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2021-03-28io_uring: always go for cancellation spin on execPavel Begunkov
Always try to do cancellation in __io_uring_task_cancel() at least once, so it actually goes and cleans its sqpoll tasks (i.e. via io_sqpoll_cancel_sync()), otherwise sqpoll task may submit new requests after cancellation and it's racy for many reasons. Fixes: 521d6a737a31c ("io_uring: cancel sqpoll via task_work") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/0a21bd6d794bb1629bc906dd57a57b2c2985a8ac.1616839147.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-28Linux 5.12-rc5Linus Torvalds
2021-03-28Merge tag 'perf-tools-fixes-for-v5.12-2020-03-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tooling fixes from Arnaldo Carvalho de Melo: - Avoid write of uninitialized memory when generating PERF_RECORD_MMAP* records. - Fix 'perf top' BPF support related crash with perf_event_paranoid=3 + kptr_restrict. - Validate raw event with sysfs exported format bits. - Fix waipid on SIGCHLD delivery bugs in 'perf daemon'. - Change to use bash for daemon test on Debian, where the default is dash and thus fails for use of bashisms in this test. - Fix memory leak in vDSO found using ASAN. - Remove now useless (due to the fact that BPF now supports static vars) failing sub test "BPF relocation checker". - Fix auxtrace queue conflict. - Sync linux/kvm.h with the kernel sources. * tag 'perf-tools-fixes-for-v5.12-2020-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf test: Change to use bash for daemon test perf record: Fix memory leak in vDSO found using ASAN perf test: Remove now useless failing sub test "BPF relocation checker" perf daemon: Return from kill functions perf daemon: Force waipid for all session on SIGCHLD delivery perf top: Fix BPF support related crash with perf_event_paranoid=3 + kptr_restrict perf pmu: Validate raw event with sysfs exported format bits perf synthetic events: Avoid write of uninitialized memory when generating PERF_RECORD_MMAP* records tools headers UAPI: Sync linux/kvm.h with the kernel sources perf synthetic-events: Fix uninitialized 'kernel_thread' variable perf auxtrace: Fix auxtrace queue conflict
2021-03-28Merge tag 'auxdisplay-for-linus-v5.12-rc6' of git://github.com/ojeda/linuxLinus Torvalds
Pull auxdisplay fix from Miguel Ojeda: "Remove in_interrupt() usage (Sebastian Andrzej Siewior)" * tag 'auxdisplay-for-linus-v5.12-rc6' of git://github.com/ojeda/linux: auxdisplay: Remove in_interrupt() usage.
2021-03-28Merge tag 'x86-urgent-2021-03-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Two fixes: - Fix build failure on Ubuntu with new GCC packages that turn on -fcf-protection - Fix SME memory encryption PTE encoding bug - AFAICT the code worked on 4K page sizes (level 1) but had the wrong shift at higher page level orders (level 2 and higher)" * tag 'x86-urgent-2021-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Turn off -fcf-protection for realmode targets x86/mem_encrypt: Correct physical address calculation in __set_clr_pte_enc()
2021-03-28Merge tag 'locking-urgent-2021-03-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Ingo Molnar: "Fix the non-debug mutex_lock_io_nested() method to map to mutex_lock_io() instead of mutex_lock(). Right now nothing uses this API explicitly, but this is an accident waiting to happen" * tag 'locking-urgent-2021-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/mutex: Fix non debug version of mutex_lock_io_nested()
2021-03-28Merge tag '5.12-rc4-smb3' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Five cifs/smb3 fixes, two for stable. Includes an important fix for encryption and an ACL fix, as well as a fix for possible reflink data corruption" * tag '5.12-rc4-smb3' of git://git.samba.org/sfrench/cifs-2.6: smb3: fix cached file size problems in duplicate extents (reflink) cifs: Silently ignore unknown oplock break handle cifs: revalidate mapping when we open files for SMB1 POSIX cifs: Fix chmod with modefromsid when an older ACE already exists. cifs: Adjust key sizes and key generation routines for AES256 encryption
2021-03-28Merge tag 'io_uring-5.12-2021-03-27' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: - Use thread info versions of flag testing, as discussed last week. - The series enabling PF_IO_WORKER to just take signals, instead of needing to special case that they do not in a bunch of places. Ends up being pretty trivial to do, and then we can revert all the special casing we're currently doing. - Kill dead pointer assignment - Fix hashed part of async work queue trace - Fix sign extension issue for IORING_OP_PROVIDE_BUFFERS - Fix a link completion ordering regression in this merge window - Cancellation fixes * tag 'io_uring-5.12-2021-03-27' of git://git.kernel.dk/linux-block: io_uring: remove unsued assignment to pointer io io_uring: don't cancel extra on files match io_uring: don't cancel-track common timeouts io_uring: do post-completion chore on t-out cancel io_uring: fix timeout cancel return code Revert "signal: don't allow STOP on PF_IO_WORKER threads" Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" Revert "kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals" Revert "signal: don't allow sending any signals to PF_IO_WORKER threads" kernel: stop masking signals in create_io_thread() io_uring: handle signals for IO threads like a normal thread kernel: don't call do_exit() for PF_IO_WORKER threads io_uring: maintain CQE order of a failed link io-wq: fix race around pending work on teardown io_uring: do ctx sqd ejection in a clear context io_uring: fix provide_buffers sign extension io_uring: don't skip file_end_write() on reissue io_uring: correct io_queue_async_work() traces io_uring: don't use {test,clear}_tsk_thread_flag() for current
2021-03-28Merge tag 'block-5.12-2021-03-27' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: - Fix regression from this merge window with the xarray partition change, which allowed partition counts that overflow the u8 that holds the partition number (Ming) - Fix zone append warning (Johannes) - Segmentation count fix for multipage bvecs (David) - Partition scan fix (Chris) * tag 'block-5.12-2021-03-27' of git://git.kernel.dk/linux-block: block: don't create too many partitions block: support zone append bvecs block: recalculate segment count for multi-segment discards correctly block: clear GD_NEED_PART_SCAN later in bdev_disk_changed
2021-03-28Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Seven fixes, all in drivers (qla2xxx, mkt3sas, qedi, target, ibmvscsi). The most serious are the target pscsi oom and the qla2xxx revert which can otherwise cause a use after free" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: target: pscsi: Clean up after failure in pscsi_map_sg() scsi: target: pscsi: Avoid OOM in pscsi_map_sg() scsi: mpt3sas: Fix error return code of mpt3sas_base_attach() scsi: qedi: Fix error return code of qedi_alloc_global_queues() scsi: Revert "qla2xxx: Make sure that aborted commands are freed" scsi: ibmvfc: Make ibmvfc_wait_for_ops() MQ aware scsi: ibmvfc: Fix potential race in ibmvfc_wait_for_ops()
2021-03-28MAINTAINERS: add backups for s390 vfio driversMatthew Rosato
Add a backup for s390 vfio-pci, an additional backup for vfio-ccw and replace the backup for vfio-ap as Pierre is focusing on other areas. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Acked-by: Eric Farman <farman@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Acked-by: Pierre Morel <pmorel@linux.ibm.com> Acked-by: Jason J. Herne <jjherne@linux.ibm.com> Link: https://lore.kernel.org/r/1616679712-7139-1-git-send-email-mjrosato@linux.ibm.com Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2021-03-28staging: rtl8723bs: remove unused macros in include/drv_types.cFabio Aiuto
remove declarations of unused macros Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/b405202e5bace2098dd7c787297f700cc1c030e0.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: include macro in a do - while loop in core/rtw_security.cFabio Aiuto
fix the following checkpatch warning: ERROR: Macros with multiple statements should be enclosed in a do - while loop 2014: FILE: drivers/staging/rtl8723bs/core/rtw_security.c:2014: +#define ROUND(i, d, s) \ Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/0f176b08b7a49d6649ff9d5468bd912e58c1db06.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused fields in struct security_privFabio Aiuto
remove unused fields in struct security_priv Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/b7ff4cda1cd4cd4e73120f8526ff53a745bcffa8.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove macros updating unused fields in struct security_privFabio Aiuto
remove macros updating statistic fields in struct security_priv Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/00c13a16f0034884a916855a7b7d782d6d05d4c1.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: put parentheses on macros with complex values in ↵Fabio Aiuto
include/wifi.h fix the following checkpatch warnings: ERROR: Macros with complex values should be enclosed in parentheses 114: FILE: drivers/staging/rtl8723bs/include/wifi.h:114: +#define SetToDs(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 122: FILE: drivers/staging/rtl8723bs/include/wifi.h:122: +#define SetFrDs(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 132: FILE: drivers/staging/rtl8723bs/include/wifi.h:132: +#define SetMFrag(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 137: FILE: drivers/staging/rtl8723bs/include/wifi.h:137: +#define ClearMFrag(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 145: FILE: drivers/staging/rtl8723bs/include/wifi.h:145: +#define ClearRetry(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 148: FILE: drivers/staging/rtl8723bs/include/wifi.h:148: +#define SetPwrMgt(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 153: FILE: drivers/staging/rtl8723bs/include/wifi.h:153: +#define ClearPwrMgt(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 156: FILE: drivers/staging/rtl8723bs/include/wifi.h:156: +#define SetMData(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 161: FILE: drivers/staging/rtl8723bs/include/wifi.h:161: +#define ClearMData(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 164: FILE: drivers/staging/rtl8723bs/include/wifi.h:164: +#define SetPrivacy(pbuf) \ -- ERROR: Macros with complex values should be enclosed in parentheses 220: FILE: drivers/staging/rtl8723bs/include/wifi.h:220: +#define SetDuration(pbuf, dur) \ -- ERROR: Macros with complex values should be enclosed in parentheses 224: FILE: drivers/staging/rtl8723bs/include/wifi.h:224: +#define SetPriority(pbuf, tid) \ -- ERROR: Macros with complex values should be enclosed in parentheses 229: FILE: drivers/staging/rtl8723bs/include/wifi.h:229: +#define SetEOSP(pbuf, eosp) \ -- ERROR: Macros with complex values should be enclosed in parentheses 232: FILE: drivers/staging/rtl8723bs/include/wifi.h:232: +#define SetAckpolicy(pbuf, ack) \ Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/99d3e605501c1792035e7403d6da86243e6b48cb.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macros in include/wifi.hFabio Aiuto
remove declarations of unused macros in include/wifi.h Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/1192085c7e891f801751f3adb7884083a2999483.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: add spaces around operator in include/rtw_pwrctrl.hFabio Aiuto
fix post-commit hook checkpatch warning: add a space around that '*' Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/d0695bf94766ee68aba70daaa1cdefff64c38b62.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: put parentheses on macros with complex values in ↵Fabio Aiuto
include/rtw_pwrctrl.h fix the following checkpatch warnings: ERROR: Macros with complex values should be enclosed in parentheses 92: FILE: drivers/staging/rtl8723bs/include/rtw_pwrctrl.h:92: +#define LPS_DELAY_TIME 1*HZ /* 1 sec */ -- ERROR: Macros with complex values should be enclosed in parentheses 244: FILE: drivers/staging/rtl8723bs/include/rtw_pwrctrl.h:244: +#define rtw_ips_mode_req(pwrctl, ips_mode) \ Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/b3b7cf5ae7b0c1c07a629b618fd86a7b89331b33.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove commented code line in os_dep/ioctl_linux.cFabio Aiuto
remove commented code line using obsolete definitions Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/ed9cab77a9a7dc1bcae4b6a42e16108e7833ac4b.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused field in rereg_nd_name_data structFabio Aiuto
remove unused field old_ips_mode in struct rereg_nd_name_data Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/e47b4092f12c4930b7185ecdd59b1d0611dd09e7.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macro in include/rtw_pwrctrl.hFabio Aiuto
remove unused macro reading field ips_mode_req of struct pwrctrl_priv Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/39805614be82f1fd90ee460ffedb8a7beb99dce9.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macros in include/hal_phy.hFabio Aiuto
remove declarations of unused macros in include/hal_phy.h Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/a001f2b2b8fb0ffa73ffe2e79f45a4a8e92cdf2a.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: add spaces around operators in include/hal_data.hFabio Aiuto
add spaces around operators in a macro Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/4186cc811caa92fe0625d06b3803e73f424059a6.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: put parentheses on macros with complex values in ↵Fabio Aiuto
include/hal_data.h fix the following checkpatch warning: ERROR: Macros with complex values should be enclosed in parentheses 49: FILE: drivers/staging/rtl8723bs/include/hal_data.h:49: +#define CHANNEL_MAX_NUMBER 14+24+21 /* 14 is the max channel number */ Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/22c4bc695d3600fcaec18949c7521fa38aa4f4a0.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macros in include/hal_data.hFabio Aiuto
remove declarations of unused macros in include/hal_data.h Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/5ad16f41ae356e09156a0f3018eef9cffd3c59a7.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macros in include/hal_com_reg.hFabio Aiuto
remove declarations of unused macros in include/hal_com_reg.h Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/4a5f1016f46ded3fe9b96a85aff3a5a320e29ab9.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: added spaces around operators in a macro in ↵Fabio Aiuto
include/hal_com.h added spaces around operators in macro expression Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/20e455aef3b24a46dafe32a8bb46804f284e3c1e.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: put parentheses on macro with complex values in ↵Fabio Aiuto
include/hal_com.h fix the following checkpatch warning: ERROR: Macros with complex values should be enclosed in parentheses 187: FILE: drivers/staging/rtl8723bs/include/hal_com.h:187: +#define PageNum_128(_Len) (u32)(((_Len)>>7) + ((_Len)&0x7F ? 1:0)) Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/3d187b860c3a104b00e97543390b2bbe3f2caa24.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: remove unused macros in include/hal_com.hFabio Aiuto
remove declarations of unused macros in include/hal_com.h Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/3914fc4c7182988c92b794357c7a3e4ef3b484d6.1616854134.git.fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28Staging: rtl8723bs: remove useless macrosMarco Cesati
Remove two 'no-op' macros, as well as two related unreferenced macros, in the staging/rtl8723bs driver. Signed-off-by: Marco Cesati <marcocesati@gmail.com> Link: https://lore.kernel.org/r/20210326174145.19427-2-marcocesati@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28Staging: rtl8723bs: remove obsolete commentsMarco Cesati
Remove some orphan comments in the staging/rtl8723bs driver Signed-off-by: Marco Cesati <marcocesati@gmail.com> Link: https://lore.kernel.org/r/20210326174145.19427-1-marcocesati@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: fix broken indentationFabio Aiuto
fix indentation broken by patch removing conditional code blocks checked by unused CONFIG_INTERRUPT_BASED_TXBCN family defines Fixes: 65f183001f6e (staging: rtl8723bs: remove unused code blocks conditioned by never set CONFIG_INTERRUPT_BASED_TXBCN*) Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com> Link: https://lore.kernel.org/r/20210326180632.1859-1-fabioaiuto83@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: hal: remove unused variable in HalBtc8723b1Ant.cEdmundo Carmona Antoranz
Variable btRssiState in halbtc8723b1ant_ActionWifiConnectedBtAclBusy() is set but never read. Removing it. Removing this warning: drivers/staging/rtl8723bs/hal/HalBtc8723b1Ant.c:2093:5: warning: variable ‘btRssiState’ set but not used [-Wunused-but-set-variable] Signed-off-by: Edmundo Carmona Antoranz <eantoranz@gmail.com> Link: https://lore.kernel.org/r/20210327001736.180881-3-eantoranz@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28staging: rtl8723bs: sdio_ops: removing unused variableEdmundo Carmona Antoranz
Inside sd_int_dpc(), variable report is set but it's never read. Getting rid of it. Removing this warning: drivers/staging/rtl8723bs/hal/sdio_ops.c:946:30: warning: variable ‘report’ set but not used [-Wunused-but-set-variable] Signed-off-by: Edmundo Carmona Antoranz <eantoranz@gmail.com> Link: https://lore.kernel.org/r/20210327001736.180881-4-eantoranz@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-28tomoyo: don't special case PF_IO_WORKER for PF_KTHREADJens Axboe
Since commit 3bfe6106693b6b4b ("io-wq: fork worker threads from original task") stopped using PF_KTHREAD flag for the io_uring PF_IO_WORKER threads, tomoyo_kernel_service() no longer needs to check PF_IO_WORKER flag. (This is a 5.12+ patch. Please don't send to stable kernels.) Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
2021-03-27io_uring: remove unsued assignment to pointer ioColin Ian King
There is an assignment to io that is never read after the assignment, the assignment is redundant and can be removed. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27io_uring: don't cancel extra on files matchPavel Begunkov
As tasks always wait and kill their io-wq on exec/exit, files are of no more concern to us, so we don't need to specifically cancel them by hand in those cases. Moreover we should not, because io_match_task() looks at req->task->files now, which is always true and so leads to extra cancellations, that wasn't a case before per-task io-wq. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/0566c1de9b9dd417f5de345c817ca953580e0e2e.1616696997.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27io_uring: don't cancel-track common timeoutsPavel Begunkov
Don't account usual timeouts (i.e. not linked) as REQ_F_INFLIGHT but keep behaviour prior to dd59a3d595cc1 ("io_uring: reliably cancel linked timeouts"). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/104441ef5d97e3932113d44501fda0df88656b83.1616696997.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27io_uring: do post-completion chore on t-out cancelPavel Begunkov
Don't forget about io_commit_cqring() + io_cqring_ev_posted() after exit/exec cancelling timeouts. Both functions declared only after io_kill_timeouts(), so to avoid tons of forward declarations move it down. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/72ace588772c0f14834a6a4185d56c445a366fb4.1616696997.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27io_uring: fix timeout cancel return codePavel Begunkov
When we cancel a timeout we should emit a sensible return code, like -ECANCELED but not 0, otherwise it may trick users. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/7b0ad1065e3bd1994722702bd0ba9e7bc9b0683b.1616696997.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27Revert "signal: don't allow STOP on PF_IO_WORKER threads"Jens Axboe
This reverts commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597. The IO threads allow and handle SIGSTOP now, so don't special case them anymore in task_set_jobctl_pending(). Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"Jens Axboe
This reverts commit 15b2219facadec583c24523eed40fa45865f859f. Before IO threads accepted signals, the freezer using take signals to wake up an IO thread would cause them to loop without any way to clear the pending signal. That is no longer the case, so stop special casing PF_IO_WORKER in the freezer. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27Revert "kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals"Jens Axboe
This reverts commit 6fb8f43cede0e4bd3ead847de78d531424a96be9. The IO threads do allow signals now, including SIGSTOP, and we can allow ptrace attach. Attaching won't reveal anything interesting for the IO threads, but it will allow eg gdb to attach to a task with io_urings and IO threads without complaining. And once attached, it will allow the usual introspection into regular threads. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27Revert "signal: don't allow sending any signals to PF_IO_WORKER threads"Jens Axboe
This reverts commit 5be28c8f85ce99ed2d329d2ad8bdd18ea19473a5. IO threads now take signals just fine, so there's no reason to limit them specifically. Revert the change that prevented that from happening. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27kernel: stop masking signals in create_io_thread()Jens Axboe
This is racy - move the blocking into when the task is created and we're marking it as PF_IO_WORKER anyway. The IO threads are now prepared to handle signals like SIGSTOP as well, so clear that from the mask to allow proper stopping of IO threads. Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Reported-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27io_uring: handle signals for IO threads like a normal threadJens Axboe
We go through various hoops to disallow signals for the IO threads, but there's really no reason why we cannot just allow them. The IO threads never return to userspace like a normal thread, and hence don't go through normal signal processing. Instead, just check for a pending signal as part of the work loop, and call get_signal() to handle it for us if anything is pending. With that, we can support receiving signals, including special ones like SIGSTOP. Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27block: don't create too many partitionsMing Lei
Commit a33df75c6328 ("block: use an xarray for disk->part_tbl") drops the check on max supported number of partitionsr, and allows partition with bigger partition numbers to be added. However, ->bd_partno is defined as u8, so partition index of xarray table may not match with ->bd_partno. Then delete_partition() may delete one unmatched partition, and caused use-after-free. Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reported-by: syzbot+8fede7e30c7cee0de139@syzkaller.appspotmail.com Fixes: a33df75c6328 ("block: use an xarray for disk->part_tbl") Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-27Merge tag 'icc-5.12-rc5' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-linus Georgi writes: interconnect fixes for v5.12 This contains a few tiny drivers and core fixes that have been reported during this cycle. - msm8939: Remove rpm-ids from non-RPM nodes - core: Fix error return code of icc_link_destroy() - core: Fix kerneldoc warning Signed-off-by: Georgi Djakov <djakov@kernel.org> * tag 'icc-5.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: interconnect: Fix kerneldoc warning interconnect: core: fix error return code of icc_link_destroy() interconnect: qcom: msm8939: remove rpm-ids from non-RPM nodes
2021-03-27Merge tag 'fpga-fixes-for-5.12' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus Moritz writes: FPGA Manager fixes for 5.12 Richard's fix addresses an errornously flipped flag. All patches have been reviewed on the mailing list, and have been in the last few linux-next releases (as part of my fixes branch) without issues. Signed-off-by: Moritz Fischer <mdf@kernel.org> * tag 'fpga-fixes-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga: firmware: stratix10-svc: reset COMMAND_RECONFIG_FLAG_PARTIAL to 0
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