_dev.driver.
The device.driver is set earlier, and using it caused the PCI core to
call driver PM entry points before .probe() and after .remove(), when
the driver isn't prepared.
This caused NULL pointer dereferences in i2c_designware_pci and
probably other driver issues"
* tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: Use to_pci_driver() instead of pci_dev->driver"
Revert "PCI: Remove struct pci_dev->driver"
ahci_shost_attr_group is referenced only in drivers/ata/libahci.c.
Declare it as static.
Fixes: c3f69c7f62 ("scsi: ata: Switch to attribute groups")
Cc: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
ACS-3 introduced the ATA Identify Device Data log as mandatory. A
warning message currently signals to the user if a device does not
report supporting this log page in the log directory page, regardless
of the ATA version of the device. Furthermore, this warning will appear
for all attempts at accessing this missing log page during device
revalidation.
Since it is useless to constantly access the log directory and warn
about this lack of support once we have discovered that the device
does not support this log page, introduce the horkage flag
ATA_HORKAGE_NO_ID_DEV_LOG to mark a device as lacking support for
the Identify Device Data log page. Set this flag when
ata_log_supported() returns false in ata_identify_page_supported().
The warning is printed only if the device ATA level is 10 or above
(ACS-3 or above), and only once on device scan. With this flag set, the
log directory page is not accessed again to test for Identify Device
Data log page support.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
This series contains initialization fixups, testing improvements, addition
of instruction pointer to data-race reports, and scoped data-race checks.
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Merge tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney:
"This contains initialization fixups, testing improvements, addition of
instruction pointer to data-race reports, and scoped data-race checks"
* tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
kcsan: selftest: Cleanup and add missing __init
kcsan: Move ctx to start of argument list
kcsan: Support reporting scoped read-write access type
kcsan: Start stack trace with explicit location if provided
kcsan: Save instruction pointer for scoped accesses
kcsan: Add ability to pass instruction pointer of access to reporting
kcsan: test: Fix flaky test case
kcsan: test: Use kunit_skip() to skip tests
kcsan: test: Defer kcsan_test_init() after kunit initialization
Merge more updates from Andrew Morton:
"The post-linux-next material.
7 patches.
Subsystems affected by this patch series (all mm): debug,
slab-generic, migration, memcg, and kasan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kasan: add kasan mode messages when kasan init
mm: unexport {,un}lock_page_memcg
mm: unexport folio_memcg_{,un}lock
mm/migrate.c: remove MIGRATE_PFN_LOCKED
mm: migrate: simplify the file-backed pages validation when migrating its mapping
mm: allow only SLUB on PREEMPT_RT
mm/page_owner.c: modify the type of argument "order" in some functions
. remove unused CONFIG_MCPU32 symbol
. default CONFIG_MEMORY_RESERVE value (for scripting)
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Merge tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"Only two changes.
One removes the now unused CONFIG_MCPU32 symbol. The other sets a
default for the CONFIG_MEMORY_RESERVE config symbol (this aids
scripting and other automation) so you don't interactively get asked
for a value at configure time.
Summary:
- remove unused CONFIG_MCPU32 symbol
- default CONFIG_MEMORY_RESERVE value (for scripting)"
* tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: Remove MCPU32 config symbol
m68k: set a default value for MEMORY_RESERVE
Although unlikely for it to be possible for rsp to be null here,
the check is safer to add, and quiets a Coverity warning.
Addresses-Coverity: 1443909 ("Explicit Null dereference")
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
This reverts commit 2a4d9408c9.
Robert reported a NULL pointer dereference caused by the PCI core
(local_pci_probe()) calling the i2c_designware_pci driver's
.runtime_resume() method before the .probe() method. i2c_dw_pci_resume()
depends on initialization done by i2c_dw_pci_probe().
Prior to 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver"), pci_pm_runtime_resume() avoided calling the
.runtime_resume() method because pci_dev->driver had not been set yet.
2a4d9408c9 and b5f9c644eb ("PCI: Remove struct pci_dev->driver"),
removed pci_dev->driver, replacing it by device->driver, which *has* been
set by this time, so pci_pm_runtime_resume() called the .runtime_resume()
method when it previously had not.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This reverts commit b5f9c644eb.
Revert b5f9c644eb ("PCI: Remove struct pci_dev->driver"), which is needed
to revert 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver").
2a4d9408c9 caused a NULL pointer dereference reported by Robert Święcki.
Details in the revert of that commit.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
When BLKRESETZONE ioctl and data read race, the data read leaves stale
page cache. The commit e511350590 ("block: Discard page cache of zone
reset target range") added page cache truncation to avoid stale page
cache after the ioctl. However, the stale page cache still can be read
during the reset zone operation for the ioctl. To avoid the stale page
cache completely, hold invalidate_lock of the block device file mapping.
Fixes: e511350590 ("block: Discard page cache of zone reset target range")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Cc: stable@vger.kernel.org # v5.15
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211111085238.942492-1-shinichiro.kawasaki@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
It is very annoying to have two block layer functions which share same
name, so rename blk_attempt_bio_merge in blk-mq.c as
blk_mq_attempt_bio_merge.
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211111085134.345235-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
