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My final cleanup patch for sys_compat_ioctl() introduced a regression on
the FIONREAD ioctl command, which is used for both regular and special
files, but only works on regular files after my patch, as I had missed
the warning that Al Viro put into a comment right above it.
Change it back so it can work on any file again by moving the implementation
to do_vfs_ioctl() instead.
Fixes: 77b9040195de ("compat_ioctl: simplify the implementation")
Reported-and-tested-by: Christian Zigotzky <[email protected]>
Reported-and-tested-by: youling257 <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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Now that both native and compat ioctl syscalls are
in the same file, a couple of simplifications can
be made, bringing the implementation closer together:
- do_vfs_ioctl(), ioctl_preallocate(), and compat_ioctl_preallocate()
can become static, allowing the compiler to optimize better
- slightly update the coding style for consistency between
the functions.
- rather than listing each command in two switch statements
for the compat case, just call a single function that has
all the common commands.
As a side-effect, FS_IOC_RESVSP/FS_IOC_RESVSP64 are now available
to x86 compat tasks, along with FS_IOC_RESVSP_32/FS_IOC_RESVSP64_32.
This is harmless for i386 emulation, and can be considered a bugfix
for x32 emulation, which never supported these in the past.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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The rest of the fs/compat_ioctl.c file is no longer useful now,
so move the actual syscall as planned.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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Each driver calling scsi_ioctl() gets an equivalent compat_ioctl()
handler that implements the same commands by calling scsi_compat_ioctl().
The scsi_cmd_ioctl() and scsi_cmd_blk_ioctl() functions are compatible
at this point, so any driver that calls those can do so for both native
and compat mode, with the argument passed through compat_ptr().
With this, we can remove the entries from fs/compat_ioctl.c. The new
code is larger, but should be easier to maintain and keep updated with
newly added commands.
Reviewed-by: Ben Hutchings <[email protected]>
Acked-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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Rather than relying on fs/compat_ioctl.c, this adds support
for a compat_ioctl() callback in the ide-floppy driver directly,
which lets it translate the scsi commands.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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bsg_ioctl() calls into scsi_cmd_ioctl() for a couple of generic commands
and relies on fs/compat_ioctl.c to handle it correctly in compat mode.
Adding a private compat_ioctl() handler avoids that round-trip and lets
us get rid of the generic emulation once this is done.
Note that bsg implements an SG_IO command that is different from the
other drivers and does not need emulation.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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In order to move the compat handling for SCSI ioctl commands out of
fs/compat_ioctl.c into the individual drivers, we need a helper function
first to match the native ioctl handler called by sd, sr, st, etc.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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Various block drivers implement the CDROMMULTISESSION,
CDROM_GET_CAPABILITY, and CDROMEJECT ioctl commands, relying on the
block layer to handle compat_ioctl mode for them.
Move this into the drivers directly as a preparation for simplifying
the block layer later.
When only integer arguments or no arguments are passed, the
same handler can be used for .ioctl and .compat_ioctl, and
when only pointer arguments are passed, the newly added
blkdev_compat_ptr_ioctl can be used.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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This is the only ioctl command that does not have a proper
compat handler. Making the normal implementation do the
right thing is actually very simply, so just do that by
using an in_compat_syscall() check to avoid the special
case in the pkcdvd driver.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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Again, there is only one file that needs this, so move the conversion
handler into the native implementation.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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There is only one implementation of this ioctl, so move the handling out
of the common block layer code into the place where it's actually needed.
It also gets called indirectly through pktcdvd, which needs to be aware
of this change.
As I noticed, the old implementation of the compat handler failed to
convert the structure on the way out, so the updated fields never got
written back to user space. This is either not important, or it has
never worked and should be fixed now.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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These drivers implement the HDIO_GET_IDENTITY and CDROMVOLREAD ioctl
commands, which are compatible between 32-bit and 64-bit user space and
traditionally handled by compat_blkdev_driver_ioctl().
As a prerequisite to removing that function, make both drivers use
blkdev_compat_ptr_ioctl() as their .compat_ioctl callback.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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A lot of block drivers need only a trivial .compat_ioctl callback.
Add a helper function that can be set as the callback pointer
to only convert the argument using the compat_ptr() conversion
and otherwise assume all input and output data is compatible,
or handled using in_compat_syscall() checks.
This mirrors the compat_ptr_ioctl() helper function used in
character devices.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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In the v5.4 merge window, a cleanup patch from Al Viro conflicted
with my rework of the compat handling for sg.c read(). Linus Torvalds
did a correct merge but pointed out that the resulting code is still
unsatisfactory.
I later noticed that the sg_new_read() function still gets the compat
mode wrong, when the 'count' argument is large enough to pass a
compat_sg_io_hdr object, but not a nativ sg_io_hdr.
To address both of these, move the definition of compat_sg_io_hdr
into a scsi/sg.h to make it visible to sg.c and rewrite the logic
for reading req_pack_id as well as the size check to a simpler
version that gets the expected results.
Fixes: c35a5cfb4150 ("scsi: sg: sg_read(): simplify reading ->pack_id of userland sg_io_hdr_t")
Fixes: 98aaaec4a150 ("compat_ioctl: reimplement SG_IO handling")
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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In order to avoid needless #ifdef CONFIG_COMPAT checks,
move the compat_ptr() definition to linux/compat.h
where it can be seen by any file regardless of the
architecture.
Only s390 needs a special definition, this can use the
self-#define trick we have elsewhere.
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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In order to use compat_* type defininitions in device drivers
outside of CONFIG_COMPAT, move the inclusion of asm-generic/compat.h
ahead of the #ifdef.
All other architectures already do this.
Acked-by: Will Deacon <[email protected]>
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"One important fix for RISC-V:
- Redirect any incoming syscall with an ID less than -1 to
sys_ni_syscall, rather than allowing them to fall through into the
syscall handler.
and two minor build fixes:
- Export __asm_copy_{from,to}_user() from where they are defined.
This fixes a build error triggered by some randconfigs.
- Export flush_icache_all(). I'd resisted this before, since
historically we didn't want modules to be able to flush the I$
directly; but apparently everyone else is doing it now"
* tag 'riscv/for-v5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull /proc/locks formatting fix from Jeff Layton:
"This is a trivial fix for a _very_ long standing bug in /proc/locks
formatting. Ordinarily, I'd wait for the merge window for something
like this, but it is making it difficult to validate some overlayfs
fixes.
I've also gone ahead and marked this for stable"
* tag 'locks-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: print unsigned ino in /proc/locks
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Pull cifs fixes from Steve French:
"One performance fix for large directory searches, and one minor style
cleanup noticed by Clang"
* tag '5.5-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Optimize readdir on reparse points
cifs: Adjust indentation in smb2_open_file
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An ino is unsigned, so display it as such in /proc/locks.
Cc: [email protected]
Signed-off-by: Amir Goldstein <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
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This is needed by LKDTM (crash dump test module), it calls
flush_icache_range(), which on RISC-V turns into flush_icache_all(). On
other architectures, the actual implementation is exported, so follow
that precedence and export it here too.
Fixes build of CONFIG_LKDTM that fails with:
ERROR: "flush_icache_all" [drivers/misc/lkdtm/lkdtm.ko] undefined!
Signed-off-by: Olof Johansson <[email protected]>
Signed-off-by: Paul Walmsley <[email protected]>
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Running "stress-ng --enosys 4 -t 20 -v" showed a large number of kernel oops
with "Unable to handle kernel paging request at virtual address" message. This
happens when enosys stressor starts testing random non-valid syscalls.
I forgot to redirect any syscall below -1 to sys_ni_syscall.
With the patch kernel oops messages are gone while running stress-ng enosys
stressor.
Signed-off-by: David Abdurachmanov <[email protected]>
Fixes: 5340627e3fe0 ("riscv: add support for SECCOMP and SECCOMP_FILTER")
Signed-off-by: Paul Walmsley <[email protected]>
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When support for !MMU was added, the declaration of
__asm_copy_to_user() & __asm_copy_from_user() were #ifdefed
out hence their EXPORT_SYMBOL() give an error message like:
.../riscv_ksyms.c:13:15: error: '__asm_copy_to_user' undeclared here
.../riscv_ksyms.c:14:15: error: '__asm_copy_from_user' undeclared here
Since these symbols are not defined with !MMU it's wrong to export them.
Same for __clear_user() (even though this one is also declared in
include/asm-generic/uaccess.h and thus doesn't give an error message).
Fix this by doing the EXPORT_SYMBOL() directly where these symbols
are defined: inside lib/uaccess.S itself.
Fixes: 6bd33e1ece52 ("riscv: fix compile failure with EXPORT_SYMBOL() & !MMU")
Reported-by: kbuild test robot <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Paul Walmsley <[email protected]>
Signed-off-by: Luc Van Oostenryck <[email protected]>
Signed-off-by: Paul Walmsley <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes and one spelling update, all in drivers: two in lpfc and
the rest in mp3sas, cxgbi and target"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target/iblock: Fix protection error with blocks greater than 512B
scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
scsi: lpfc: fix spelling mistakes of asynchronous
scsi: lpfc: fix build failure with DEBUGFS disabled
scsi: mpt3sas: Fix double free in attach error handling
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Pull drm fixes from Dave Airlie:
"Post-xmas food coma recovery fixes. Only three fixes for i915 since I
expect most people are holidaying.
i915:
- power management rc6 fix
- framebuffer tracking fix
- display power management ratelimit fix"
* tag 'drm-fixes-2019-12-28' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Hold reference to intel_frontbuffer as we track activity
drm/i915/gt: Ratelimit display power w/a
drm/i915/pmu: Ensure monotonic rc6
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- rseq build failures fixes related to glibc 2.30 compatibility from
Mathieu Desnoyers
- Kunit fixes and cleanups from SeongJae Park
- Fixes to filesystems/epoll, firmware, and livepatch build failures
and skip handling.
* tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
rseq/selftests: Clarify rseq_prepare_unload() helper requirements
rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
rseq/selftests: Turn off timeout setting
kunit/kunit_tool_test: Test '--build_dir' option run
kunit: Rename 'kunitconfig' to '.kunitconfig'
kunit: Place 'test.log' under the 'build_dir'
kunit: Create default config in '--build_dir'
kunit: Remove duplicated defconfig creation
docs/kunit/start: Use in-tree 'kunit_defconfig'
selftests: livepatch: Fix it to do root uid check and skip
selftests: firmware: Fix it to do root uid check and skip
selftests: filesystems/epoll: fix build error
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix compile test of the Tegra devfreq driver (Arnd Bergmann) and
remove redundant Kconfig dependencies from multiple devfreq drivers
(Leonard Crestez)"
* tag 'pm-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: tegra: Add COMMON_CLK dependency
PM / devfreq: Drop explicit selection of PM_OPP
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Pull io_uring fixes from Jens Axboe:
- Removal of now unused busy wqe list (Hillf)
- Add cond_resched() to io-wq work processing (Hillf)
- And then the series that I hinted at from last week, which removes
the sqe from the io_kiocb and keeps all sqe handling on the prep
side. This guarantees that an opcode can't do the wrong thing and
read the sqe more than once. This is unchanged from last week, no
issues have been observed with this in testing. Hence I really think
we should fold this into 5.5.
* tag 'io_uring-5.5-20191226' of git://git.kernel.dk/linux-block:
io-wq: add cond_resched() to worker thread
io-wq: remove unused busy list from io_sqe
io_uring: pass in 'sqe' to the prep handlers
io_uring: standardize the prep methods
io_uring: read 'count' for IORING_OP_TIMEOUT in prep handler
io_uring: move all prep state for IORING_OP_{SEND,RECV}_MGS to prep handler
io_uring: move all prep state for IORING_OP_CONNECT to prep handler
io_uring: add and use struct io_rw for read/writes
io_uring: use u64_to_user_ptr() consistently
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Pull libata fixes from Jens Axboe:
"Two things in here:
- First half of a series that fixes ahci_brcm, also marked for
stable. The other part of the series is going into 5.6 (Florian)
- sata_nv regression fix that is also marked for stable (Sascha)"
* tag 'libata-5.5-20191226' of git://git.kernel.dk/linux-block:
ata: ahci_brcm: Add missing clock management during recovery
ata: ahci_brcm: BCM7425 AHCI requires AHCI_HFLAG_DELAY_ENGINE
ata: ahci_brcm: Fix AHCI resources management
ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()
libata: Fix retrieving of active qcs
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Pull block fixes from Jens Axboe:
"Only thing here are the changes from Arnd from last week, which now
have the appropriate header include to ensure they actually compile if
COMPAT is enabled"
* tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block:
compat_ioctl: block: handle Persistent Reservations
compat_ioctl: block: handle add zone open, close and finish ioctl
compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES
compat_ioctl: block: handle BLKREPORTZONE/BLKRESETZONE
pktcdvd: fix regression on 64-bit architectures
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A set of fixes for the v5.5 series:
- Fix the build for the Xtensa driver.
- Make sure to set up the parent device for mpc8xxx.
- Clarify the look-up error message.
- Fix the usage of the line direction in the mockup device.
- Fix a type warning on the Aspeed driver.
- Remove the pointless __exit annotation on the xgs-iproc which is
causing a compilation problem.
- Fix up emultation of open drain outputs .get_direction()
- Fix the IRQ callbacks on the PCA953xx to use bitops and work
properly.
- Fix the Kconfig on the Tegra driver"
* tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tegra186: Allow building on Tegra194-only configurations
gpio: pca953x: Switch to bitops in IRQ callbacks
gpiolib: fix up emulated open drain outputs
MAINTAINERS: Append missed file to the database
gpio: xgs-iproc: remove __exit annotation for iproc_gpio_remove
gpio: aspeed: avoid return type warning
gpio: mockup: Fix usage of new GPIO_LINE_DIRECTION
gpio: Fix error message on out-of-range GPIO in lookup table
gpio: mpc8xxx: Add platform device to gpiochip->parent
gpio: xtensa: fix driver build
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
i915 power and frontbuffer tracking fixes
Signed-off-by: Dave Airlie <[email protected]>
From: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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The downstream implementation of ahci_brcm.c did contain clock
management recovery, but until recently, did that outside of the
libahci_platform helpers and this was unintentionally stripped out while
forward porting the patch upstream.
Add the missing clock management during recovery and sleep for 10
milliseconds per the design team recommendations to ensure the SATA PHY
controller and AFE have been fully quiesced.
Fixes: eb73390ae241 ("ata: ahci_brcm: Recover from failures to identify devices")
Cc: [email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Florian Fainelli <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Set AHCI_HFLAG_DELAY_ENGINE for the BCM7425 AHCI controller thus making
it conforming to the 'strict' AHCI implementation which this controller
is based on.
This solves long link establishment with specific hard drives (e.g.:
Seagate ST1000VM002-9ZL1 SC12) that would otherwise have to complete the
error recovery handling before finally establishing a succesful SATA
link at the desired speed.
We re-order the hpriv->flags assignment to also remove the NONCQ quirk
since we can set the flag directly.
Fixes: 9586114cf1e9 ("ata: ahci_brcmstb: add support MIPS-based platforms")
Fixes: 423be77daabe ("ata: ahci_brcmstb: add quirk for broken ncq")
Cc: [email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Florian Fainelli <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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The AHCI resources management within ahci_brcm.c is a little
convoluted, largely because it historically had a dedicated clock that
was managed within this file in the downstream tree. Once brough
upstream though, the clock was left to be managed by libahci_platform.c
which is entirely appropriate.
This patch series ensures that the AHCI resources are fetched and
enabled before any register access is done, thus avoiding bus errors on
platforms which clock gate the controller by default.
As a result we need to re-arrange the suspend() and resume() functions
in order to avoid accessing registers after the clocks have been turned
off respectively before the clocks have been turned on. Finally, we can
refactor brcm_ahci_get_portmask() in order to fetch the number of ports
from hpriv->mmio which is now accessible without jumping through hoops
like we used to do.
The commit pointed in the Fixes tag is both old and new enough not to
require major headaches for backporting of this patch.
Fixes: eba68f829794 ("ata: ahci_brcmstb: rename to support across Broadcom SoC's")
Cc: [email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Florian Fainelli <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This reverts commit 6bb86fefa086faba7b60bb452300b76a47cde1a5
("libahci_platform: Staticize ahci_platform_<en/dis>able_phys()") we are
going to need ahci_platform_{enable,disable}_phys() in a subsequent
commit for ahci_brcm.c in order to properly control the PHY
initialization order.
Also make sure the function prototypes are declared in
include/linux/ahci_platform.h as a result.
Cc: [email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Florian Fainelli <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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ata_qc_complete_multiple() is called with a mask of the still active
tags.
mv_sata doesn't have this information directly and instead calculates
the still active tags from the started tags (ap->qc_active) and the
finished tags as (ap->qc_active ^ done_mask)
Since 28361c40368 the hw_tag and tag are no longer the same and the
equation is no longer valid. In ata_exec_internal_sg() ap->qc_active is
initialized as 1ULL << ATA_TAG_INTERNAL, but in hardware tag 0 is
started and this will be in done_mask on completion. ap->qc_active ^
done_mask becomes 0x100000000 ^ 0x1 = 0x100000001 and thus tag 0 used as
the internal tag will never be reported as completed.
This is fixed by introducing ata_qc_get_active() which returns the
active hardware tags and calling it where appropriate.
This is tested on mv_sata, but sata_fsl and sata_nv suffer from the same
problem. There is another case in sata_nv that most likely needs fixing
as well, but this looks a little different, so I wasn't confident enough
to change that.
Fixes: 28361c403683 ("libata: add extra internal command")
Cc: [email protected]
Tested-by: Pali Rohár <[email protected]>
Signed-off-by: Sascha Hauer <[email protected]>
Add missing export of ata_qc_get_active(), as per Pali.
Signed-off-by: Jens Axboe <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux
Pull devfreq fixes for 5.5-rc4 from Chanwoo Choi:
"1. Fix the build error of tegra*-devfreq.c when COMPILE_TEST is enabled.
2. Drop unneeded PM_OPP dependency from each driver in Kconfig."
* tag 'devfreq-fixes-for-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux:
PM / devfreq: tegra: Add COMMON_CLK dependency
PM / devfreq: Drop explicit selection of PM_OPP
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Reschedule the current IO worker to cut the risk that it is becoming
a cpu hog.
Signed-off-by: Hillf Danton <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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The rseq.h UAPI now documents that the rseq_cs field must be cleared
before reclaiming memory that contains the targeted struct rseq_cs, but
also that the rseq_cs field must be cleared before reclaiming memory of
the code pointed to by the rseq_cs start_ip and post_commit_offset
fields.
While we can expect that use of dlclose(3) will typically unmap
both struct rseq_cs and its associated code at once, nothing would
theoretically prevent a JIT from reclaiming the code without
reclaiming the struct rseq_cs, which would erroneously allow the
kernel to consider new code which is not a rseq critical section
as a rseq critical section following a code reclaim.
Suggested-by: Florian Weimer <[email protected]>
Signed-off-by: Mathieu Desnoyers <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Florian Weimer <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Cc: "Paul E. McKenney" <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: "H . Peter Anvin" <[email protected]>
Cc: Paul Turner <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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glibc 2.30 introduces gettid() in public headers, which clashes with
the internal static definition within rseq selftests.
Rename gettid() to rseq_gettid() to eliminate this symbol name clash.
Reported-by: Tommi T. Rantala <[email protected]>
Signed-off-by: Mathieu Desnoyers <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Tommi T. Rantala <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Cc: "Paul E. McKenney" <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: "H . Peter Anvin" <[email protected]>
Cc: Paul Turner <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: <[email protected]> # v4.18+
Signed-off-by: Shuah Khan <[email protected]>
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As the rseq selftests can run for a long period of time, disable the
timeout that the general selftests have.
Signed-off-by: Mathieu Desnoyers <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Cc: "Paul E. McKenney" <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: "H . Peter Anvin" <[email protected]>
Cc: Paul Turner <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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This commit adds kunit tool test for the '--build_dir' option.
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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This commit renames 'kunitconfig' to '.kunitconfig' so that it can be
automatically ignored by git and do not disturb people who want to type
'kernel/' by pressing only the 'k' and then 'tab' key.
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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'kunit' writes the 'test.log' under the kernel source directory even
though a 'build_dir' option is given. As users who use the option might
expect the outputs to be placed under the specified directory, this
commit modifies the logic to write the log file under the 'build_dir'.
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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If both '--build_dir' and '--defconfig' are given, the handling of
'--defconfig' ignores '--build_dir' option. This commit modifies the
behavior to respect '--build_dir' option.
Reported-by: Brendan Higgins <[email protected]>
Suggested-by: Brendan Higgins <[email protected]>
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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'--defconfig' option is handled by the 'main() of the 'kunit.py' but
again handled in following 'run_tests()'. This commit removes this
duplicated handling of the option in the 'run_tests()'.
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The kunit doc suggests users to get the default `kunitconfig` from an
external git tree. However, the file is already located under the
`arch/um/configs/` of the kernel tree. Because the local file is easier
to access and maintain, this commit updates the doc to use it.
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]>
Tested-by: Brendan Higgins <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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livepatch test configures the system and debug environment to run
tests. Some of these actions fail without root access and test
dumps several permission denied messages before it exits.
Fix test-state.sh to call setup_config instead of set_dynamic_debug
as suggested by Petr Mladek <[email protected]>
Fix it to check root uid and exit with skip code instead.
Signed-off-by: Shuah Khan <[email protected]>
Acked-by: Joe Lawrence <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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