- Aug 10, 2021
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Colin Ian King authored
Currently the call to _base_static_config_pages() is assigning the error return to variable 'rc' but checking the error return in error 'r'. Fix this by assigning the error return to variable 'r' instead of 'rc'. Link: https://lore.kernel.org/r/20210804134940.114011-1-colin.king@canonical.com Fixes: 19a622c3 ("scsi: mpt3sas: Handle firmware faults during first half of IOC init") Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Addresses-Coverity: ("Unused value")
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Michael Kelley authored
Commit 08f76547 ("scsi: storvsc: Update error logging") added more robust logging of errors, particularly those reported as Hyper-V errors. But this change produces extra logging noise in that TEST_UNIT_READY may report errors during the normal course of detecting device adds and removes. Fix this by logging TEST_UNIT_READY errors as warnings, so that log lines are produced only if the storvsc log level is changed to WARN level on the kernel boot line. Link: https://lore.kernel.org/r/1628269970-87876-1-git-send-email-mikelley@microsoft.com Fixes: 08f76547 ("scsi: storvsc: Update error logging") Signed-off-by:
Michael Kelley <mikelley@microsoft.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Ewan D. Milne authored
The phba->poll_list is traversed in case of an error in lpfc_sli4_hba_setup(), so it must be initialized earlier in case the error path is taken. [ 490.030738] lpfc 0000:65:00.0: 0:1413 Failed to init iocb list. [ 490.036661] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 490.044485] PGD 0 P4D 0 [ 490.047027] Oops: 0000 [#1] SMP PTI [ 490.050518] CPU: 0 PID: 7 Comm: kworker/0:1 Kdump: loaded Tainted: G I --------- - - 4.18. [ 490.060511] Hardware name: Dell Inc. PowerEdge R440/0WKGTH, BIOS 1.4.8 05/22/2018 [ 490.067994] Workqueue: events work_for_cpu_fn [ 490.072371] RIP: 0010:lpfc_sli4_cleanup_poll_list+0x20/0xb0 [lpfc] [ 490.078546] Code: cf e9 04 f7 fe ff 0f 1f 40 00 0f 1f 44 00 00 41 57 49 89 ff 41 56 41 55 41 54 4d 8d a79 [ 490.097291] RSP: 0018:ffffbd1a463dbcc8 EFLAGS: 00010246 [ 490.102518] RAX: 0000000000008200 RBX: ffff945cdb8c0000 RCX: 0000000000000000 [ 490.109649] RDX: 0000000000018200 RSI: ffff9468d0e16818 RDI: 0000000000000000 [ 490.116783] RBP: ffff945cdb8c1740 R08: 00000000000015c5 R09: 0000000000000042 [ 490.123915] R10: 0000000000000000 R11: ffffbd1a463dbab0 R12: ffff945cdb8c25c0 [ 490.131049] R13: 00000000fffffff4 R14: 0000000000001800 R15: ffff945cdb8c0000 [ 490.138182] FS: 0000000000000000(0000) GS:ffff9468d0e00000(0000) knlGS:0000000000000000 [ 490.146267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 490.152013] CR2: 0000000000000000 CR3: 000000042ca10002 CR4: 00000000007706f0 [ 490.159146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 490.166277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 490.173409] PKRU: 55555554 [ 490.176123] Call Trace: [ 490.178598] lpfc_sli4_queue_destroy+0x7f/0x3c0 [lpfc] [ 490.183745] lpfc_sli4_hba_setup+0x1bc7/0x23e0 [lpfc] [ 490.188797] ? kernfs_activate+0x63/0x80 [ 490.192721] ? kernfs_add_one+0xe7/0x130 [ 490.196647] ? __kernfs_create_file+0x80/0xb0 [ 490.201020] ? lpfc_pci_probe_one_s4.isra.48+0x46f/0x9e0 [lpfc] [ 490.206944] lpfc_pci_probe_one_s4.isra.48+0x46f/0x9e0 [lpfc] [ 490.212697] lpfc_pci_probe_one+0x179/0xb70 [lpfc] [ 490.217492] local_pci_probe+0x41/0x90 [ 490.221246] work_for_cpu_fn+0x16/0x20 [ 490.224994] process_one_work+0x1a7/0x360 [ 490.229009] ? create_worker+0x1a0/0x1a0 [ 490.232933] worker_thread+0x1cf/0x390 [ 490.236687] ? create_worker+0x1a0/0x1a0 [ 490.240612] kthread+0x116/0x130 [ 490.243846] ? kthread_flush_work_fn+0x10/0x10 [ 490.248293] ret_from_fork+0x35/0x40 [ 490.251869] Modules linked in: lpfc(+) xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4i [ 490.332609] CR2: 0000000000000000 Link: https://lore.kernel.org/r/20210809150947.18104-1-emilne@redhat.com Fixes: 93a4d6f4 ("scsi: lpfc: Add registration for CPU Offline/Online events") Cc: stable@vger.kernel.org Reviewed-by:
James Smart <jsmart2021@gmail.com> Signed-off-by:
Ewan D. Milne <emilne@redhat.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 30, 2021
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lijinlin authored
After adding physical volumes to a volume group through vgextend, the kernel will rescan the partitions. This in turn will cause the device capacity to be queried. If the device status is set to offline through sysfs at this time, READ CAPACITY command will return a result which the host byte is DID_NO_CONNECT, and the capacity of the device will be set to zero in read_capacity_error(). After setting device status back to running, the capacity of the device will remain stuck at zero. Fix this issue by rescanning device when the device state changes to SDEV_RUNNING. Link: https://lore.kernel.org/r/20210727034455.1494960-1-lijinlin3@huawei.com Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
lijinlin <lijinlin3@huawei.com> Signed-off-by:
Wu Bo <wubo40@huawei.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Li Manyi authored
Media event code 3 is defined in the MMC-6 spec as follows: "MediaRemoval: The media has been removed from the specified slot, and the Drive is unable to access the media without user intervention. This applies to media changers only." This indicated that treating the condition as an EJECT_REQUEST was appropriate. However, doing so had the unfortunate side-effect of causing the drive tray to be physically ejected on resume. Instead treat the event as a MEDIA_CHANGE request. Fixes: 7dd753ca ("scsi: sr: Return appropriate error code when disk is ejected") Link: https://bugzilla.kernel.org/show_bug.cgi?id=213759 Link: https://lore.kernel.org/r/20210726114913.6760-1-limanyi@uniontech.com Signed-off-by:
Li Manyi <limanyi@uniontech.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Tyrel Datwyler authored
Prior to commit 1f4a4a19 ("scsi: ibmvfc: Complete commands outside the host/queue lock") responses to commands were completed sequentially with the host lock held such that a command had a basic binary state of active or free. It was therefore a simple affair of ensuring the assocaiated ibmvfc_event to a VIOS response was valid by testing that it was not already free. The lock relexation work to complete commands outside the lock inadverdently made it a trinary command state such that a command is either in flight, received and being completed, or completed and now free. This breaks the stale command detection logic as a command may be still marked active and been placed on the delayed completion list when a second stale response for the same command arrives. This can lead to double completions and list corruption. This issue was exposed by a recent VIOS regression were a missing memory barrier could occasionally result in the ibmvfc client receiving a duplicate response for the same command. Fix the issue by introducing the atomic ibmvfc_event.active to track the trinary state of a command. The state is explicitly set to 1 when a command is successfully sent. The CRQ response handlers use atomic_dec_if_positive() to test for stale responses and correctly transition to the completion state when a active command is received. Finally, atomic_dec_and_test() is used to sanity check transistions when commands are freed as a result of a completion, or moved to the purge list as a result of error handling or adapter reset. Link: https://lore.kernel.org/r/20210716205220.1101150-1-tyreld@linux.ibm.com Fixes: 1f4a4a19 ("scsi: ibmvfc: Complete commands outside the host/queue lock") Cc: stable@vger.kernel.org Signed-off-by:
Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Sreekanth Reddy authored
Avoid printing a 'target allocation failed' error if the driver target_alloc() callback function returns -ENXIO. This return value indicates that the corresponding H:C:T:L entry is empty. Removing this error reduces the scan time if the user issues SCAN_WILD_CARD scan operation through sysfs parameter on a host with a lot of empty H:C:T:L entries. Avoiding the printk on -ENXIO matches the behavior of the other callback functions during scanning. Link: https://lore.kernel.org/r/20210726115402.1936-1-sreekanth.reddy@broadcom.com Signed-off-by:
Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Ye Bin authored
The following BUG_ON() was observed during RDAC scan: [595952.944297] kernel BUG at drivers/scsi/device_handler/scsi_dh_rdac.c:427! [595952.951143] Internal error: Oops - BUG: 0 [#1] SMP ...... [595953.251065] Call trace: [595953.259054] check_ownership+0xb0/0x118 [595953.269794] rdac_bus_attach+0x1f0/0x4b0 [595953.273787] scsi_dh_handler_attach+0x3c/0xe8 [595953.278211] scsi_dh_add_device+0xc4/0xe8 [595953.282291] scsi_sysfs_add_sdev+0x8c/0x2a8 [595953.286544] scsi_probe_and_add_lun+0x9fc/0xd00 [595953.291142] __scsi_scan_target+0x598/0x630 [595953.295395] scsi_scan_target+0x120/0x130 [595953.299481] fc_user_scan+0x1a0/0x1c0 [scsi_transport_fc] [595953.304944] store_scan+0xb0/0x108 [595953.308420] dev_attr_store+0x44/0x60 [595953.312160] sysfs_kf_write+0x58/0x80 [595953.315893] kernfs_fop_write+0xe8/0x1f0 [595953.319888] __vfs_write+0x60/0x190 [595953.323448] vfs_write+0xac/0x1c0 [595953.326836] ksys_write+0x74/0xf0 [595953.330221] __arm64_sys_write+0x24/0x30 Code is in check_ownership: list_for_each_entry_rcu(tmp, &h->ctlr->dh_list, node) { /* h->sdev should always be valid */ BUG_ON(!tmp->sdev); tmp->sdev->access_state = access_state; } rdac_bus_attach initialize_controller list_add_rcu(&h->node, &h->ctlr->dh_list); h->sdev = sdev; rdac_bus_detach list_del_rcu(&h->node); h->sdev = NULL; Fix the race between rdac_bus_attach() and rdac_bus_detach() where h->sdev is NULL when processing the RDAC attach. Link: https://lore.kernel.org/r/20210113063103.2698953-1-yebin10@huawei.com Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
Ye Bin <yebin10@huawei.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 29, 2021
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Harshvardhan Jha authored
The list_for_each_entry() iterator, "adapter" in this code, can never be NULL. If we exit the loop without finding the correct adapter then "adapter" points invalid memory that is an offset from the list head. This will eventually lead to memory corruption and presumably a kernel crash. Link: https://lore.kernel.org/r/20210708074642.23599-1-harshvardhan.jha@oracle.com Acked-by:
Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by:
Harshvardhan Jha <harshvardhan.jha@oracle.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Igor Pylypiv authored
The TMF timeout timer may trigger at the same time when the response from a controller is being handled. When this happens the SAS task may get freed before the response processing is finished. Fix this by calling complete() only when SAS_TASK_STATE_DONE is not set. A similar race condition was fixed in commit b90cd6f2 ("scsi: libsas: fix a race condition when smp task timeout") Link: https://lore.kernel.org/r/20210707185945.35559-1-ipylypiv@google.com Reviewed-by:
Vishakha Channapattan <vishakhavc@google.com> Acked-by:
Jack Wang <jinpu.wang@ionos.com> Signed-off-by:
Igor Pylypiv <ipylypiv@google.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 21, 2021
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David Disseldorp authored
CPU affinity control added with commit 39ae3edd ("scsi: target: core: Make completion affinity configurable") makes target_complete_cmd() queue work on a CPU based on se_tpg->se_tpg_wwn->cmd_compl_affinity state. LIO's EXTENDED COPY worker is a special case in that read/write cmds are dispatched using the global xcopy_pt_tpg, which carries a NULL se_tpg_wwn pointer following initialization in target_xcopy_setup_pt(). The NULL xcopy_pt_tpg->se_tpg_wwn pointer is dereferenced on completion of any EXTENDED COPY initiated read/write cmds. E.g using the libiscsi SCSI.ExtendedCopy.Simple test: BUG: kernel NULL pointer dereference, address: 00000000000001a8 RIP: 0010:target_complete_cmd+0x9d/0x130 [target_core_mod] Call Trace: fd_execute_rw+0x148/0x42a [target_core_file] ? __dynamic_pr_debug+0xa7/0xe0 ? target_check_reservation+0x5b/0x940 [target_core_mod] __target_execute_cmd+0x1e/0x90 [target_core_mod] transport_generic_new_cmd+0x17c/0x330 [target_core_mod] target_xcopy_issue_pt_cmd+0x9/0x60 [target_core_mod] target_xcopy_read_source.isra.7+0x10b/0x1b0 [target_core_mod] ? target_check_fua+0x40/0x40 [target_core_mod] ? transport_complete_task_attr+0x130/0x130 [target_core_mod] target_xcopy_do_work+0x61f/0xc00 [target_core_mod] This fix makes target_complete_cmd() queue work on se_cmd->cpuid if se_tpg_wwn is NULL. Link: https://lore.kernel.org/r/20210720225522.26291-1-ddiss@suse.de Fixes: 39ae3edd ("scsi: target: core: Make completion affinity configurable") Cc: Lee Duncan <lduncan@suse.com> Cc: Mike Christie <michael.christie@oracle.com> Reviewed-by:
Mike Christie <michael.christie@oracle.com> Signed-off-by:
David Disseldorp <ddiss@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 20, 2021
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Sreekanth Reddy authored
The IOC firmware assumes that the host driver is still alive after shutdown and continues to post events to host memory (due to faulty expander phy links, etc). This leads to 0x2666 (a bus fault occurred during a host-IOC memory access). Perform an IOC soft reset as part of shutdown to disable event posting. Link: https://lore.kernel.org/r/20210705145951.32258-1-sreekanth.reddy@broadcom.com Signed-off-by:
Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 19, 2021
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Dmitry Bogdanov authored
WRITE SAME(32) command handling reads WRPROTECT at the wrong offset in 1st byte instead of 10th byte. Link: https://lore.kernel.org/r/20210702091655.22818-1-d.bogdanov@yadro.com Fixes: afd73f1b ("target: Perform PROTECT sanity checks for WRITE_SAME") Signed-off-by:
Dmitry Bogdanov <d.bogdanov@yadro.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Mike Christie authored
A ISCSI_IFACE_PARAM can have the same value as a ISCSI_NET_PARAM so when iscsi_iface_attr_is_visible tries to figure out the type by just checking the value, we can collide and return the wrong type. When we call into the driver we might not match and return that we don't want attr visible in sysfs. The patch fixes this by setting the type when we figure out what the param is. Link: https://lore.kernel.org/r/20210701002559.89533-1-michael.christie@oracle.com Fixes: 3e0f65b3 ("[SCSI] iscsi_transport: Additional parameters for network settings") Signed-off-by:
Mike Christie <michael.christie@oracle.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 13, 2021
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Jaegeuk Kim authored
This patch adds a host_lock which existed before on ufshcd_vops_setup_xfer_req(). Link: https://lore.kernel.org/r/20210701005117.3846179-1-jaegeuk@kernel.org Fixes: a45f9371 ("scsi: ufs: Optimize host lock on transfer requests send/compl paths") Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Can Guo <cang@codeaurora.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Sreekanth Reddy authored
Fix for the following W=1 compilation warning: 'strncpy' output may be truncated copying 16 bytes from a string of length 64 Link: https://lore.kernel.org/r/20210707081756.20922-1-sreekanth.reddy@broadcom.com Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Randy Dunlap authored
Fix kernel-doc warnings then test again, wash, rinse, find more, then repeat more/again. Also fix spellos, some grammar, and some punctuation. ../drivers/scsi/pm8001/pm8001_ctl.c:557: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst ** pm8001_ctl_fatal_log_show - fatal error logging ../drivers/scsi/pm8001/pm8001_ctl.c:577: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst ** non_fatal_log_show - non fatal error logging ../drivers/scsi/pm8001/pm8001_ctl.c:622: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst ** pm8001_ctl_gsm_log_show - gsm dump collection Link: https://lore.kernel.org/r/20210708165723.8594-1-rdunlap@infradead.org Cc: Jack Wang <jinpu.wang@cloud.ionos.com> Cc: linux-scsi@vger.kernel.org Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Acked-by:
Jack Wang <jinpu.wang@ionos.com> Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
On remote cable pull, a zfcp_port keeps its status and only gets ZFCP_STATUS_PORT_LINK_TEST added. Only after an ADISC timeout, we would actually start port recovery and remove ZFCP_STATUS_COMMON_UNBLOCKED which zfcp_sysfs_port_fc_security_show() detected and reported as "unknown" instead of the old and possibly stale zfcp_port->connection_info. Add check for ZFCP_STATUS_PORT_LINK_TEST for timely "unknown" report. Link: https://lore.kernel.org/r/20210702160922.2667874-1-maier@linux.ibm.com Fixes: a17c7846 ("scsi: zfcp: report FC Endpoint Security in sysfs") Cc: <stable@vger.kernel.org> #5.7+ Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Tyrel Datwyler authored
Commit 66a834d0 ("scsi: core: Fix error handling of scsi_host_alloc()") changed the allocation logic to call put_device() to perform host cleanup with the assumption that IDA removal and stopping the kthread would properly be performed in scsi_host_dev_release(). However, in the unlikely case that the error handler thread fails to spawn, shost->ehandler is set to ERR_PTR(-ENOMEM). The error handler cleanup code in scsi_host_dev_release() will call kthread_stop() if shost->ehandler != NULL which will always be the case whether the kthread was successfully spawned or not. In the case that it failed to spawn this has the nasty side effect of trying to dereference an invalid pointer when kthread_stop() is called. The following splat provides an example of this behavior in the wild: scsi host11: error handler thread failed to spawn, error = -4 Kernel attempted to read user page (10c) - exploit attempt? (uid: 0) BUG: Kernel NULL pointer dereference on read at 0x0000010c Faulting instruction address: 0xc00000000818e9a8 Oops: Kernel access of bad area, sig: 11 [#1] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries Modules linked in: ibmvscsi(+) scsi_transport_srp dm_multipath dm_mirror dm_region hash dm_log dm_mod fuse overlay squashfs loop CPU: 12 PID: 274 Comm: systemd-udevd Not tainted 5.13.0-rc7 #1 NIP: c00000000818e9a8 LR: c0000000089846e8 CTR: 0000000000007ee8 REGS: c000000037d12ea0 TRAP: 0300 Not tainted (5.13.0-rc7) MSR: 800000000280b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 28228228 XER: 20040001 CFAR: c0000000089846e4 DAR: 000000000000010c DSISR: 40000000 IRQMASK: 0 GPR00: c0000000089846e8 c000000037d13140 c000000009cc1100 fffffffffffffffc GPR04: 0000000000000001 0000000000000000 0000000000000000 c000000037dc0000 GPR08: 0000000000000000 c000000037dc0000 0000000000000001 00000000fffff7ff GPR12: 0000000000008000 c00000000a049000 c000000037d13d00 000000011134d5a0 GPR16: 0000000000001740 c0080000190d0000 c0080000190d1740 c000000009129288 GPR20: c000000037d13bc0 0000000000000001 c000000037d13bc0 c0080000190b7898 GPR24: c0080000190b7708 0000000000000000 c000000033bb2c48 0000000000000000 GPR28: c000000046b28280 0000000000000000 000000000000010c fffffffffffffffc NIP [c00000000818e9a8] kthread_stop+0x38/0x230 LR [c0000000089846e8] scsi_host_dev_release+0x98/0x160 Call Trace: [c000000033bb2c48] 0xc000000033bb2c48 (unreliable) [c0000000089846e8] scsi_host_dev_release+0x98/0x160 [c00000000891e960] device_release+0x60/0x100 [c0000000087e55c4] kobject_release+0x84/0x210 [c00000000891ec78] put_device+0x28/0x40 [c000000008984ea4] scsi_host_alloc+0x314/0x430 [c0080000190b38bc] ibmvscsi_probe+0x54/0xad0 [ibmvscsi] [c000000008110104] vio_bus_probe+0xa4/0x4b0 [c00000000892a860] really_probe+0x140/0x680 [c00000000892aefc] driver_probe_device+0x15c/0x200 [c00000000892b63c] device_driver_attach+0xcc/0xe0 [c00000000892b740] __driver_attach+0xf0/0x200 [c000000008926f28] bus_for_each_dev+0xa8/0x130 [c000000008929ce4] driver_attach+0x34/0x50 [c000000008928fc0] bus_add_driver+0x1b0/0x300 [c00000000892c798] driver_register+0x98/0x1a0 [c00000000810eb60] __vio_register_driver+0x80/0xe0 [c0080000190b4a30] ibmvscsi_module_init+0x9c/0xdc [ibmvscsi] [c0000000080121d0] do_one_initcall+0x60/0x2d0 [c000000008261abc] do_init_module+0x7c/0x320 [c000000008265700] load_module+0x2350/0x25b0 [c000000008265cb4] __do_sys_finit_module+0xd4/0x160 [c000000008031110] system_call_exception+0x150/0x2d0 [c00000000800d35c] system_call_common+0xec/0x278 Fix this be nulling shost->ehandler when the kthread fails to spawn. Link: https://lore.kernel.org/r/20210701195659.3185475-1-tyreld@linux.ibm.com Fixes: 66a834d0 ("scsi: core: Fix error handling of scsi_host_alloc()") Cc: stable@vger.kernel.org Reviewed-by:
Ming Lei <ming.lei@redhat.com> Signed-off-by:
Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Use SAM_STAT_GOOD instead of GOOD since GOOD has been removed. Link: https://lore.kernel.org/r/20210711033623.11267-1-bvanassche@acm.org Fixes: 3d45cefc ("scsi: core: Drop obsolete Linux-specific SCSI status codes") Fixes: df130314 ("scsi: fas216: Use get_status_byte() to avoid using Linux-specific status codes") Cc: Hannes Reinecke <hare@suse.de> Reviewed-by:
Hannes Reinecke <hare@suse.de> Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
The unit of the scsi_execute() timeout parameter is 1/HZ seconds instead of one second, just like the timeouts used in the block layer. Fix the documentation header above the definition of the scsi_execute() macro. Link: https://lore.kernel.org/r/20210709202638.9480-3-bvanassche@acm.org Fixes: "[SCSI] use scatter lists for all block pc requests and simplify hw handlers" # v2.6.16.28 Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: Hannes Reinecke <hare@suse.de> Cc: Ming Lei <ming.lei@redhat.com> Cc: John Garry <john.garry@huawei.com> Reviewed-by:
Avri Altman <avri.altman@wdc.com> Reviewed-by:
Hannes Reinecke <hare@suse.de> Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Jul 12, 2021
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Linus Torvalds authored
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Hugh Dickins authored
I know nothing about zone_device pages and !device_private pages; but if try_to_migrate_one() will do nothing for them, then it's better that try_to_migrate() filter them first, than trawl through all their vmas. Signed-off-by:
Hugh Dickins <hughd@google.com> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Reviewed-by:
Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/1241d356-8ec9-f47b-a5ec-9b2bf66d242@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Hugh Dickins authored
In the unlikely race case that page_mlock_one() finds VM_LOCKED has been cleared by the time it got page table lock, page_vma_mapped_walk_done() must be called before returning, either explicitly, or by a final call to page_vma_mapped_walk() - otherwise the page table remains locked. Fixes: cd62734c ("mm/rmap: split try_to_munlock from try_to_unmap") Signed-off-by:
Hugh Dickins <hughd@google.com> Reviewed-by:
Alistair Popple <apopple@nvidia.com> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Reported-by:
kernel test robot <oliver.sang@intel.com> Link: https://lore.kernel.org/lkml/20210711151446.GB4070@xsang-OptiPlex-9020/ Link: https://lore.kernel.org/lkml/f71f8523-cba7-3342-40a7-114abc5d1f51@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Hugh Dickins authored
The kernel recovers in due course from missing Mlocked pages: but there was no point in calling page_mlock() (formerly known as try_to_munlock()) on a THP, because nothing got done even when it was found to be mapped in another VM_LOCKED vma. It's true that we need to be careful: Mlocked accounting of pte-mapped THPs is too difficult (so consistently avoided); but Mlocked accounting of only-pmd-mapped THPs is supposed to work, even when multiple mappings are mlocked and munlocked or munmapped. Refine the tests. There is already a VM_BUG_ON_PAGE(PageDoubleMap) in page_mlock(), so page_mlock_one() does not even have to worry about that complication. (I said the kernel recovers: but would page reclaim be likely to split THP before rediscovering that it's VM_LOCKED? I've not followed that up) Fixes: 9a73f61b ("thp, mlock: do not mlock PTE-mapped file huge pages") Signed-off-by:
Hugh Dickins <hughd@google.com> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Acked-by:
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/lkml/cfa154c-d595-406-eb7d-eb9df730f944@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alistair Popple <apopple@nvidia.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Hugh Dickins authored
Parallel developments in mm/rmap.c have left behind some out-of-date comments: try_to_migrate_one() also accepts TTU_SYNC (already commented in try_to_migrate() itself), and try_to_migrate() returns nothing at all. TTU_SPLIT_FREEZE has just been deleted, so reword the comment about it in mm/huge_memory.c; and TTU_IGNORE_ACCESS was removed in 5.11, so delete the "recently referenced" comment from try_to_unmap_one() (once upon a time the comment was near the removed codeblock, but they drifted apart). Signed-off-by:
Hugh Dickins <hughd@google.com> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Reviewed-by:
Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/563ce5b2-7a44-5b4d-1dfd-59a0e65932a9@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fixes from Ingo Molnar: "Two fixes: - Fix a MIPS IRQ handling RCU bug - Remove a DocBook annotation for a parameter that doesn't exist anymore" * tag 'irq-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry genirq/irqdesc: Drop excess kernel-doc entry @lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Ingo Molnar: "Three fixes: - Fix load tracking bug/inconsistency - Fix a sporadic CFS bandwidth constraints enforcement bug - Fix a uclamp utilization tracking bug for newly woken tasks" * tag 'sched-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/uclamp: Ignore max aggregation if rq is idle sched/fair: Fix CFS bandwidth hrtimer expiry type sched/fair: Sync load_sum with load_avg after dequeue
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "A fix and a hardware-enablement addition: - Robustify uncore_snbep's skx_iio_set_mapping()'s error cleanup - Add cstate event support for Intel ICELAKE_X and ICELAKE_D" * tag 'perf-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/uncore: Clean up error handling path of iio mapping perf/x86/cstate: Add ICELAKE_X and ICELAKE_D support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: - Fix a Sparc crash - Fix a number of objtool warnings - Fix /proc/lockdep output on certain configs - Restore a kprobes fail-safe * tag 'locking-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/atomic: sparc: Fix arch_cmpxchg64_local() kprobe/static_call: Restore missing static_call_text_reserved() static_call: Fix static_call_text_reserved() vs __init jump_label: Fix jump_label_text_reserved() vs __init locking/lockdep: Fix meaningless /proc/lockdep output of lock classes on !CONFIG_PROVE_LOCKING
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull more SCSI updates from James Bottomley: "This is a set of minor fixes and clean ups in the core and various drivers. The only core change in behaviour is the I/O retry for spinup notify, but that shouldn't impact anything other than the failing case" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (23 commits) scsi: virtio_scsi: Add validation for residual bytes from response scsi: ipr: System crashes when seeing type 20 error scsi: core: Retry I/O for Notify (Enable Spinup) Required error scsi: mpi3mr: Fix warnings reported by smatch scsi: qedf: Add check to synchronize abort and flush scsi: MAINTAINERS: Add mpi3mr driver maintainers scsi: libfc: Fix array index out of bound exception scsi: mvsas: Use DEVICE_ATTR_RO()/RW() macro scsi: megaraid_mbox: Use DEVICE_ATTR_ADMIN_RO() macro scsi: qedf: Use DEVICE_ATTR_RO() macro scsi: qedi: Use DEVICE_ATTR_RO() macro scsi: message: mptfc: Switch from pci_ to dma_ API scsi: be2iscsi: Fix some missing space in some messages scsi: be2iscsi: Fix an error handling path in beiscsi_dev_probe() scsi: ufs: Fix build warning without CONFIG_PM scsi: bnx2fc: Remove meaningless bnx2fc_abts_cleanup() return value assignment scsi: qla2xxx: Add heartbeat check scsi: virtio_scsi: Do not overwrite SCSI status scsi: libsas: Add LUN number check in .slave_alloc callback scsi: core: Inline scsi_mq_alloc_queue() ...
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Linus Torvalds authored
Merge tag 'perf-tools-for-v5.14-2021-07-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tool updates from Arnaldo Carvalho de Melo: "New features: - Enable use of BPF counters with 'perf stat --for-each-cgroup', using per-CPU 'cgroup-switch' events with an attached BPF program that does aggregation per-cgroup in the kernel instead of using per-cgroup perf events. - Add Topdown metrics L2 events as default events in 'perf stat' for systems having those events. Hardware tracing: - Add a config for max loops without consuming a packet in the Intel PT packet decoder, set via 'perf config intel-pt.max-loops=N' Hardware enablement: - Disable misleading NMI watchdog message in 'perf stat' on hybrid systems such as Intel Alder Lake. - Add a dummy event on hybrid systems to collect metadata records. - Add 24x7 nest metric events for the Power10 platform. Fixes: - Fix event parsing for PMUs starting with the same prefix. - Fix the 'perf trace' 'trace' alias installation dir. - Fix buffer size to report iregs in perf script python scripts, supporting the extended registers in PowerPC. - Fix overflow in elf_sec__is_text(). - Fix 's' on source line when disasm is empty in the annotation TUI, accessible via 'perf annotate', 'perf report' and 'perf top'. - Plug leaks in scandir() returned dirent entries in 'perf test' when sorting the shell tests. - Fix --task and --stat with pipe input in 'perf report'. - Fix 'perf probe' use of debuginfo files by build id. - If a DSO has both dynsym and symtab ELF sections, read from both when loading the symbol table, fixing a problem processing Fedora 32 glibc DSOs. Libraries: - Add grouping of events to libperf, from code in tools/perf, allowing libperf users to use that mode. Misc: - Filter plt stubs from the 'perf probe --functions' output. - Update UAPI header copies for asound, DRM, mman-common.h and the ones affected by the quotactl_fd syscall" * tag 'perf-tools-for-v5.14-2021-07-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (29 commits) perf test: Add free() calls for scandir() returned dirent entries libperf: Add tests for perf_evlist__set_leader() libperf: Remove BUG_ON() from library code in get_group_fd() libperf: Add group support to perf_evsel__open() perf tools: Fix pattern matching for same substring in different PMU type perf record: Add a dummy event on hybrid systems to collect metadata records perf stat: Add Topdown metrics L2 events as default events libperf: Adopt evlist__set_leader() from tools/perf as perf_evlist__set_leader() libperf: Move 'nr_groups' from tools/perf to evlist::nr_groups libperf: Move 'leader' from tools/perf to perf_evsel::leader libperf: Move 'idx' from tools/perf to perf_evsel::idx libperf: Change tests to single static and shared binaries perf intel-pt: Add a config for max loops without consuming a packet perf stat: Disable the NMI watchdog message on hybrid perf vendor events power10: Adds 24x7 nest metric events for power10 platform perf script python: Fix buffer size to report iregs in perf script perf trace: Fix the perf trace link location perf top: Fix overflow in elf_sec__is_text() perf annotate: Fix 's' on source line when disasm is empty perf probe: Do not show @plt function by default ...
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- Jul 11, 2021
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linuxLinus Torvalds authored
Pull RTC updates from Alexandre Belloni: "Mostly documentation/comment changes and non urgent fixes. - add or fix SPDX identifiers - NXP pcf*: fix datasheet URLs - imxdi: add wakeup support - pcf2127: handle timestamp interrupts, this fixes a possible interrupt storm - bd70528: Drop BD70528 support" * tag 'rtc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits) rtc: pcf8523: rename register and bit defines rtc: pcf2127: handle timestamp interrupts rtc: at91sam9: Remove unnecessary offset variable checks rtc: s5m: Check return value of s5m_check_peding_alarm_interrupt() rtc: spear: convert to SPDX identifier rtc: tps6586x: convert to SPDX identifier rtc: tps80031: convert to SPDX identifier rtc: rtd119x: Fix format of SPDX identifier rtc: sc27xx: Fix format of SPDX identifier rtc: palmas: convert to SPDX identifier rtc: max6900: convert to SPDX identifier rtc: ds1374: convert to SPDX identifier rtc: au1xxx: convert to SPDX identifier rtc: pcf85063: Update the PCF85063A datasheet revision dt-bindings: rtc: ti,bq32k: take maintainership rtc: pcf8563: Fix the datasheet URL rtc: pcf85063: Fix the datasheet URL rtc: pcf2127: Fix the datasheet URL dt-bindings: rtc: ti,bq32k: Convert to json-schema dt-bindings: rtc: rx8900: Convert to YAML schema ...
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Mel Gorman authored
Commit dbbee9d5 ("mm/page_alloc: convert per-cpu list protection to local_lock") folded in a workaround patch for pahole that was unable to deal with zero-sized percpu structures. A superior workaround is achieved with commit a0b8200d ("kbuild: skip per-CPU BTF generation for pahole v1.18-v1.21"). This patch reverts the dummy field and the pahole version check. Fixes: dbbee9d5 ("mm/page_alloc: convert per-cpu list protection to local_lock") Signed-off-by:
Mel Gorman <mgorman@techsingularity.net> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Alexandre Belloni authored
arch/arm/mach-ixp4xx/include/mach/platform.h now gets included indirectly and defines REG_OFFSET. Rename the register and bit definition to something specific to the driver. Fixes: 7fd70c65 ("ARM: irqstat: Get rid of duplicated declaration") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210710211431.1393589-1-alexandre.belloni@bootlin.com
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "13 cifs/smb3 fixes. Most are to address minor issues pointed out by Coverity. Also includes a packet signing enhancement and mount improvement" * tag '5.14-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal version number cifs: prevent NULL deref in cifs_compose_mount_options() SMB3.1.1: Add support for negotiating signing algorithm cifs: use helpers when parsing uid/gid mount options and validate them CIFS: Clarify SMB1 code for POSIX Lock CIFS: Clarify SMB1 code for rename open file CIFS: Clarify SMB1 code for delete CIFS: Clarify SMB1 code for SetFileSize smb3: fix typo in header file CIFS: Clarify SMB1 code for UnixSetPathInfo CIFS: Clarify SMB1 code for UnixCreateSymLink cifs: clarify SMB1 code for UnixCreateHardLink cifs: make locking consistent around the server session status
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull pci fix from Bjorn Helgaas: "Revert host bridge window patch that fixed HP EliteDesk 805 G6, but broke ppc:sam460ex (Bjorn Helgaas)" * tag 'pci-v5.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: Revert "PCI: Coalesce host bridge contiguous apertures"
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxLinus Torvalds authored
Pull i3c updates from Alexandre Belloni: - two small fixes to the svc driver * tag 'i3c/for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: i3c: master: svc: fix doc warning in svc-i3c-master.c i3c: master: svc: drop free_irq of devm_request_irq allocated irq
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linuxLinus Torvalds authored
Pull thermal updates from Daniel Lezcano: - Add rk3568 sensor support (Finley Xiao) - Add missing MODULE_DEVICE_TABLE for the Spreadtrum sensor (Chunyan Zhang) - Export additionnal attributes for the int340x thermal processor (Srinivas Pandruvada) - Add SC7280 compatible for the tsens driver (Rajeshwari Ravindra Kamble) - Fix kernel documentation for thermal_zone_device_unregister() and use devm_platform_get_and_ioremap_resource() (Yang Yingliang) - Fix coefficient calculations for the rcar_gen3 sensor driver (Niklas Söderlund) - Fix shadowing variable rcar_gen3_ths_tj_1 (Geert Uytterhoeven) - Add missing of_node_put() for the iMX and Spreadtrum sensors (Krzysztof Kozlowski) - Add tegra3 thermal sensor DT bindings (Dmitry Osipenko) - Stop the thermal zone monitoring when unregistering it to prevent a temperature update without the 'get_temp' callback (Dmitry Osipenko) - Add rk3568 DT bindings, convert bindings to yaml schemas and add the corresponding compatible in the Rockchip sensor (Ezequiel Garcia) - Add the sc8180x compatible for the Qualcomm tsensor (Bjorn Andersson) - Use the find_first_zero_bit() function instead of custom code (Andy Shevchenko) - Fix the kernel doc for the device cooling device (Yang Li) - Reorg the processor thermal int340x to set the scene for the PCI mmio driver (Srinivas Pandruvada) - Add PCI MMIO driver for the int340x processor thermal driver (Srinivas Pandruvada) - Add hwmon sensors for the mediatek sensor (Frank Wunderlich) - Fix warning for return value reported by Smatch for the int340x thermal processor (Srinivas Pandruvada) - Fix wrong register access and decoding for the int340x thermal processor (Srinivas Pandruvada) * tag 'thermal-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (23 commits) thermal/drivers/int340x/processor_thermal: Fix tcc setting thermal/drivers/int340x/processor_thermal: Fix warning for return value thermal/drivers/mediatek: Add sensors-support thermal/drivers/int340x/processor_thermal: Add PCI MMIO based thermal driver thermal/drivers/int340x/processor_thermal: Split enumeration and processing part thermal: devfreq_cooling: Fix kernel-doc thermal/drivers/intel/intel_soc_dts_iosf: Switch to use find_first_zero_bit() dt-bindings: thermal: tsens: Add sc8180x compatible dt-bindings: rockchip-thermal: Support the RK3568 SoC compatible dt-bindings: thermal: convert rockchip-thermal to json-schema thermal/core/thermal_of: Stop zone device before unregistering it dt-bindings: thermal: Add binding for Tegra30 thermal sensor thermal/drivers/sprd: Add missing of_node_put for loop iteration thermal/drivers/imx_sc: Add missing of_node_put for loop iteration thermal/drivers/rcar_gen3_thermal: Do not shadow rcar_gen3_ths_tj_1 thermal/drivers/rcar_gen3_thermal: Fix coefficient calculations thermal/drivers/st: Use devm_platform_get_and_ioremap_resource() thermal/core: Correct function name thermal_zone_device_unregister() dt-bindings: thermal: tsens: Add compatible string to TSENS binding for SC7280 thermal/drivers/int340x: processor_thermal: Export additional attributes ...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds authored
Pull Kbuild updates from Masahiro Yamada: - Increase the -falign-functions alignment for the debug option. - Remove ugly libelf checks from the top Makefile. - Make the silent build (-s) more silent. - Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified. - Various script cleanups * tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (27 commits) scripts: add generic syscallnr.sh scripts: check duplicated syscall number in syscall table sparc: syscalls: use pattern rules to generate syscall headers parisc: syscalls: use pattern rules to generate syscall headers nds32: add arch/nds32/boot/.gitignore kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set kbuild: modpost: Explicitly warn about unprototyped symbols kbuild: remove trailing slashes from $(KBUILD_EXTMOD) kconfig.h: explain IS_MODULE(), IS_ENABLED() kconfig: constify long_opts scripts/setlocalversion: simplify the short version part scripts/setlocalversion: factor out 12-chars hash construction scripts/setlocalversion: add more comments to -dirty flag detection scripts/setlocalversion: remove workaround for old make-kpkg scripts/setlocalversion: remove mercurial, svn and git-svn supports kbuild: clean up ${quiet} checks in shell scripts kbuild: sink stdout from cmd for silent build init: use $(call cmd,) for generating include/generated/compile.h kbuild: merge scripts/mkmakefile to top Makefile sh: move core-y in arch/sh/Makefile to arch/sh/Kbuild ...
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