Pull aio updates from Al Viro:
"Majority of AIO stuff this cycle. aio-fsync and aio-poll, mostly.
The only thing I'm holding back for a day or so is Adam's aio ioprio -
his last-minute fixup is trivial (missing stub in !CONFIG_BLOCK case),
but let it sit in -next for decency sake..."
* 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
aio: sanitize the limit checking in io_submit(2)
aio: fold do_io_submit() into callers
aio: shift copyin of iocb into io_submit_one()
aio_read_events_ring(): make a bit more readable
aio: all callers of aio_{read,write,fsync,poll} treat 0 and -EIOCBQUEUED the same way
aio: take list removal to (some) callers of aio_complete()
aio: add missing break for the IOCB_CMD_FDSYNC case
random: convert to ->poll_mask
timerfd: convert to ->poll_mask
eventfd: switch to ->poll_mask
pipe: convert to ->poll_mask
crypto: af_alg: convert to ->poll_mask
net/rxrpc: convert to ->poll_mask
net/iucv: convert to ->poll_mask
net/phonet: convert to ->poll_mask
net/nfc: convert to ->poll_mask
net/caif: convert to ->poll_mask
net/bluetooth: convert to ->poll_mask
net/sctp: convert to ->poll_mask
net/tipc: convert to ->poll_mask
...
Pull dcache lookup cleanups from Al Viro:
"Cleaning ->lookup() instances up - mostly d_splice_alias() conversions"
* 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (29 commits)
switch the rest of procfs lookups to d_splice_alias()
procfs: switch instantiate_t to d_splice_alias()
don't bother with tid_fd_revalidate() in lookups
proc_lookupfd_common(): don't bother with instantiate unless the file is open
procfs: get rid of ancient BS in pid_revalidate() uses
cifs_lookup(): switch to d_splice_alias()
cifs_lookup(): cifs_get_inode_...() never returns 0 with *inode left NULL
9p: unify paths in v9fs_vfs_lookup()
ncp_lookup(): use d_splice_alias()
hfsplus: switch to d_splice_alias()
hfs: don't allow mounting over .../rsrc
hfs: use d_splice_alias()
omfs_lookup(): report IO errors, use d_splice_alias()
orangefs_lookup: simplify
openpromfs: switch to d_splice_alias()
xfs_vn_lookup: simplify a bit
adfs_lookup: do not fail with ENOENT on negatives, use d_splice_alias()
adfs_lookup_byname: .. *is* taken care of in fs/namei.c
romfs_lookup: switch to d_splice_alias()
qnx6_lookup: switch to d_splice_alias()
...
Pull fasync fix from Jeff Layton:
"Just a single fix for a deadlock in the fasync handling code that
Kirill observed while testing.
The fix is to change the fa_lock to be rwlock_t, and use a read lock
in kill_fasync_rcu"
* tag 'locks-v4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fasync: Fix deadlock between task-context and interrupt-context kill_fasync()
Pull documentation updates from Jonathan Corbet:
"There's been a fair amount of work in the docs tree this time around,
including:
- Extensive RST conversions and organizational work in the
memory-management docs thanks to Mike Rapoport.
- An update of Documentation/features from Andrea Parri and a script
to keep it updated.
- Various LICENSES updates from Thomas, along with a script to check
SPDX tags.
- Work to fix dangling references to documentation files; this
involved a fair number of one-liner comment changes outside of
Documentation/
... and the usual list of documentation improvements, typo fixes, etc"
* tag 'docs-4.18' of git://git.lwn.net/linux: (103 commits)
Documentation: document hung_task_panic kernel parameter
docs/admin-guide/mm: add high level concepts overview
docs/vm: move ksm and transhuge from "user" to "internals" section.
docs: Use the kerneldoc comments for memalloc_no*()
doc: document scope NOFS, NOIO APIs
docs: update kernel versions and dates in tables
docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge
docs/vm: transhuge: minor updates
docs/vm: transhuge: change sections order
Documentation: arm: clean up Marvell Berlin family info
Documentation: gpio: driver: Fix a typo and some odd grammar
docs: ranoops.rst: fix location of ramoops.txt
scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode
docs: uio-howto.rst: use a code block to solve a warning
mm, THP, doc: Add document for thp_swpout/thp_swpout_fallback
w1: w1_io.c: fix a kernel-doc warning
Documentation/process/posting: wrap text at 80 cols
docs: admin-guide: add cgroup-v2 documentation
Revert "Documentation/features/vm: Remove arch support status file for 'pte_special'"
Documentation: refcount-vs-atomic: Update reference to LKMM doc.
...
We already earlier discouraged people from using this interface in
commit 88796e7e5c ("sched/swait: Document it clearly that the swait
facilities are special and shouldn't be used"), but I just got a pull
request with a new broken user.
So make the comment *really* clear.
The swait interfaces are bad, and should not be used unless you have
some *very* strong reasons that include tons of hard performance numbers
on just why you want to use them, and you show that you actually
understand that they aren't at all like the normal wait/wakeup
interfaces.
So far, every single user has been suspect. The main user is KVM, which
is completely pointless (there is only ever one waiter, which avoids the
interface subtleties, but also means that having a queue instead of a
pointer is counter-productive and certainly not an "optimization").
So make the comments much stronger.
Not that anybody likely reads them anyway, but there's always some
slight hope that it will cause somebody to think twice.
I'd like to remove this interface entirely, but there is the theoretical
possibility that it's actually the right thing to use in some situation,
most likely some deep RT use.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull regmap updates from Mark Brown:
"This is another quiet release for regmap, there's one minor feature
improvement for the recently added slimbus support and a few minor
fixes and cleanups"
* tag 'regmap-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: slimbus: allow register offsets up to 16 bits
regmap: add missing prototype for devm_init_slimbus
regmap: Skip clk_put for attached clocks when freeing context
regmap: include <linux/ktime.h> from include/linux/regmap.h
Pull spi updates from Mark Brown:
"Quite a busy release for SPI, mainly as a result of Boris Brezillon's
work on improving the integration with MTD for accelerated SPI flash
controllers. He's added a new spi_mem interface which works a lot
better with general hardware and converted the users over to it, as a
result of this work we've got some MTD changes in here as well.
Other highlights include:
- Lots of spring cleaning for the s3c64xx driver.
- Removal of the bcm53xx, the hardware is also supported by the mspi
driver but SoC naming had caused people to miss the duplication.
- Conversion of the pxa2xx driver to use the standard message
processing loop rather than open coding.
- A bunch of improvements to the runtime PM of the OMAP McSPI driver"
* tag 'spi-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: Fix typo on SPI_MEM help text
spi: sh-msiof: Fix setting SIRMDR1.SYNCAC to match SITMDR1.SYNCAC
mtd: devices: m25p80: Use spi_mem_set_drvdata() instead of spi_set_drvdata()
spi: omap2-mcspi: Remove unnecessary pm_runtime_force_suspend()
spi: Add missing pm_runtime_put_noidle() after failed get
spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it
spi: spi-s3c64xx: Fix system resume support
spi: bcm-qspi: Fix build failure caused by spi_flash_read() API removal
spi: Get rid of the spi_flash_read() API
mtd: spi-nor: Use the spi_mem_xx() API
spi: ti-qspi: Implement the spi_mem interface
spi: bcm-qspi: Implement the spi_mem interface
spi: Make support for regular transfers optional when ->mem_ops != NULL
spi: Extend the core to ease integration of SPI memory controllers
spi: remove forgotten CONFIG_SPI_BCM53XX
spi: remove the older/duplicated bcm53xx driver
spi: pxa2xx: check clk_prepare_enable() return value
spi: lpspi: Switch to SPDX identifier
spi: mxs: Switch to SPDX identifier
spi: imx: Switch to SPDX identifier
...
Pull chrome platform updates from Benson Leung:
- further changes from Dmitry related to the removal of platform data
from atmel_mxt_ts and chromeos_laptop.
This time, we have some changes that teach chromeos_laptop how to
supply acpi properties for some input devices so that the peripheral
driver doesn't have to do dmi matching on some Chromebook platforms.
- new Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
- other misc cleanup
* tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: Use to_cros_ec_dev more broadly
platform/chrome: chromeos_laptop: fix touchpad button mapping on Celes
platform: chrome: Add input dependency for tablet switch driver
platform/chrome: chromeos_laptop - supply properties for ACPI devices
platform/chrome: chromeos_tbmc - add SPDX identifier
platform: chrome: Add Tablet Switch ACPI driver
platform/chrome: cros_ec_lpc: do not try DMI match when ACPI device found
Pull hwmon updates from Guenter Roeck:
- asus_atk0110 driver modified to use new API
- k10temp supports new CPUs and reports both Tctl and Tdie
- minor fixes in gpio-fan, ltc2990, fschmd, and mc13783 drivers
* tag 'hwmon-for-linus-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (asus_atk0110) Make use of device managed memory
hwmon: (asus_atk0110) Replace deprecated device register call
hwmon: (k10temp) Make function get_raw_temp static
hwmon: (gpio-fan) Fix "#cooling-cells" property name in bindings
MAINTAINERS: hwmon: Add Documentation/devicetree/bindings/hwmon
hwmon: (ltc2990) support all measurement modes
hwmon: (ltc2990) add devicetree binding
hwmon: (ltc2990) Fix incorrect conversion of negative temperatures
hwmon: (core) check parent dev != NULL when chip != NULL
hwmon: (fschmd) fix typo 'can by' to 'can be'
hwmon: (k10temp) Display both Tctl and Tdie
hwmon: (k10temp) Add support for Stoney Ridge and Bristol Ridge CPUs
hwmon: MC13783: Add uid and die temperature sensor inputs
Pull dma-mapping updates from Christoph Hellwig:
- replace the force_dma flag with a dma_configure bus method. (Nipun
Gupta, although one patch is іncorrectly attributed to me due to a
git rebase bug)
- use GFP_DMA32 more agressively in dma-direct. (Takashi Iwai)
- remove PCI_DMA_BUS_IS_PHYS and rely on the dma-mapping API to do the
right thing for bounce buffering.
- move dma-debug initialization to common code, and apply a few
cleanups to the dma-debug code.
- cleanup the Kconfig mess around swiotlb selection
- swiotlb comment fixup (Yisheng Xie)
- a trivial swiotlb fix. (Dan Carpenter)
- support swiotlb on RISC-V. (based on a patch from Palmer Dabbelt)
- add a new generic dma-noncoherent dma_map_ops implementation and use
it for arc, c6x and nds32.
- improve scatterlist validity checking in dma-debug. (Robin Murphy)
- add a struct device quirk to limit the dma-mask to 32-bit due to
bridge/system issues, and switch x86 to use it instead of a local
hack for VIA bridges.
- handle devices without a dma_mask more gracefully in the dma-direct
code.
* tag 'dma-mapping-4.18' of git://git.infradead.org/users/hch/dma-mapping: (48 commits)
dma-direct: don't crash on device without dma_mask
nds32: use generic dma_noncoherent_ops
nds32: implement the unmap_sg DMA operation
nds32: consolidate DMA cache maintainance routines
x86/pci-dma: switch the VIA 32-bit DMA quirk to use the struct device flag
x86/pci-dma: remove the explicit nodac and allowdac option
x86/pci-dma: remove the experimental forcesac boot option
Documentation/x86: remove a stray reference to pci-nommu.c
core, dma-direct: add a flag 32-bit dma limits
dma-mapping: remove unused gfp_t parameter to arch_dma_alloc_attrs
dma-debug: check scatterlist segments
c6x: use generic dma_noncoherent_ops
arc: use generic dma_noncoherent_ops
arc: fix arc_dma_{map,unmap}_page
arc: fix arc_dma_sync_sg_for_{cpu,device}
arc: simplify arc_dma_sync_single_for_{cpu,device}
dma-mapping: provide a generic dma-noncoherent implementation
dma-mapping: simplify Kconfig dependencies
riscv: add swiotlb support
riscv: only enable ZONE_DMA32 for 64-bit
...
Pull misc vfs updates from Al Viro:
"Misc bits and pieces not fitting into anything more specific"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: delete unnecessary assignment in vfs_listxattr
Documentation: filesystems: update filesystem locking documentation
vfs: namei: use path_equal() in follow_dotdot()
fs.h: fix outdated comment about file flags
__inode_security_revalidate() never gets NULL opt_dentry
make xattr_getsecurity() static
vfat: simplify checks in vfat_lookup()
get rid of dead code in d_find_alias()
it's SB_BORN, not MS_BORN...
msdos_rmdir(): kill BS comment
remove rpc_rmdir()
fs: avoid fdput() after failed fdget() in vfs_dedupe_file_range()
Pull rmdir update from Al Viro:
"More shrink_dcache_parent()-related stuff - killing the main source of
potentially contended calls of that on large subtrees"
* 'work.rmdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
rmdir(),rename(): do shrink_dcache_parent() only on success
Pull dcache updates from Al Viro:
"This is the first part of dealing with livelocks etc around
shrink_dcache_parent()."
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
restore cond_resched() in shrink_dcache_parent()
dput(): turn into explicit while() loop
dcache: move cond_resched() into the end of __dentry_kill()
d_walk(): kill 'finish' callback
d_invalidate(): unhash immediately
Pull block updates from Jens Axboe:
- clean up how we pass around gfp_t and
blk_mq_req_flags_t (Christoph)
- prepare us to defer scheduler attach (Christoph)
- clean up drivers handling of bounce buffers (Christoph)
- fix timeout handling corner cases (Christoph/Bart/Keith)
- bcache fixes (Coly)
- prep work for bcachefs and some block layer optimizations (Kent).
- convert users of bio_sets to using embedded structs (Kent).
- fixes for the BFQ io scheduler (Paolo/Davide/Filippo)
- lightnvm fixes and improvements (Matias, with contributions from Hans
and Javier)
- adding discard throttling to blk-wbt (me)
- sbitmap blk-mq-tag handling (me/Omar/Ming).
- remove the sparc jsflash block driver, acked by DaveM.
- Kyber scheduler improvement from Jianchao, making it more friendly
wrt merging.
- conversion of symbolic proc permissions to octal, from Joe Perches.
Previously the block parts were a mix of both.
- nbd fixes (Josef and Kevin Vigor)
- unify how we handle the various kinds of timestamps that the block
core and utility code uses (Omar)
- three NVMe pull requests from Keith and Christoph, bringing AEN to
feature completeness, file backed namespaces, cq/sq lock split, and
various fixes
- various little fixes and improvements all over the map
* tag 'for-4.18/block-20180603' of git://git.kernel.dk/linux-block: (196 commits)
blk-mq: update nr_requests when switching to 'none' scheduler
block: don't use blocking queue entered for recursive bio submits
dm-crypt: fix warning in shutdown path
lightnvm: pblk: take bitmap alloc. out of critical section
lightnvm: pblk: kick writer on new flush points
lightnvm: pblk: only try to recover lines with written smeta
lightnvm: pblk: remove unnecessary bio_get/put
lightnvm: pblk: add possibility to set write buffer size manually
lightnvm: fix partial read error path
lightnvm: proper error handling for pblk_bio_add_pages
lightnvm: pblk: fix smeta write error path
lightnvm: pblk: garbage collect lines with failed writes
lightnvm: pblk: rework write error recovery path
lightnvm: pblk: remove dead function
lightnvm: pass flag on graceful teardown to targets
lightnvm: pblk: check for chunk size before allocating it
lightnvm: pblk: remove unnecessary argument
lightnvm: pblk: remove unnecessary indirection
lightnvm: pblk: return NVM_ error on failed submission
lightnvm: pblk: warn in case of corrupted write buffer
...
Pull vfs fixes from Al Viro.
- fix io_destroy()/aio_complete() race
- the vfs_open() change to get rid of open_check_o_direct() boilerplate
was nice, but buggy. Al has a patch avoiding a revert, but that's
definitely not a last-day fodder, so for now revert it is...
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Revert "fs: fold open_check_o_direct into do_dentry_open"
fix io_destroy()/aio_complete() race
This reverts commit cab64df194.
Having vfs_open() in some cases drop the reference to
struct file combined with
error = vfs_open(path, f, cred);
if (error) {
put_filp(f);
return ERR_PTR(error);
}
return f;
is flat-out wrong. It used to be
error = vfs_open(path, f, cred);
if (!error) {
/* from now on we need fput() to dispose of f */
error = open_check_o_direct(f);
if (error) {
fput(f);
f = ERR_PTR(error);
}
} else {
put_filp(f);
f = ERR_PTR(error);
}
and sure, having that open_check_o_direct() boilerplate gotten rid of is
nice, but not that way...
Worse, another call chain (via finish_open()) is FUBAR now wrt
FILE_OPENED handling - in that case we get error returned, with file
already hit by fput() *AND* FILE_OPENED not set. Guess what happens in
path_openat(), when it hits
if (!(opened & FILE_OPENED)) {
BUG_ON(!error);
put_filp(file);
}
The root cause of all that crap is that the callers of do_dentry_open()
have no way to tell which way did it fail; while that could be fixed up
(by passing something like int *opened to do_dentry_open() and have it
marked if we'd called ->open()), it's probably much too late in the
cycle to do so right now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull scheduler fixes from Thomas Gleixner:
- two patches addressing the problem that the scheduler allows under
certain conditions user space tasks to be scheduled on CPUs which are
not yet fully booted which causes a few subtle and hard to debug
issue
- add a missing runqueue clock update in the deadline scheduler which
triggers a warning under certain circumstances
- fix a silly typo in the scheduler header file
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/headers: Fix typo
sched/deadline: Fix missing clock update
sched/core: Require cpu_active() in select_task_rq(), for user tasks
sched/core: Fix rules for running on online && !active CPUs
Now we setup q->nr_requests when switching to one new scheduler,
but not do it for 'none', then q->nr_requests may not be correct
for 'none'.
This patch fixes this issue by always updating 'nr_requests' when
switching to 'none'.
Cc: Marco Patalano <mpatalan@redhat.com>
Cc: "Ewan D. Milne" <emilne@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If we end up splitting a bio and the queue goes away between
the initial submission and the later split submission, then we
can block forever in blk_queue_enter() waiting for the reference
to drop to zero. This will never happen, since we already hold
a reference.
Mark a split bio as already having entered the queue, so we can
just use the live non-blocking queue enter variant.
Thanks to Tetsuo Handa for the analysis.
Reported-by: syzbot+c4f9cebf9d651f6e54de@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The counter for the number of allocated pages includes pages in the
mempool's reserve, so checking that the number of allocated pages is 0
needs to happen after we exit the mempool.
Fixes: 6f1c819c21 ("dm: convert to bioset_init()/mempool_init()")
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Fixed to always just use percpu_counter_sum()
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pull networking fixes from David Miller:
1) Infinite loop in _decode_session6(), from Eric Dumazet.
2) Pass correct argument to nla_strlcpy() in netfilter, also from Eric
Dumazet.
3) Out of bounds memory access in ipv6 srh code, from Mathieu Xhonneux.
4) NULL deref in XDP_REDIRECT handling of tun driver, from Toshiaki
Makita.
5) Incorrect idr release in cls_flower, from Paul Blakey.
6) Probe error handling fix in davinci_emac, from Dan Carpenter.
7) Memory leak in XPS configuration, from Alexander Duyck.
8) Use after free with cloned sockets in kcm, from Kirill Tkhai.
9) MTU handling fixes fo ip_tunnel and ip6_tunnel, from Nicolas
Dichtel.
10) Fix UAPI hole in bpf data structure for 32-bit compat applications,
from Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (33 commits)
bpf: fix uapi hole for 32 bit compat applications
net: usb: cdc_mbim: add flag FLAG_SEND_ZLP
ip6_tunnel: remove magic mtu value 0xFFF8
ip_tunnel: restore binding to ifaces with a large mtu
net: dsa: b53: Add BCM5389 support
kcm: Fix use-after-free caused by clonned sockets
net-sysfs: Fix memory leak in XPS configuration
ixgbe: fix parsing of TC actions for HW offload
net: ethernet: davinci_emac: fix error handling in probe()
net/ncsi: Fix array size in dumpit handler
cls_flower: Fix incorrect idr release when failing to modify rule
net/sonic: Use dma_mapping_error()
xfrm Fix potential error pointer dereference in xfrm_bundle_create.
vhost_net: flush batched heads before trying to busy polling
tun: Fix NULL pointer dereference in XDP redirect
be2net: Fix error detection logic for BE3
net: qmi_wwan: Add Netgear Aircard 779S
mlxsw: spectrum: Forbid creation of VLAN 1 over port/LAG
atm: zatm: fix memcmp casting
iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs
...
Pull SCSI fix from James Bottomley:
"Eve of merge window fix: The original code was so bogus as to be
casting the wrong generic device to an rport and proceeding to take
actions based on the bogus values it found.
Fortunately it seems the location that is dereferenced always exists,
so the code hasn't oopsed yet, but it certainly annoys the memory
checkers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_transport_srp: Fix shost to rport translation
Pull drm fixes from Dave Airlie:
"A few final fixes:
i915:
- fix for potential Spectre vector in the new query uAPI
- fix NULL pointer deref (FDO #106559)
- DMI fix to hide LVDS for Radiant P845 (FDO #105468)
amdgpu:
- suspend/resume DC regression fix
- underscan flicker fix on fiji
- gamma setting fix after dpms
omap:
- fix oops regression
core:
- fix PSR timing
dw-hdmi:
- fix oops regression"
* tag 'drm-fixes-for-v4.17-rc8' of git://people.freedesktop.org/~airlied/linux:
drm/amd/display: Update color props when modeset is required
drm/amd/display: Make atomic-check validate underscan changes
drm/bridge/synopsys: dw-hdmi: fix dw_hdmi_setup_rx_sense
drm/amd/display: Fix BUG_ON during CRTC atomic check update
drm/i915/query: nospec expects no more than an unsigned long
drm/i915/query: Protect tainted function pointer lookup
drm/i915/lvds: Move acpi lid notification registration to registration phase
drm/i915: Disable LVDS on Radiant P845
drm/omap: fix NULL deref crash with SDI displays
drm/psr: Fix missed entry in PSR setup time table.
Two last minute DC fixes for 4.17. A fix for underscan on fiji and
a fix for gamma settings getting after dpms.
* 'drm-fixes-4.17' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/display: Update color props when modeset is required
drm/amd/display: Make atomic-check validate underscan changes
Pull MIPS fixes from James Hogan:
"A final few MIPS fixes for 4.17:
- drop Lantiq gphy reboot/remove reset (4.14)
- prctl(PR_SET_FP_MODE): Disallow PRE without FR (4.0)
- ptrace(PTRACE_PEEKUSR): Fix 64-bit FGRs (3.15)"
* tag 'mips_fixes_4.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
MIPS: lantiq: gphy: Drop reboot/remove reset asserts
Pull VFIO fix from Alex Williamson:
"Revert a pfn page mapping optimization identified as introducing a bad
page state regression (Alex Williamson)"
* tag 'vfio-v4.17' of git://github.com/awilliam/linux-vfio:
Revert "vfio/type1: Improve memory pinning process for raw PFN mapping"
Pull char/misc driver fixes from Greg KH:
"Here are four small bugfixes for some char/misc drivers. Well, really
three fixes and one fix for one of those fixes due to problems found
by 0-day.
This resolves some reported issues with the hwtracing drivers, and a
reported regression for the thunderbolt subsystem. All of these have
been in linux-next for a while now with no reported problems"
* tag 'char-misc-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
hwtracing: stm: fix build error on some arches
intel_th: Use correct device when freeing buffers
stm class: Use vmalloc for the master map
thunderbolt: Handle NULL boot ACL entries properly
Pull IIO driver fixes from Greg KH:
"Here are some old IIO driver fixes that were sitting in my tree for a
few weeks. Sorry about not getting them to you sooner. They fix a
number of small IIO driver issues that have been reported.
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: select buffer for at91-sama5d2_adc
iio: hid-sensor-trigger: Fix sometimes not powering up the sensor after resume
iio: adc: at91-sama5d2_adc: fix channel configuration for differential channels
iio:kfifo_buf: check for uint overflow
iio:buffer: make length types match kfifo types
iio: adc: stm32-dfsdm: fix sample rate for div2 spi clock
iio: adc: stm32-dfsdm: fix successive oversampling settings
iio: ad7793: implement IIO_CHAN_INFO_SAMP_FREQ
Pull rdma fixes from Jason Gunthorpe:
"Just three small last minute regressions that were found in the last
week. The Broadcom fix is a bit big for rc7, but since it is fixing
driver crash regressions that were merged via netdev into rc1, I am
sending it.
- bnxt netdev changes merged this cycle caused the bnxt RDMA driver
to crash under certain situations
- Arnd found (several, unfortunately) kconfig problems with the
patches adding INFINIBAND_ADDR_TRANS. Reverting this last part,
will fix it more fully outside -rc.
- Subtle change in error code for a uapi function caused breakage in
userspace. This was bug was subtly introduced cycle"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/core: Fix error code for invalid GID entry
IB: Revert "remove redundant INFINIBAND kconfig dependencies"
RDMA/bnxt_re: Fix broken RoCE driver due to recent L2 driver changes
Merge two fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: fix the NULL mapping case in __isolate_lru_page()
mm/huge_memory.c: __split_huge_page() use atomic ClearPageDirty()
George Boole would have noticed a slight error in 4.16 commit
69d763fc6d ("mm: pin address_space before dereferencing it while
isolating an LRU page"). Fix it, to match both the comment above it,
and the original behaviour.
Although anonymous pages are not marked PageDirty at first, we have an
old habit of calling SetPageDirty when a page is removed from swap
cache: so there's a category of ex-swap pages that are easily
migratable, but were inadvertently excluded from compaction's async
migration in 4.16.
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1805302014001.12558@eggly.anvils
Fixes: 69d763fc6d ("mm: pin address_space before dereferencing it while isolating an LRU page")
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Reported-by: Ivan Kalvachev <ikalvachev@gmail.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Swapping load on huge=always tmpfs (with khugepaged tuned up to be very
eager, but I'm not sure that is relevant) soon hung uninterruptibly,
waiting for page lock in shmem_getpage_gfp()'s find_lock_entry(), most
often when "cp -a" was trying to write to a smallish file. Debug showed
that the page in question was not locked, and page->mapping NULL by now,
but page->index consistent with having been in a huge page before.
Reproduced in minutes on a 4.15 kernel, even with 4.17's 605ca5ede7
("mm/huge_memory.c: reorder operations in __split_huge_page_tail()") added
in; but took hours to reproduce on a 4.17 kernel (no idea why).
The culprit proved to be the __ClearPageDirty() on tails beyond i_size in
__split_huge_page(): the non-atomic __bitoperation may have been safe when
4.8's baa355fd33 ("thp: file pages support for split_huge_page()")
introduced it, but liable to erase PageWaiters after 4.10's 6290602709
("mm: add PageWaiters indicating tasks are waiting for a page bit").
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1805291841070.3197@eggly.anvils
Fixes: 6290602709 ("mm: add PageWaiters indicating tasks are waiting for a page bit")
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bisection by Amadeusz Sławiński implicates this commit leading to bad
page state issues after VM shutdown, likely due to unbalanced page
references. The original commit was intended only as a performance
improvement, therefore revert for offline rework.
Link: https://lkml.org/lkml/2018/6/2/97
Fixes: 356e88ebe4 ("vfio/type1: Improve memory pinning process for raw PFN mapping")
Cc: Jason Cai (Xiang Feng) <jason.cai@linux.alibaba.com>
Reported-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Daniel Borkmann says:
====================
pull-request: bpf 2018-06-02
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) BPF uapi fix in struct bpf_prog_info and struct bpf_map_info in
order to fix offsets on 32 bit archs.
This will have a minor merge conflict with net-next which has the
__u32 gpl_compatible:1 bitfield in struct bpf_prog_info at this
location. Resolution is to use the gpl_compatible member.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Testing Telit LM940 with ICMP packets > 14552 bytes revealed that
the modem needs FLAG_SEND_ZLP to properly work, otherwise the cdc
mbim data interface won't be anymore responsive.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Dichtel says:
====================
ip[6] tunnels: fix mtu calculations
The first patch restores the possibility to bind an ip4 tunnel to an
interface whith a large mtu.
The second patch was spotted after the first fix. I also target it to net
because it fixes the max mtu value that can be used for ipv6 tunnels.
v2: remove the 0xfff8 in ip_tunnel_newlink()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit f6cc9c054e, the following conf is broken (note that the
default loopback mtu is 65536, ie IP_MAX_MTU + 1):
$ ip tunnel add gre1 mode gre local 10.125.0.1 remote 10.125.0.2 dev lo
add tunnel "gre0" failed: Invalid argument
$ ip l a type dummy
$ ip l s dummy1 up
$ ip l s dummy1 mtu 65535
$ ip tunnel add gre1 mode gre local 10.125.0.1 remote 10.125.0.2 dev dummy1
add tunnel "gre0" failed: Invalid argument
dev_set_mtu() doesn't allow to set a mtu which is too large.
First, let's cap the mtu returned by ip_tunnel_bind_dev(). Second, remove
the magic value 0xFFF8 and use IP_MAX_MTU instead.
0xFFF8 seems to be there for ages, I don't know why this value was used.
With a recent kernel, it's also possible to set a mtu > IP_MAX_MTU:
$ ip l s dummy1 mtu 66000
After that patch, it's also possible to bind an ip tunnel on that kind of
interface.
CC: Petr Machata <petrm@mellanox.com>
CC: Ido Schimmel <idosch@mellanox.com>
Link: https://git.kernel.org/pub/scm/linux/kernel/git/davem/netdev-vger-cvs.git/commit/?id=e5afd356a411a
Fixes: f6cc9c054e ("ip_tunnel: Emit events for post-register MTU changes")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2018-05-31
1) Avoid possible overflow of the offset variable
in _decode_session6(), this fixes an infinite
lookp there. From Eric Dumazet.
2) We may use an error pointer in the error path of
xfrm_bundle_create(). Fix this by returning this
pointer directly to the caller.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Use devm_* variants of kstrdup and kzalloc. Get rid of kfree cleanups.
Signed-off-by: Bastian Germann <bastiangermann@fishpost.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Make the asus_atk0110 driver use hwmon_device_register_with_groups instead
of the deprecated hwmon_device_register.
Construct the expected attribute_group array from the sensor list which
contains all needed attributes.
Remove the manual sysfs file creation and deletion that are now taken care
of by the (un)register calls via the attribute_group array.
Signed-off-by: Bastian Germann <bastiangermann@fishpost.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The function get_raw_temp is local to the source and does not need to
be in global scope, so make it static.
Cleans up sparse warning:
drivers/hwmon/k10temp.c:149:14: warning: symbol 'get_raw_temp' was not
declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
