Need to make ktime samples more accurate
If ktime is turned on in the middle of an IO, the max calculation could
be misleading. Base sampling on the start time of the IO as opposed to
ktime_on.
Make ISR ktime timestamps be from when CQE is read instead of EQE.
Added additional sanity checks when deciding whether to accept an IO
sample or not.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Local Reject/Invalid RPI errors seen during discovery.
Temporary RPI cleanup was occurring regardless of SLI rev. It's only
necessary on SLI-4.
Adjust the test for whether cleanup is necessary.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Warning messages when NVME_TARGET_FC not defined on ppc builds
The lpfc_nvmet_replenish_context() function is only meaningful when NVME
target mode enabled. Surround the function body with ifdefs for target
mode enablement.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In a link bounce scenario, a condition can occur where the discovery
engine swaps an ndlp structure (address change for an nport). While the
swap was successfully executed by the discovery engine, the driver did
not properly detect a change in the ndlp bound to the nvme rport. This
error resulted in the nvme host transport issuing an IO to the correct
nvme rport, but the lpfc driver addressed a ndlp with an NLP_UNUSED
status and failed the io. This resulting it it looking like there were
missing namespaces and applications failed due to io errors.
To fix, in lpfc_nvme_register_rport, rework the "rebind" case to break
the nvme rport<->ndlp association when the ndlp already has an
nrport. Then rebind the rport to the correct ndlp data and backpointers.
[mkp: typo]
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver crashes when attempting to use a freed ndpl pointer.
The pci_remove_one handler runs on a separate kernel thread. The order
of the removal is starting by freeing all of the ndlps and then
disabling interrupts. In between these two events the driver can still
receive an ELS and process it. When it tries to use the ndlp pointer
will be NULL
Change the order of the pci_remove_one vs disable interrupts so that
interrupts are disabled before the ndlp's are freed.
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
During pci hot plug, the kernel crashes in a list_add_call
The lookup by tag function will return null if the IOCB is out of range
or does not have the on txcmplq flag set.
Fix: Check for null return from lookup by tag.
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
During pci hot plug, the kernel crashes in timer management code.
The sli4 remove_one handler is not stoping the timers as it starts to
remove the port so that it can be swapped.
Fix: Stop the timers early in the handler routine.
Note: Fix in SLI-4 only. SLI-3 already stopped the timers properly.
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Gerry Morong <gerry.morong@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix a small cosmetic bug in a very rarely encountered error message that
can occur when a LD has a corrupted raid map.
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update the driver's PCI IDs.
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove unused variable sas_ha to clean up build warning
"unused variable sas_ha [-Wunused-variable]"
Fixes: 042ebd293b ("scsi: libsas: kill useless ha_event and do some cleanup")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Since the command type of UTRD in UFS 2.1 specification is the same with
UFS 2.0. And it assumes the future UFS specification will follow the
same definition.
Signed-off-by: kehuanlin <kehuanlin@pinecone.net>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Several configurable fields of the Device Descriptor and the Unit
Descriptors determine the Boot LUN status. The bBootEnable field and the
bBootLunEn attribute is set to zero by default, so the Boot LUN is
disabled by default.
At which point the scsi device add for Boot LUN will fail, but we can
continue to use the ufs device in fact. This failure shouldn't abort the
device boot.
Signed-off-by: Huanlin Ke <kehuanlin@pinecone.net>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Since right after the user copy, we are going to memset(&karg, 0,
sizeof(karg)), the copy_from_user is redundant
Signed-off-by: Meng Xu <mengxu.gatech@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.
Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci"
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.
Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci"
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Device handlers are optional, and for some handlers like ALUA only
implemented for certain device types. So suppress any errors for
unsupported devices.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Rather than having each device handler implementing their own error
mapping, have the ->attach() call return a SCSI_DH_XXX error code and
implement the mapping in scsi_dh_handler_attach().
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reporting a maximum number of blocks that is not aligned on the device
physical size would cause a large write same request to be split into
physically unaligned chunks by __blkdev_issue_write_zeroes() and
__blkdev_issue_write_same(), even if the caller of these functions took
care to align its request to physical sectors.
Make sure the maximum reported is aligned to the device physical block
size. This is only an optional optimization for regular disks, but this
is mandatory to avoid failure of large write same requests directed at
sequential write required zones of host-managed ZBC disks.
[mkp: tweaked commit message]
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Set PCIe relaxed ordering bits in FW_IQ_CMD if relaxed ordering is
enabled in the PCIe device.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
csk is always null on the error return path and so the non-null check
and call to cxgbi_sock_closed on csk is redundant and can be removed.
Detected by: CoverityScan CID#114329 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Events will be added to defer_q list when setting ha->status to
SAS_HA_DRAINING. Events will be called after drain workqueue.
Those events are added to the head of list, but they are scanned one by
one from the head to the tail, which will cause those events be called
in the reverse order of being added. So change list_add to list_add_tail
in function sas_queue_work.
Signed-off-by: chenxiang <chenxiang66@hisilicon.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Rename function notify_port_event() to sas_notify_port_event(), which
will be consistent with sas_notify_phy_event().
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
No one uses the port_gone_completion in struct asd_sas_port and
DISCE_PORT_GONE in enum disover_event, clean them out.
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Numbering for each event enum makes no sense. Remove the numbering so
that we don't have to calculate the number by hand every time.
Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The ha_event now has only one event HAE_RESET, and this event does
nothing. Kill it and do some cleanup.
This is a preparation for enhance libsas hotplug feature in the next
patches.
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When a NETDEV_UNREGISTER notification is received the network device is
_deleted_ after the callback returns. So we cannot use a workqueue
here, as this would cause an inversion when removing the device as the
netdev is already gone. This manifests with a nasty warning during
shutdown:
sysfs group ffffffff81eff0e0 not found for kobject 'fc_host7'
So open-code fcoe_destroy_work() when receiving the notification to
avoid this inversion.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Separate out fcoe_vport_remove() from fcoe_destroy_work(). Required for
the next patch.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This closes a possible race condition in _fcoe_create() where we drop
the rtnl_lock() before calling fcoe_interface_remove().
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Don't populate const arrays on the stack, instead make them static.
Makes the object code smaller by over 740 bytes.
Before:
text data bss dec hex filename
3840 208 0 4048 fd0 drivers/scsi/ufs/tc-dwc-g210.o
After:
text data bss dec hex filename
2679 624 0 3303 ce7 drivers/scsi/ufs/tc-dwc-g210.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Pointers bnx2i_cmd are set but never used, so they can be removed.
Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The pointer eqe is always non-null inside the while loop, so the check
to see if eqe is NULL is redudant and hence can be removed.
Detected by CoverityScan CID#1248693 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Another merge window, another MAINTAINERS file disaster.
People have serious problems with the alphabet and sorting, and poor
Jérôme Glisse and Radim Krčmář get their names mangled by locale issues,
turning them into some mangled mess (probably others do too, but those
two stood out when sorting things again).
And we now have two copies of the same 'AS3645A LED FLASH CONTROLLER
DRIVER' in the tree and in the MAINTAINERS file, but that's a separate
issue - the duplication is real, and I left them as two entries for the
same name.
This does not try to sort the actual section pattern entries, although I
may end up doing that later.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
the sunxi-ng framework. Otherwise, the heavy hitters are various drivers
for SoCs like AT91, Amlogic, Renesas, and Rockchip. There are some other
new clk drivers in here too but overall this is just a bunch of clk
drivers for various different pieces of hardware and a collection of
non-critical fixes for clk drivers.
New Drivers:
- Allwinner R40 SoCs
- Renesas R-Car Gen3 USB 2.0 clock selector PHY
- Atmel AT91 audio PLL
- Uniphier PXs3 SoCs
- ARC HSDK Board PLLs
- AXS10X Board PLLs
- STMicroelectronics STM32H743 SoCs
Removed Drivers:
- Non-compiling mb86s7x support
Updates:
- Allwinner A10/A20 SoCs converted to sunxi-ng framework
- Allwinner H3 CPU clk fixes
- Renesas R-Car D3 SoC
- Renesas V2H and M3-W modules
- Samsung Exynos5420/5422/5800 audio fixes
- Rockchip fractional clk approximation fixes
- Rockchip rk3126 SoC support within the rk3128 driver
- Amlogic gxbb CEC32 and sd_emmc clks
- Amlogic meson8b reset controller support
- IDT VersaClock 5P49V5925/5P49V6901 support
- Qualcomm MSM8996 SMMU clks
- Various 'const' applications for struct clk_ops
- si5351 PLL reset bugfix
- Uniphier audio on LD11/LD20 and ethernet support on LD11/LD20/Pro4/PXs2
- Assorted Tegra clk driver fixes
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The diff is dominated by the Allwinner A10/A20 SoCs getting converted
to the sunxi-ng framework. Otherwise, the heavy hitters are various
drivers for SoCs like AT91, Amlogic, Renesas, and Rockchip. There are
some other new clk drivers in here too but overall this is just a
bunch of clk drivers for various different pieces of hardware and a
collection of non-critical fixes for clk drivers.
New Drivers:
- Allwinner R40 SoCs
- Renesas R-Car Gen3 USB 2.0 clock selector PHY
- Atmel AT91 audio PLL
- Uniphier PXs3 SoCs
- ARC HSDK Board PLLs
- AXS10X Board PLLs
- STMicroelectronics STM32H743 SoCs
Removed Drivers:
- Non-compiling mb86s7x support
Updates:
- Allwinner A10/A20 SoCs converted to sunxi-ng framework
- Allwinner H3 CPU clk fixes
- Renesas R-Car D3 SoC
- Renesas V2H and M3-W modules
- Samsung Exynos5420/5422/5800 audio fixes
- Rockchip fractional clk approximation fixes
- Rockchip rk3126 SoC support within the rk3128 driver
- Amlogic gxbb CEC32 and sd_emmc clks
- Amlogic meson8b reset controller support
- IDT VersaClock 5P49V5925/5P49V6901 support
- Qualcomm MSM8996 SMMU clks
- Various 'const' applications for struct clk_ops
- si5351 PLL reset bugfix
- Uniphier audio on LD11/LD20 and ethernet support on LD11/LD20/Pro4/PXs2
- Assorted Tegra clk driver fixes"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (120 commits)
clk: si5351: fix PLL reset
ASoC: atmel-classd: remove aclk clock
ASoC: atmel-classd: remove aclk clock from DT binding
clk: at91: clk-generated: make gclk determine audio_pll rate
clk: at91: clk-generated: create function to find best_diff
clk: at91: add audio pll clock drivers
dt-bindings: clk: at91: add audio plls to the compatible list
clk: at91: clk-generated: remove useless divisor loop
clk: mb86s7x: Drop non-building driver
clk: ti: check for null return in strrchr to avoid null dereferencing
clk: Don't write error code into divider register
clk: uniphier: add video input subsystem clock
clk: uniphier: add audio system clock
clk: stm32h7: Add stm32h743 clock driver
clk: gate: expose clk_gate_ops::is_enabled
clk: nxp: clk-lpc32xx: rename clk_gate_is_enabled()
clk: uniphier: add PXs3 clock data
clk: hi6220: change watchdog clock source
clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808
clk: cs2000: Add cs2000_set_saved_rate
...
Most of the commits are trivial cleanup patches, while one commit
is a significant fix for the race at ALSA sequencer that was spotted
by syzkaller.
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Merge tag 'sound-fix-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of the commits are trivial cleanup patches, while one commit is a
significant fix for the race at ALSA sequencer that was spotted by
syzkaller"
* tag 'sound-fix-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: seq: Cancel pending autoload work at unbinding device
ALSA: firewire: Use common error handling code in snd_motu_stream_start_duplex()
ALSA: asihpi: Kill BUG_ON() usages
ALSA: core: Use %pS printk format for direct addresses
ALSA: ymfpci: Use common error handling code in snd_ymfpci_create()
ALSA: ymfpci: Use common error handling code in snd_card_ymfpci_probe()
ALSA: 6fire: Use common error handling code in usb6fire_chip_probe()
ALSA: usx2y: Use common error handling code in submit_urbs()
ALSA: us122l: Use common error handling code in us122l_create_card()
ALSA: hdspm: Use common error handling code in snd_hdspm_probe()
ALSA: rme9652: Use common code in hdsp_get_iobox_version()
ALSA: maestro3: Use common error handling code in two functions
A tiny update: one patch corrects a Kconfig problem with the shift of
the SAS SMP code to BSG and the other removes a vestige of user space
target mode.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"A tiny update: one patch corrects a Kconfig problem with the shift of
the SAS SMP code to BSG and the other removes a vestige of user space
target mode"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_transport_sas: select BLK_DEV_BSGLIB
scsi: Remove Scsi_Host.uspace_req_q
Pull block fixes from Jens Axboe:
"Small collection of fixes that would be nice to have in -rc1. This
contains:
- NVMe pull request form Christoph, mostly with fixes for nvme-pci,
host memory buffer in particular.
- Error handling fixup for cgwb_create(), in case allocation of 'wb'
fails. From Christophe Jaillet.
- Ensure that trace_block_getrq() gets the 'dev' in an appropriate
fashion, to avoid a potential NULL deref. From Greg Thelen.
- Regression fix for dm-mq with blk-mq, fixing a problem with
stacking IO schedulers. From me.
- string.h fixup, fixing an issue with memcpy_and_pad(). This
original change came in through an NVMe dependency, which is why
I'm including it here. From Martin Wilck.
- Fix potential int overflow in __blkdev_sectors_to_bio_pages(), from
Mikulas.
- MBR enable fix for sed-opal, from Scott"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: directly insert blk-mq request from blk_insert_cloned_request()
mm/backing-dev.c: fix an error handling path in 'cgwb_create()'
string.h: un-fortify memcpy_and_pad
nvme-pci: implement the HMB entry number and size limitations
nvme-pci: propagate (some) errors from host memory buffer setup
nvme-pci: use appropriate initial chunk size for HMB allocation
nvme-pci: fix host memory buffer allocation fallback
nvme: fix lightnvm check
block: fix integer overflow in __blkdev_sectors_to_bio_pages()
block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled
block: tolerate tracing of NULL bio
of other fixes that wandered in.
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Merge tag 'docs-4.14' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A cleanup from Mauro that needed to wait for the media pull, plus a
handful of other fixes that wandered in"
* tag 'docs-4.14' of git://git.lwn.net/linux:
kokr/memory-barriers.txt: Apply atomic_t.txt change
kokr/doc: Update memory-barriers.txt for read-to-write dependencies
docs-rst: don't require adjustbox anymore
docs-rst: conf.py: only setup notice box colors if Sphinx < 1.6
docs-rst: conf.py: remove lscape from LaTeX preamble
Pull fuse updates from Miklos Szeredi:
"This fixes a regression (spotted by the Sandstorm.io folks) in the pid
namespace handling introduced in 4.12.
There's also a fix for honoring sync/dsync flags for pwritev2()"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: getattr cleanup
fuse: honor iocb sync flags on write
fuse: allow server to run in different pid_ns
Pull overlayfs updates from Miklos Szeredi:
"This fixes d_ino correctness in readdir, which brings overlayfs on par
with normal filesystems regarding inode number semantics, as long as
all layers are on the same filesystem.
There are also some bug fixes, one in particular (random ioctl's
shouldn't be able to modify lower layers) that touches some vfs code,
but of course no-op for non-overlay fs"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix false positive ESTALE on lookup
ovl: don't allow writing ioctl on lower layer
ovl: fix relatime for directories
vfs: add flags to d_real()
ovl: cleanup d_real for negative
ovl: constant d_ino for non-merge dirs
ovl: constant d_ino across copy up
ovl: fix readdir error value
ovl: check snprintf return
In this round, we've mostly tuned f2fs to provide better user experience
for Android. Especially, we've worked on atomic write feature again with
SQLite community in order to support it officially. And we added or modified
several facilities to analyze and enhance IO behaviors.
Major changes include:
- add app/fs io stat
- add inode checksum feature
- support project/journalled quota
- enhance atomic write with new ioctl() which exposes feature set
- enhance background gc/discard/fstrim flows with new gc_urgent mode
- add F2FS_IOC_FS{GET,SET}XATTR
- fix some quota flows
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Merge tag 'f2fs-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've mostly tuned f2fs to provide better user
experience for Android. Especially, we've worked on atomic write
feature again with SQLite community in order to support it officially.
And we added or modified several facilities to analyze and enhance IO
behaviors.
Major changes include:
- add app/fs io stat
- add inode checksum feature
- support project/journalled quota
- enhance atomic write with new ioctl() which exposes feature set
- enhance background gc/discard/fstrim flows with new gc_urgent mode
- add F2FS_IOC_FS{GET,SET}XATTR
- fix some quota flows"
* tag 'f2fs-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (63 commits)
f2fs: hurry up to issue discard after io interruption
f2fs: fix to show correct discard_granularity in sysfs
f2fs: detect dirty inode in evict_inode
f2fs: clear radix tree dirty tag of pages whose dirty flag is cleared
f2fs: speed up gc_urgent mode with SSR
f2fs: better to wait for fstrim completion
f2fs: avoid race in between read xattr & write xattr
f2fs: make get_lock_data_page to handle encrypted inode
f2fs: use generic terms used for encrypted block management
f2fs: introduce f2fs_encrypted_file for clean-up
Revert "f2fs: add a new function get_ssr_cost"
f2fs: constify super_operations
f2fs: fix to wake up all sleeping flusher
f2fs: avoid race in between atomic_read & atomic_inc
f2fs: remove unneeded parameter of change_curseg
f2fs: update i_flags correctly
f2fs: don't check inode's checksum if it was dirtied or writebacked
f2fs: don't need to update inode checksum for recovery
f2fs: trigger fdatasync for non-atomic_write file
f2fs: fix to avoid race in between aio and gc
...
* a large series of fixes and improvements to the snapshot-handling
code (Zheng Yan)
* individual read/write OSD requests passed down to libceph are now
limited to 16M in size to avoid hitting OSD-side limits (Zheng Yan)
* encode MStatfs v2 message to allow for more accurate space usage
reporting (Douglas Fuller)
* switch to the new writeback error tracking infrastructure (Jeff
Layton)
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Merge tag 'ceph-for-4.14-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"The highlights include:
- a large series of fixes and improvements to the snapshot-handling
code (Zheng Yan)
- individual read/write OSD requests passed down to libceph are now
limited to 16M in size to avoid hitting OSD-side limits (Zheng Yan)
- encode MStatfs v2 message to allow for more accurate space usage
reporting (Douglas Fuller)
- switch to the new writeback error tracking infrastructure (Jeff
Layton)"
* tag 'ceph-for-4.14-rc1' of git://github.com/ceph/ceph-client: (35 commits)
ceph: stop on-going cached readdir if mds revokes FILE_SHARED cap
ceph: wait on writeback after writing snapshot data
ceph: fix capsnap dirty pages accounting
ceph: ignore wbc->range_{start,end} when write back snapshot data
ceph: fix "range cyclic" mode writepages
ceph: cleanup local variables in ceph_writepages_start()
ceph: optimize pagevec iterating in ceph_writepages_start()
ceph: make writepage_nounlock() invalidate page that beyonds EOF
ceph: properly get capsnap's size in get_oldest_context()
ceph: remove stale check in ceph_invalidatepage()
ceph: queue cap snap only when snap realm's context changes
ceph: handle race between vmtruncate and queuing cap snap
ceph: fix message order check in handle_cap_export()
ceph: fix NULL pointer dereference in ceph_flush_snaps()
ceph: adjust 36 checks for NULL pointers
ceph: delete an unnecessary return statement in update_dentry_lease()
ceph: ENOMEM pr_err in __get_or_create_frag() is redundant
ceph: check negative offsets in ceph_llseek()
ceph: more accurate statfs
ceph: properly set snap follows for cap reconnect
...
If using a kernel with CONFIG_XFS_RT=y and we set the RHINHERIT flag on
a directory in a filesystem that does not have a realtime device and
create a new file in that directory, it gets marked as a real time file.
When data is written and a fsync is issued, the filesystem attempts to
flush a non-existent rt device during the fsync process.
This results in a crash dereferencing a null buftarg pointer in
xfs_blkdev_issue_flush():
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: xfs_blkdev_issue_flush+0xd/0x20
.....
Call Trace:
xfs_file_fsync+0x188/0x1c0
vfs_fsync_range+0x3b/0xa0
do_fsync+0x3d/0x70
SyS_fsync+0x10/0x20
do_syscall_64+0x4d/0xb0
entry_SYSCALL64_slow_path+0x25/0x25
Setting RT inode flags does not require special privileges so any
unprivileged user can cause this oops to occur. To reproduce, confirm
kernel is compiled with CONFIG_XFS_RT=y and run:
# mkfs.xfs -f /dev/pmem0
# mount /dev/pmem0 /mnt/test
# mkdir /mnt/test/foo
# xfs_io -c 'chattr +t' /mnt/test/foo
# xfs_io -f -c 'pwrite 0 5m' -c fsync /mnt/test/foo/bar
Or just run xfstests with MKFS_OPTIONS="-d rtinherit=1" and wait.
Kernels built with CONFIG_XFS_RT=n are not exposed to this bug.
Fixes: f538d4da8d ("[XFS] write barrier support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Richard Wareing <rwareing@fb.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- removal of the old dma_alloc_noncoherent interface
- remove unused flags to dma_declare_coherent_memory
- restrict OF DMA configuration to specific physical busses
- use the iommu mailing list for dma-mapping questions and
patches
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Merge tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- removal of the old dma_alloc_noncoherent interface
- remove unused flags to dma_declare_coherent_memory
- restrict OF DMA configuration to specific physical busses
- use the iommu mailing list for dma-mapping questions and patches
* tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping:
dma-coherent: fix dma_declare_coherent_memory() logic error
ARM: imx: mx31moboard: Remove unused 'dma' variable
dma-coherent: remove an unused variable
MAINTAINERS: use the iommu list for the dma-mapping subsystem
dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
dma-coherent: remove the DMA_MEMORY_INCLUDES_CHILDREN flag
of: restrict DMA configuration
dma-mapping: remove dma_alloc_noncoherent and dma_free_noncoherent
i825xx: switch to switch to dma_alloc_attrs
au1000_eth: switch to dma_alloc_attrs
sgiseeq: switch to dma_alloc_attrs
dma-mapping: reduce dma_mapping_error inline bloat
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Merge tag 'uuid-for-4.14' of git://git.infradead.org/users/hch/uuid
Pull uuid updates from Christoph Hellwig:
"Just a single conversion to the new UUID API for this merge window"
* tag 'uuid-for-4.14' of git://git.infradead.org/users/hch/uuid:
efi: switch to use new generic UUID API
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Merge tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"A relatively quiet period for SELinux, 11 patches with only two/three
having any substantive changes.
These noteworthy changes include another tweak to the NNP/nosuid
handling, per-file labeling for cgroups, and an object class fix for
AF_UNIX/SOCK_RAW sockets; the rest of the changes are minor tweaks or
administrative updates (Stephen's email update explains the file
explosion in the diffstat).
Everything passes the selinux-testsuite"
[ Also a couple of small patches from the security tree from Tetsuo
Handa for Tomoyo and LSM cleanup. The separation of security policy
updates wasn't all that clean - Linus ]
* tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: constify nf_hook_ops
selinux: allow per-file labeling for cgroupfs
lsm_audit: update my email address
selinux: update my email address
MAINTAINERS: update the NetLabel and Labeled Networking information
selinux: use GFP_NOWAIT in the AVC kmem_caches
selinux: Generalize support for NNP/nosuid SELinux domain transitions
selinux: genheaders should fail if too many permissions are defined
selinux: update the selinux info in MAINTAINERS
credits: update Paul Moore's info
selinux: Assign proper class to PF_UNIX/SOCK_RAW sockets
tomoyo: Update URLs in Documentation/admin-guide/LSM/tomoyo.rst
LSM: Remove security_task_create() hook.
Pull x86 fixes from Ingo Molnar:
"Two fixes: dead code removal, plus a SME memory encryption fix on
32-bit kernels that crashed Xen guests"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Remove unused and undefined __generic_processor_info() declaration
x86/mm: Make the SME mask a u64
