These are mostly minor updates. There are two drivers (lpfc and
mpi3mr) which missed the initial pull and a core change to retry a
start/stop unit which affect suspend/resume.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"These are mostly minor updates.
There are two drivers (lpfc and mpi3mr) which missed the initial
pull and a core change to retry a start/stop unit which affect
suspend/resume"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: lpfc: Update lpfc version to 14.4.0.5
scsi: lpfc: Support loopback tests with VMID enabled
scsi: lpfc: Revise TRACE_EVENT log flag severities from KERN_ERR to KERN_WARNING
scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance
scsi: lpfc: Fix kref imbalance on fabric ndlps from dev_loss_tmo handler
scsi: lpfc: Restrict support for 32 byte CDBs to specific HBAs
scsi: lpfc: Update phba link state conditional before sending CMF_SYNC_WQE
scsi: lpfc: Add ELS_RSP cmd to the list of WQEs to flush in lpfc_els_flush_cmd()
scsi: mpi3mr: Update driver version to 8.12.0.0.50
scsi: mpi3mr: Improve wait logic while controller transitions to READY state
scsi: mpi3mr: Update MPI Headers to revision 34
scsi: mpi3mr: Use firmware-provided timestamp update interval
scsi: mpi3mr: Enhance the Enable Controller retry logic
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
scsi: pm8001: Do not overwrite PCI queue mapping
scsi: scsi_debug: Remove a useless memset()
scsi: pmcraid: Convert comma to semicolon
scsi: sd: Retry START STOP UNIT commands
scsi: mpi3mr: A performance fix
scsi: ufs: qcom: Update MODE_MAX cfg_bw value
...
no_llseek had been defined to NULL two years ago, in commit 868941b144
("fs: remove no_llseek")
To quote that commit,
At -rc1 we'll need do a mechanical removal of no_llseek -
git grep -l -w no_llseek | grep -v porting.rst | while read i; do
sed -i '/\<no_llseek\>/d' $i
done
would do it.
Unfortunately, that hadn't been done. Linus, could you do that now, so
that we could finally put that thing to rest? All instances are of the
form
.llseek = no_llseek,
so it's obviously safe.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Using the real macro is usually more intuitive and readable when the
original file is guaranteed to contain the minmax.h header file and compile
correctly.
Signed-off-by: Yan Zhen <yanzhen@vivo.com>
Link: https://lore.kernel.org/r/20240902013303.909316-1-yanzhen@vivo.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bart Van Assche <bvanassche@acm.org> says:
Hi Martin,
Multiple SCSI drivers use snprintf() to format a workqueue name before
invoking one of the create*_workqueue() macros. This patch series
simplifies such code by passing the format string and arguments to
alloc_workqueue(). Additionally, the structure members that are only
used as a temporary buffer for formatting workqueue names are
removed. Please consider this patch series for the next merge window.
Thanks,
Bart.
Link: https://lore.kernel.org/r/20240822195944.654691-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Let alloc*_workqueue() format the workqueue names instead of calling
snprintf() explicitly.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240822195944.654691-3-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_IOC_4 with a modern flexible array.
Additionally add __counted_by annotation since SEP is only ever accessed
after updating ACtiveSEP:
lsi/mpi_cnfg.h: IOC_4_SEP SEP[] __counted_by(ActiveSEP); /* 08h */
mptsas.c: ii = IOCPage4Ptr->ActiveSEP++;
mptsas.c: IOCPage4Ptr->SEP[ii].SEPTargetID = id;
mptsas.c: IOCPage4Ptr->SEP[ii].SEPBus = channel;
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-6-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_IOC_3 with a modern flexible array.
Additionally add __counted_by annotation since PhysDisk is only ever
accessed via a loops bounded by NumPhysDisks:
lsi/mpi_cnfg.h: IOC_3_PHYS_DISK PhysDisk[] __counted_by(NumPhysDisks); /* 08h */
mptscsih.c: for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
mptscsih.c: if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
mptscsih.c: (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
mptscsih.c: for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
mptscsih.c: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
mptscsih.c: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
mptscsih.c: for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
mptscsih.c: if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
mptscsih.c: (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
mptscsih.c: rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
mptscsih.c: for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
mptscsih.c: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
mptscsih.c: ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-5-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_IOC_2 with a modern flexible array.
Additionally add __counted_by annotation since RaidVolume is only ever
accessed from loops controlled by NumActiveVolumes:
lsi/mpi_cnfg.h: CONFIG_PAGE_IOC_2_RAID_VOL RaidVolume[] __counted_by(NumActiveVolumes); /* 0Ch */
mptbase.c: for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
mptbase.c: pIoc2->RaidVolume[i].VolumeBus,
mptbase.c: pIoc2->RaidVolume[i].VolumeID);
mptsas.c: for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
mptsas.c: RaidVolume[i].VolumeID) {
mptsas.c: RaidVolume[i].VolumeBus;
mptsas.c: for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
mptsas.c: ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
mptsas.c: ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
mptsas.c: ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
mptsas.c: for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
mptsas.c: if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
mptsas.c: for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
mptsas.c: if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
mptspi.c: for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
mptspi.c: if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) {
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-4-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_RAID_PHYS_DISK_1 with a modern flexible array.
Additionally add __counted_by annotation since Path is only ever accessed
via a loops bounded by NumPhysDiskPaths:
lsi/mpi_cnfg.h: RAID_PHYS_DISK1_PATH Path[] __counted_by(NumPhysDiskPaths);/* 0Ch */
mptbase.c: phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
mptbase.c: for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
mptbase.c: phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
mptbase.c: phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-3-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_SAS_IO_UNIT_0 with a modern flexible array.
Additionally add __counted_by annotation since PhyData is only ever
accessed via a loops bounded by NumPhys:
lsi/mpi_cnfg.h: MPI_SAS_IO_UNIT0_PHY_DATA PhyData[] __counted_by(NumPhys); /* 10h */
mptsas.c: port_info->num_phys = buffer->NumPhys;
mptsas.c: for (i = 0; i < port_info->num_phys; i++) {
mptsas.c: mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
mptsas.c: port_info->phy_info[i].phy_id = i;
mptsas.c: port_info->phy_info[i].port_id =
mptsas.c: buffer->PhyData[i].Port;
mptsas.c: port_info->phy_info[i].negotiated_link_rate =
mptsas.c: buffer->PhyData[i].NegotiatedLinkRate;
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-2-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the deprecated[1] use of a 1-element array in struct
_RAID_VOL0_SETTINGS with a modern flexible array.
Additionally add __counted_by annotation since PhysDisk is only ever
accessed via a loops bounded by NumPhysDisks:
lsi/mpi_cnfg.h: RAID_VOL0_PHYS_DISK PhysDisk[] __counted_by(NumPhysDisks); /* 28h */
mptbase.c: for (i = 0; i < buffer->NumPhysDisks; i++) {
mptbase.c: buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
mptsas.c: for (i = 0; i < buffer->NumPhysDisks; i++) {
mptsas.c: buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
mptsas.c: for (i = 0; i < buffer->NumPhysDisks; i++) {
mptsas.c: buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
No binary differences are present after this conversion.
Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-1-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas).
The major update (which causes a conflict with block, see below) is
Christoph removing the queue limits and their associated block
helpers. The remaining patches are assorted minor fixes and
deprecated function updates plus a bit of constification.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas).
The major update (which causes a conflict with block, see below) is
Christoph removing the queue limits and their associated block
helpers.
The remaining patches are assorted minor fixes and deprecated function
updates plus a bit of constification"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
scsi: mpi3mr: Sanitise num_phys
scsi: lpfc: Copyright updates for 14.4.0.2 patches
scsi: lpfc: Update lpfc version to 14.4.0.2
scsi: lpfc: Add support for 32 byte CDBs
scsi: lpfc: Change lpfc_hba hba_flag member into a bitmask
scsi: lpfc: Introduce rrq_list_lock to protect active_rrq_list
scsi: lpfc: Clear deferred RSCN processing flag when driver is unloading
scsi: lpfc: Update logging of protection type for T10 DIF I/O
scsi: lpfc: Change default logging level for unsolicited CT MIB commands
scsi: target: Remove unused list 'device_list'
scsi: iscsi: Remove unused list 'connlist_err'
scsi: ufs: exynos: Add support for Tensor gs101 SoC
scsi: ufs: exynos: Add some pa_dbg_ register offsets into drvdata
scsi: ufs: exynos: Allow max frequencies up to 267Mhz
scsi: ufs: exynos: Add EXYNOS_UFS_OPT_TIMER_TICK_SELECT option
scsi: ufs: exynos: Add EXYNOS_UFS_OPT_UFSPR_SECURE option
scsi: ufs: dt-bindings: exynos: Add gs101 compatible
scsi: qla2xxx: Fix debugfs output for fw_resource_count
scsi: qedf: Ensure the copied buf is NUL terminated
scsi: bfa: Ensure the copied buf is NUL terminated
...
The prior strscpy() replacement of strncpy() here expected the
manufacture_reply strings to be NUL-terminated, but it is possible
they are not, as the code pattern here shows, e.g., edev->vendor_id
being exactly 1 character larger than manufacture_reply->vendor_id,
and the replaced strncpy() was copying only up to the size of the
source character array. Replace this with memtostr(), which is the
unambiguous way to convert a maybe not-NUL-terminated character array
into a NUL-terminated string.
Reported-by: Charles Bertsch <cbertsch@cox.net>
Closes: https://lore.kernel.org/all/5445ba0f-3e27-4d43-a9ba-0cc22ada2fce@cox.net/
Fixes: 45e833f0e5 ("scsi: message: fusion: Replace deprecated strncpy() with strscpy()")
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240410023155.2100422-2-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Get drivers out of the business of having to call the block layer DMA
alignment limits helpers themselves.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240409143748.980206-8-hch@lst.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The pointer 'hd' is being assigned a value that is not being read
later. The variable is redundant and can be removed.
Cleans up clang scan build warning:
warning: Although the value stored to 'hd' is used in the enclosing
expression, the value is never actually read from 'hd'
[deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240118122039.2541425-1-colin.i.king@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Detected by smatch.
Fixes: 17865dc2ec ("scsi: message: fusion: Open-code mptfc_block_error_handler() for bus reset")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231023073005.20766-1-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Hannes Reinecke <hare@suse.de> says:
Hi all,
(taking up an old thread:) here's the first batch of patches for my EH
rework. It modifies the reset callbacks for SCSI drivers such that
the final conversion to drop the 'struct scsi_cmnd' argument and use
the entity in question (host, bus, target, device) as the argument to
the SCSI EH callbacks becomes possible. The first part covers drivers
which just requires minor tweaks.
Link: https://lore.kernel.org/r/20231002154328.43718-1-hare@suse.de
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When calling bus_reset we have potentially several ports to be reset, so
this patch open-codes the existing mptfc_block_error_handler() to wait for
all ports attached to this bus.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231002154328.43718-4-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
mptscsih_dev_reset() is _not_ a device reset, but rather a target
reset. Nevertheless it's being used for either purpose. This patch adds a
correct implementation for mptscsih_dev_reset(), and renames the original
function to mptscsih_target_reset().
Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231002154328.43718-3-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Instead of passing in a function to mptfc_block_error_handler() we can as
well return a status and call the function afterwards.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231002154328.43718-2-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
strncpy() is deprecated for use on NUL-terminated destination strings [1]
and as such we should prefer more robust and less ambiguous string
interfaces.
Since all these structs are copied out to userspace let's keep them
NUL-padded by using strscpy_pad() which guarantees NUL-termination of the
destination buffer while also providing the NUL-padding behavior that
strncpy() has.
Let's also opt to use the more idiomatic strscpy() usage of: 'dest, src,
sizeof(dest)' in cases where the compiler can determine the size of the
destination buffer. Do this for all cases of strscpy...() in this file.
To be abundantly sure we don't leak stack data out to user space let's also
change a strscpy() to strscpy_pad(). This strscpy() was introduced in
commit dbe37c71d1 ("scsi: message: fusion: Replace all non-returning
strlcpy() with strscpy()")
Note that since we are creating these structs with a copy_from_user() and
modifying fields and then copying back out to the user it is probably OK
not to explicitly NUL-pad everything as any data leak is probably just data
from the user themselves. If this is too eager, let's opt for strscpy()
which is still in the spirit of removing deprecated strncpy() usage
treewide.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20230927-strncpy-drivers-message-fusion-mptctl-c-v1-1-bb2eddc1743c@google.com
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In a future patch HAS_IOPORT=n will result in inb()/outb() and friends not
being declared. We thus need to add HAS_IOPORT as dependency for those
drivers using them.
Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20230522105049.1467313-22-schnelle@linux.ibm.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- Mark arch_cpu_idle_dead() __noreturn, make all architectures & drivers that did
this inconsistently follow this new, common convention, and fix all the fallout
that objtool can now detect statically.
- Fix/improve the ORC unwinder becoming unreliable due to UNWIND_HINT_EMPTY ambiguity,
split it into UNWIND_HINT_END_OF_STACK and UNWIND_HINT_UNDEFINED to resolve it.
- Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code.
- Generate ORC data for __pfx code
- Add more __noreturn annotations to various kernel startup/shutdown/panic functions.
- Misc improvements & fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Mark arch_cpu_idle_dead() __noreturn, make all architectures &
drivers that did this inconsistently follow this new, common
convention, and fix all the fallout that objtool can now detect
statically
- Fix/improve the ORC unwinder becoming unreliable due to
UNWIND_HINT_EMPTY ambiguity, split it into UNWIND_HINT_END_OF_STACK
and UNWIND_HINT_UNDEFINED to resolve it
- Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code
- Generate ORC data for __pfx code
- Add more __noreturn annotations to various kernel startup/shutdown
and panic functions
- Misc improvements & fixes
* tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
x86/hyperv: Mark hv_ghcb_terminate() as noreturn
scsi: message: fusion: Mark mpt_halt_firmware() __noreturn
x86/cpu: Mark {hlt,resume}_play_dead() __noreturn
btrfs: Mark btrfs_assertfail() __noreturn
objtool: Include weak functions in global_noreturns check
cpu: Mark nmi_panic_self_stop() __noreturn
cpu: Mark panic_smp_self_stop() __noreturn
arm64/cpu: Mark cpu_park_loop() and friends __noreturn
x86/head: Mark *_start_kernel() __noreturn
init: Mark start_kernel() __noreturn
init: Mark [arch_call_]rest_init() __noreturn
objtool: Generate ORC data for __pfx code
x86/linkage: Fix padding for typed functions
objtool: Separate prefix code from stack validation code
objtool: Remove superfluous dead_end_function() check
objtool: Add symbol iteration helpers
objtool: Add WARN_INSN()
scripts/objdump-func: Support multiple functions
context_tracking: Fix KCSAN noinstr violation
objtool: Add stackleak instrumentation to uaccess safe list
...
mptlan_probe() calls mpt_register_lan_device() which initializes the
&priv->post_buckets_task workqueue. A call to
mpt_lan_wake_post_buckets_task() will subsequently start the work.
During driver unload in mptlan_remove() the following race may occur:
CPU0 CPU1
|mpt_lan_post_receive_buckets_work()
mptlan_remove() |
free_netdev() |
kfree(dev); |
|
| dev->mtu
| //use
Fix this by finishing the work prior to cleaning up in mptlan_remove().
[mkp: we really should remove mptlan instead of attempting to fix it]
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Link: https://lore.kernel.org/r/20230318081635.796479-1-zyytlz.wz@163.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bart Van Assche <bvanassche@acm.org> says:
It helps humans and the compiler if it is made explicit that SCSI host
templates are not modified. Hence this patch series that constifies most
SCSI host templates. Please consider this patch series for the next merge
window.
Link: https://lore.kernel.org/r/20230322195515.1267197-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Like commit c4f135d643 ("workqueue: Wrap flush_workqueue() using a
macro") says, flush_scheduled_work() is dangerous and will be forbidden.
Commit 4d4109d0eb ("[SCSI] mpt fusion: Power Management fixes for MPT SAS
PCI-E controllers") added flush_scheduled_work() call into
mptscsih_suspend(). As of commit 4d4109d0eb, there were several
schedule{,_delayed}_work() calls where flush_scheduled_work() from
mptscsih_suspend() meant to wait for completion. However, which work items
this flush_scheduled_work() call was for was not explained.
Then, schedule_work("struct mptsas_hotplug_event"->work) and
schedule_work(MPT_ADAPTER->sas_persist_task) have been removed by commit
3eb0822c67 ("[SCSI] mpt fusion: Firmware event implementation using
seperate WorkQueue"), and schedule_work("struct
mptsas_send_discovery_event"->work) has been removed by commit f9c34022ea
("[SCSI] mpt fusion: SAS topology scan changes, expander events").
There still remains schedule_work("struct work_queue_wrapper"->work) call
in mptspi.c and schedule_delayed_work("struct mpt_lan_priv"->work) call in
mptlan.c , but I guess that these are not work items which commit
4d4109d0eb meant to wait for completion because these are not per
MPT_ADAPTER work items. If my guess is correct, we no longer need to call
flush_scheduled_work() from mptscsih_suspend().
Link: https://lore.kernel.org/r/0b9ebcfb-b647-1381-0653-b54528a64a86@I-love.SAKURA.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 6600593cbd ("block: rename BLK_EH_NOT_HANDLED to BLK_EH_DONE")
made it impossible for .eh_timed_out() implementations to call
scsi_done() without causing a crash.
Restore support for SCSI timeout handlers to call scsi_done() as follows:
* Change all .eh_timed_out() handlers as follows:
- Change the return type into enum scsi_timeout_action.
- Change BLK_EH_RESET_TIMER into SCSI_EH_RESET_TIMER.
- Change BLK_EH_DONE into SCSI_EH_NOT_HANDLED.
* In scsi_timeout(), convert the SCSI_EH_* values into BLK_EH_* values.
Reviewed-by: Lee Duncan <lduncan@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221018202958.1902564-3-bvanassche@acm.org
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable iocnum is assigned a value that is never read, the assignment and
hence the variable are redundant can be removed. Also update the comment to
reflect the correct name of the variable being updated.
Cleans up clang-scan warning:
drivers/message/fusion/mptctl.c:641:8: warning: Although the value stored
to 'iocnum' is used in the enclosing expression, the value is never
actually read from 'iocnum' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220805113214.2339022-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The following warning showed up when compiling with W=1.
drivers/message/fusion/mptctl.c: In function ‘mptctl_hp_hostinfo’:
drivers/message/fusion/mptctl.c:2337:8: warning: variable ‘retval’ set but not used [-Wunused-but-set-variable]
int retval;
Fixing by removing the variable.
Link: https://lore.kernel.org/r/20220317030325.30526-1-alexander.vorwerk@stud.uni-goettingen.de
Signed-off-by: Alexander Vorwerk <alexander.vorwerk@stud.uni-goettingen.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable dmp is being assigned a value that is never read, the variable is
redundant and can be removed.
Cleans up clang scan build warning:
drivers/message/fusion/mptbase.c:6667:39: warning: Although
the value stored to 'dmp' is used in the enclosing expression,
the value is never actually read from 'dmp' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220318003927.81471-1-colin.i.king@gmail.com
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Just a few lines below this kzalloc() we have a mutex_lock() which can
sleep.
Moreover, the only way to call this function is when a delayed work is
schedule. And delayed work can sleep:
INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
--> mptsas_firmware_event_work()
--> mptsas_send_link_status_event()
--> mptsas_expander_add()
So there is really no good reason to use GFP_ATOMIC here. Change it to
GFP_KERNEL to give more opportunities to the kernel.
Link: https://lore.kernel.org/r/eccb2179ce800529851ed4fabc9d3f95fbbf7d7f.1644906731.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Pci_driver probe functions aren't called with locks held and thus don't
need GFP_ATOMIC. Use GFP_KERNEL instead.
Problem found with Coccinelle.
Link: https://lore.kernel.org/r/20220210204223.104181-9-Julia.Lawall@inria.fr
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.
Some reasons why this API should be removed have been given by Julia
Lawall in [2].
When memory is allocated in kbuf_alloc_2_sgl() GFP_KERNEL can be used
because this function already uses the GFP_USER flag for some memory
allocation and not spin_lock is taken in the between.
When memory is allocated in mptctl_do_mpt_command() GFP_KERNEL can be used
because this function already uses copy_from_user() and this function can
sleep.
When memory is allocated in mptctl_hp_hostinfo() GFP_KERNEL can be used
because this function already uses mpt_config() and this function has an
explicit might_sleep().
When memory is allocated in mptctl_hp_targetinfo() GFP_KERNEL can be used
because this function already uses mpt_config() and this function has an
explicit might_sleep().
[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
Link: https://lore.kernel.org/r/516375d6d06114484533baf03aae351306100246.1641500561.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable r is being assigned a value that is never read. The assignment is
redundant and so is the variable, so remove these. Remove unnecessary the
{} braces in the if statement too.
Link: https://lore.kernel.org/r/20211205225901.54362-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Merge tag 'pci-v5.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Conserve IRQs by setting up portdrv IRQs only when there are users
(Jan Kiszka)
- Rework and simplify _OSC negotiation for control of PCIe features
(Joerg Roedel)
- Remove struct pci_dev.driver pointer since it's redundant with the
struct device.driver pointer (Uwe Kleine-König)
Resource management:
- Coalesce contiguous host bridge apertures from _CRS to accommodate
BARs that cover more than one aperture (Kai-Heng Feng)
Sysfs:
- Check CAP_SYS_ADMIN before parsing user input (Krzysztof
Wilczyński)
- Return -EINVAL consistently from "store" functions (Krzysztof
Wilczyński)
- Use sysfs_emit() in endpoint "show" functions to avoid buffer
overruns (Kunihiko Hayashi)
PCIe native device hotplug:
- Ignore Link Down/Up caused by resets during error recovery so
endpoint drivers can remain bound to the device (Lukas Wunner)
Virtualization:
- Avoid bus resets on Atheros QCA6174, where they hang the device
(Ingmar Klein)
- Work around Pericom PI7C9X2G switch packet drop erratum by using
store and forward mode instead of cut-through (Nathan Rossi)
- Avoid trying to enable AtomicOps on VFs; the PF setting applies to
all VFs (Selvin Xavier)
MSI:
- Document that /sys/bus/pci/devices/.../irq contains the legacy INTx
interrupt or the IRQ of the first MSI (not MSI-X) vector (Barry
Song)
VPD:
- Add pci_read_vpd_any() and pci_write_vpd_any() to access anywhere
in the possible VPD space; use these to simplify the cxgb3 driver
(Heiner Kallweit)
Peer-to-peer DMA:
- Add (not subtract) the bus offset when calculating DMA address
(Wang Lu)
ASPM:
- Re-enable LTR at Downstream Ports so they don't report Unsupported
Requests when reset or hot-added devices send LTR messages
(Mingchuang Qiao)
Apple PCIe controller driver:
- Add driver for Apple M1 PCIe controller (Alyssa Rosenzweig, Marc
Zyngier)
Cadence PCIe controller driver:
- Return success when probe succeeds instead of falling into error
path (Li Chen)
HiSilicon Kirin PCIe controller driver:
- Reorganize PHY logic and add support for external PHY drivers
(Mauro Carvalho Chehab)
- Support PERST# GPIOs for HiKey970 external PEX 8606 bridge (Mauro
Carvalho Chehab)
- Add Kirin 970 support (Mauro Carvalho Chehab)
- Make driver removable (Mauro Carvalho Chehab)
Intel VMD host bridge driver:
- If IOMMU supports interrupt remapping, leave VMD MSI-X remapping
enabled (Adrian Huang)
- Number each controller so we can tell them apart in
/proc/interrupts (Chunguang Xu)
- Avoid building on UML because VMD depends on x86 bare metal APIs
(Johannes Berg)
Marvell Aardvark PCIe controller driver:
- Define macros for PCI_EXP_DEVCTL_PAYLOAD_* (Pali Rohár)
- Set Max Payload Size to 512 bytes per Marvell spec (Pali Rohár)
- Downgrade PIO Response Status messages to debug level (Marek Behún)
- Preserve CRS SV (Config Request Retry Software Visibility) bit in
emulated Root Control register (Pali Rohár)
- Fix issue in configuring reference clock (Pali Rohár)
- Don't clear status bits for masked interrupts (Pali Rohár)
- Don't mask unused interrupts (Pali Rohár)
- Avoid code repetition in advk_pcie_rd_conf() (Marek Behún)
- Retry config accesses on CRS response (Pali Rohár)
- Simplify emulated Root Capabilities initialization (Pali Rohár)
- Fix several link training issues (Pali Rohár)
- Fix link-up checking via LTSSM (Pali Rohár)
- Fix reporting of Data Link Layer Link Active (Pali Rohár)
- Fix emulation of W1C bits (Marek Behún)
- Fix MSI domain .alloc() method to return zero on success (Marek
Behún)
- Read entire 16-bit MSI vector in MSI handler, not just low 8 bits
(Marek Behún)
- Clear Root Port I/O Space, Memory Space, and Bus Master Enable bits
at startup; PCI core will set those as necessary (Pali Rohár)
- When operating as a Root Port, set class code to "PCI Bridge"
instead of the default "Mass Storage Controller" (Pali Rohár)
- Add emulation for PCI_BRIDGE_CTL_BUS_RESET since aardvark doesn't
implement this per spec (Pali Rohár)
- Add emulation of option ROM BAR since aardvark doesn't implement
this per spec (Pali Rohár)
MediaTek MT7621 PCIe controller driver:
- Add MediaTek MT7621 PCIe host controller driver and DT binding
(Sergio Paracuellos)
Qualcomm PCIe controller driver:
- Add SC8180x compatible string (Bjorn Andersson)
- Add endpoint controller driver and DT binding (Manivannan
Sadhasivam)
- Restructure to use of_device_get_match_data() (Prasad Malisetty)
- Add SC7280-specific pcie_1_pipe_clk_src handling (Prasad Malisetty)
Renesas R-Car PCIe controller driver:
- Remove unnecessary includes (Geert Uytterhoeven)
Rockchip DesignWare PCIe controller driver:
- Add DT binding (Simon Xue)
Socionext UniPhier Pro5 controller driver:
- Serialize INTx masking/unmasking (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Run dwc .host_init() method before registering MSI interrupt
handler so we can deal with pending interrupts left by bootloader
(Bjorn Andersson)
- Clean up Kconfig dependencies (Andy Shevchenko)
- Export symbols to allow more modular drivers (Luca Ceresoli)
TI DRA7xx PCIe controller driver:
- Allow host and endpoint drivers to be modules (Luca Ceresoli)
- Enable external clock if present (Luca Ceresoli)
TI J721E PCIe driver:
- Disable PHY when probe fails after initializing it (Christophe
JAILLET)
MicroSemi Switchtec management driver:
- Return error to application when command execution fails because an
out-of-band reset has cleared the device BARs, Memory Space Enable,
etc (Kelvin Cao)
- Fix MRPC error status handling issue (Kelvin Cao)
- Mask out other bits when reading of management VEP instance ID
(Kelvin Cao)
- Return EOPNOTSUPP instead of ENOTSUPP from sysfs show functions
(Kelvin Cao)
- Add check of event support (Logan Gunthorpe)
Miscellaneous:
- Remove unused pci_pool wrappers, which have been replaced by
dma_pool (Cai Huoqing)
- Use 'unsigned int' instead of bare 'unsigned' (Krzysztof
Wilczyński)
- Use kstrtobool() directly, sans strtobool() wrapper (Krzysztof
Wilczyński)
- Fix some sscanf(), sprintf() format mismatches (Krzysztof
Wilczyński)
- Update PCI subsystem information in MAINTAINERS (Krzysztof
Wilczyński)
- Correct some misspellings (Krzysztof Wilczyński)"
* tag 'pci-v5.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (137 commits)
PCI: Add ACS quirk for Pericom PI7C9X2G switches
PCI: apple: Configure RID to SID mapper on device addition
iommu/dart: Exclude MSI doorbell from PCIe device IOVA range
PCI: apple: Implement MSI support
PCI: apple: Add INTx and per-port interrupt support
PCI: kirin: Allow removing the driver
PCI: kirin: De-init the dwc driver
PCI: kirin: Disable clkreq during poweroff sequence
PCI: kirin: Move the power-off code to a common routine
PCI: kirin: Add power_off support for Kirin 960 PHY
PCI: kirin: Allow building it as a module
PCI: kirin: Add MODULE_* macros
PCI: kirin: Add Kirin 970 compatible
PCI: kirin: Support PERST# GPIOs for HiKey970 external PEX 8606 bridge
PCI: apple: Set up reference clocks when probing
PCI: apple: Add initial hardware bring-up
PCI: of: Allow matching of an interrupt-map local to a PCI device
of/irq: Allow matching of an interrupt-map local to an interrupt controller
irqdomain: Make of_phandle_args_to_fwspec() generally available
PCI: Do not enable AtomicOps on VFs
...
This series consists of the usual driver updates (ufs, smartpqi, lpfc,
target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
fixes. Notable core changes are the removal of scsi->tag which caused
some churn in obsolete drivers and a sweep through all drivers to call
scsi_done() directly instead of scsi->done() which removes a pointer
indirection from the hot path and a move to register core sysfs files
earlier, which means they're available to KOBJ_ADD processing, which
necessitates switching all drivers to using attribute groups.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This consists of the usual driver updates (ufs, smartpqi, lpfc,
target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
fixes.
Notable core changes are the removal of scsi->tag which caused some
churn in obsolete drivers and a sweep through all drivers to call
scsi_done() directly instead of scsi->done() which removes a pointer
indirection from the hot path and a move to register core sysfs files
earlier, which means they're available to KOBJ_ADD processing, which
necessitates switching all drivers to using attribute groups"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: lpfc: Update lpfc version to 14.0.0.3
scsi: lpfc: Allow fabric node recovery if recovery is in progress before devloss
scsi: lpfc: Fix link down processing to address NULL pointer dereference
scsi: lpfc: Allow PLOGI retry if previous PLOGI was aborted
scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine
scsi: lpfc: Correct sysfs reporting of loop support after SFP status change
scsi: lpfc: Wait for successful restart of SLI3 adapter during host sg_reset
scsi: lpfc: Revert LOG_TRACE_EVENT back to LOG_INIT prior to driver_resource_setup()
scsi: ufs: ufshcd-pltfrm: Fix memory leak due to probe defer
scsi: ufs: mediatek: Avoid sched_clock() misuse
scsi: mpt3sas: Make mpt3sas_dev_attrs static
scsi: scsi_transport_sas: Add 22.5 Gbps link rate definitions
scsi: target: core: Stop using bdevname()
scsi: aha1542: Use memcpy_{from,to}_bvec()
scsi: sr: Add error handling support for add_disk()
scsi: sd: Add error handling support for add_disk()
scsi: target: Perform ALUA group changes in one step
scsi: target: Replace lun_tg_pt_gp_lock with rcu in I/O path
scsi: target: Fix alua_tg_pt_gps_count tracking
scsi: target: Fix ordered tag handling
...
Commit 406f42fa0d ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct device supports attribute groups directly but does not support
struct device_attribute directly. Hence switch to attribute groups.
Link: https://lore.kernel.org/r/20211012233558.4066756-6-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
