| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull block fixes from Jens Axboe:
"A collection of fixes that should go into -rc1. This contains:
- bsg_open vs bsg_unregister race fix (Anatoliy)
- NVMe pull request from Christoph, with fixes for regressions in
this window, FC connect/reconnect path code unification, and a
trace point addition.
- timeout fix (Christoph)
- remove a few unused functions (Christoph)
- blk-mq tag_set reinit fix (Roman)"
* tag 'for-linus-20180616' of git://git.kernel.dk/linux-block:
bsg: fix race of bsg_open and bsg_unregister
block: remov blk_queue_invalidate_tags
nvme-fabrics: fix and refine state checks in __nvmf_check_ready
nvme-fabrics: handle the admin-only case properly in nvmf_check_ready
nvme-fabrics: refactor queue ready check
blk-mq: remove blk_mq_tagset_iter
nvme: remove nvme_reinit_tagset
nvme-fc: fix nulling of queue data on reconnect
nvme-fc: remove reinit_request routine
blk-mq: don't time out requests again that are in the timeout handler
nvme-fc: change controllers first connect to use reconnect path
nvme: don't rely on the changed namespace list log
nvmet: free smart-log buffer after use
nvme-rdma: fix error flow during mapping request data
nvme: add bio remapping tracepoint
nvme: fix NULL pointer dereference in nvme_init_subsystem
blk-mq: reinit q->tag_set_list entry only after grace period
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This function is entirely unused, so remove it and the tag_queue_busy
member of struct request_queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull NVMe fixes from Christoph:
"Fix various little regressions introduced in this merge window, plus
a rework of the fibre channel connect and reconnect path to share the
code instead of having separate sets of bugs. Last but not least a
trivial trace point addition from Hannes."
* 'nvme-4.18' of git://git.infradead.org/nvme:
nvme-fabrics: fix and refine state checks in __nvmf_check_ready
nvme-fabrics: handle the admin-only case properly in nvmf_check_ready
nvme-fabrics: refactor queue ready check
blk-mq: remove blk_mq_tagset_iter
nvme: remove nvme_reinit_tagset
nvme-fc: fix nulling of queue data on reconnect
nvme-fc: remove reinit_request routine
nvme-fc: change controllers first connect to use reconnect path
nvme: don't rely on the changed namespace list log
nvmet: free smart-log buffer after use
nvme-rdma: fix error flow during mapping request data
nvme: add bio remapping tracepoint
nvme: fix NULL pointer dereference in nvme_init_subsystem
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Unused now that nvme stopped using it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
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We can currently call the timeout handler again on a request that has
already been handed over to the timeout handler. Prevent that with a new
flag.
Fixes: 12f5b931 ("blk-mq: Remove generation seqeunce")
Reported-by: Andrew Randrianasulu <randrianasulu@gmail.com>
Tested-by: Andrew Randrianasulu <randrianasulu@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull documentation fixes from Mauro Carvalho Chehab:
"This solves a series of broken links for files under Documentation,
and improves a script meant to detect such broken links (see
scripts/documentation-file-ref-check).
The changes on this series are:
- can.rst: fix a footnote reference;
- crypto_engine.rst: Fix two parsing warnings;
- Fix a lot of broken references to Documentation/*;
- improve the scripts/documentation-file-ref-check script, in order
to help detecting/fixing broken references, preventing
false-positives.
After this patch series, only 33 broken references to doc files are
detected by scripts/documentation-file-ref-check"
* tag 'docs-broken-links' of git://linuxtv.org/mchehab/experimental: (26 commits)
fix a series of Documentation/ broken file name references
Documentation: rstFlatTable.py: fix a broken reference
ABI: sysfs-devices-system-cpu: remove a broken reference
devicetree: fix a series of wrong file references
devicetree: fix name of pinctrl-bindings.txt
devicetree: fix some bindings file names
MAINTAINERS: fix location of DT npcm files
MAINTAINERS: fix location of some display DT bindings
kernel-parameters.txt: fix pointers to sound parameters
bindings: nvmem/zii: Fix location of nvmem.txt
docs: Fix more broken references
scripts/documentation-file-ref-check: check tools/*/Documentation
scripts/documentation-file-ref-check: get rid of false-positives
scripts/documentation-file-ref-check: hint: dash or underline
scripts/documentation-file-ref-check: add a fix logic for DT
scripts/documentation-file-ref-check: accept more wildcards at filenames
scripts/documentation-file-ref-check: fix help message
media: max2175: fix location of driver's companion documentation
media: v4l: fix broken video4linux docs locations
media: dvb: point to the location of the old README.dvb-usb file
...
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As files move around, their previous links break. Fix the
references for them.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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As we move stuff around, some doc references are broken. Fix some of
them via this script:
./scripts/documentation-file-ref-check --fix
Manually checked if the produced result is valid, removing a few
false-positives.
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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The script:
./scripts/documentation-file-ref-check --fix
Gives multiple hints for broken references on some files.
Manually use the one that applies for some files.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"fsnotify cleanups unifying handling of different watch types.
This is the shortened fsnotify series from Amir with the last five
patches pulled out. Amir has modified those patches to not change
struct inode but obviously it's too late for those to go into this
merge window"
* tag 'fsnotify_for_v4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: add fsnotify_add_inode_mark() wrappers
fanotify: generalize fanotify_should_send_event()
fsnotify: generalize send_to_group()
fsnotify: generalize iteration of marks by object type
fsnotify: introduce marks iteration helpers
fsnotify: remove redundant arguments to handle_event()
fsnotify: use type id to identify connector object type
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Before changing the arguments of the functions fsnotify_add_mark()
and fsnotify_add_mark_locked(), convert most callers to use a wrapper.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Make some code that handles marks of object types inode and vfsmount
generic, so it can handle other object types.
Introduce fsnotify_foreach_obj_type macro to iterate marks by object type
and fsnotify_iter_{should|set}_report_type macros to set/test report_mask.
This is going to be used for adding mark of another object type
(super block mark).
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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inode_mark and vfsmount_mark arguments are passed to handle_event()
operation as function arguments as well as on iter_info struct.
The difference is that iter_info struct may contain marks that should
not be handled and are represented as NULL arguments to inode_mark or
vfsmount_mark.
Instead of passing the inode_mark and vfsmount_mark arguments, add
a report_mask member to iter_info struct to indicate which marks should
be handled, versus marks that should only be kept alive during user
wait.
This change is going to be used for passing more mark types
with handle_event() (i.e. super block marks).
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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An fsnotify_mark_connector is referencing a single type of object
(either inode or vfsmount). Instead of storing a type mask in
connector->flags, store a single type id in connector->type to
identify the type of object.
When a connector object is detached from the object, its type is set
to FSNOTIFY_OBJ_TYPE_DETACHED and this object is not going to be
reused.
The function fsnotify_clear_marks_by_group() is the only place where
type mask was used, so use type flags instead of type id to this
function.
This change is going to be more convenient when adding a new object
type (super block).
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"There is nothing really major here, few small fixes, some cleanups and
dead drivers removal:
- mark omapfb drivers as orphans in MAINTAINERS file (Tomi Valkeinen)
- add missing module license tags to omap/omapfb driver (Arnd
Bergmann)
- add missing GPIOLIB dependendy to omap2/omapfb driver (Arnd
Bergmann)
- convert savagefb, aty128fb & radeonfb drivers to use msleep & co.
(Jia-Ju Bai)
- allow COMPILE_TEST build for viafb driver (media part was reviewed
by media subsystem Maintainer)
- remove unused MERAM support from sh_mobile_lcdcfb and shmob-drm
drivers (drm parts were acked by shmob-drm driver Maintainer)
- remove unused auo_k190xfb drivers
- misc cleanups (Souptick Joarder, Wolfram Sang, Markus Elfring, Andy
Shevchenko, Colin Ian King)"
* tag 'fbdev-v4.18' of git://github.com/bzolnier/linux: (26 commits)
fb_omap2: add gpiolib dependency
video/omap: add module license tags
MAINTAINERS: make omapfb orphan
video: fbdev: pxafb: match_string() conversion fixup
video: fbdev: nvidia: fix spelling mistake: "scaleing" -> "scaling"
video: fbdev: fix spelling mistake: "frambuffer" -> "framebuffer"
video: fbdev: pxafb: Convert to use match_string() helper
video: fbdev: via: allow COMPILE_TEST build
video: fbdev: remove unused sh_mobile_meram driver
drm: shmobile: remove unused MERAM support
video: fbdev: sh_mobile_lcdcfb: remove unused MERAM support
video: fbdev: remove unused auo_k190xfb drivers
video: omap: Improve a size determination in omapfb_do_probe()
video: sm501fb: Improve a size determination in sm501fb_probe()
video: fbdev-MMP: Improve a size determination in path_init()
video: fbdev-MMP: Delete an error message for a failed memory allocation in two functions
video: auo_k190x: Delete an error message for a failed memory allocation in auok190x_common_probe()
video: sh_mobile_lcdcfb: Delete an error message for a failed memory allocation in two functions
video: sh_mobile_meram: Delete an error message for a failed memory allocation in sh_mobile_meram_probe()
video: fbdev: sh_mobile_meram: Drop SUPERH platform dependency
...
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Since commit a521422ea4ae ("ARM: shmobile: mackerel: Remove Legacy C
board code") MERAM functionality is unused. Remove it.
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull AFS updates from Al Viro:
"Assorted AFS stuff - ended up in vfs.git since most of that consists
of David's AFS-related followups to Christoph's procfs series"
* 'afs-proc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
afs: Optimise callback breaking by not repeating volume lookup
afs: Display manually added cells in dynamic root mount
afs: Enable IPv6 DNS lookups
afs: Show all of a server's addresses in /proc/fs/afs/servers
afs: Handle CONFIG_PROC_FS=n
proc: Make inline name size calculation automatic
afs: Implement network namespacing
afs: Mark afs_net::ws_cell as __rcu and set using rcu functions
afs: Fix a Sparse warning in xdr_decode_AFSFetchStatus()
proc: Add a way to make network proc files writable
afs: Rearrange fs/afs/proc.c to remove remaining predeclarations.
afs: Rearrange fs/afs/proc.c to move the show routines up
afs: Rearrange fs/afs/proc.c by moving fops and open functions down
afs: Move /proc management functions to the end of the file
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Alter the dynroot mount so that cells created by manipulation of
/proc/fs/afs/cells and /proc/fs/afs/rootcell and by specification of a root
cell as a module parameter will cause directories for those cells to be
created in the dynamic root superblock for the network namespace[*].
To this end:
(1) Only one dynamic root superblock is now created per network namespace
and this is shared between all attempts to mount it. This makes it
easier to find the superblock to modify.
(2) When a dynamic root superblock is created, the list of cells is walked
and directories created for each cell already defined.
(3) When a new cell is added, if a dynamic root superblock exists, a
directory is created for it.
(4) When a cell is destroyed, the directory is removed.
(5) These directories are created by calling lookup_one_len() on the root
dir which automatically creates them if they don't exist.
[*] Inasmuch as network namespaces are currently supported here.
Signed-off-by: David Howells <dhowells@redhat.com>
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Provide two extra functions, proc_create_net_data_write() and
proc_create_net_single_write() that act like their non-write versions but
also set a write method in the proc_dir_entry struct.
An internal simple write function is provided that will copy its buffer and
hand it to the pde->write() method if available (or give an error if not).
The buffer may be modified by the write method.
Signed-off-by: David Howells <dhowells@redhat.com>
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Pull networking fixes from David Miller:
1) Various netfilter fixlets from Pablo and the netfilter team.
2) Fix regression in IPVS caused by lack of PMTU exceptions on local
routes in ipv6, from Julian Anastasov.
3) Check pskb_trim_rcsum for failure in DSA, from Zhouyang Jia.
4) Don't crash on poll in TLS, from Daniel Borkmann.
5) Revert SO_REUSE{ADDR,PORT} change, it regresses various things
including Avahi mDNS. From Bart Van Assche.
6) Missing of_node_put in qcom/emac driver, from Yue Haibing.
7) We lack checking of the TCP checking in one special case during SYN
receive, from Frank van der Linden.
8) Fix module init error paths of mac80211 hwsim, from Johannes Berg.
9) Handle 802.1ad properly in stmmac driver, from Elad Nachman.
10) Must grab HW caps before doing quirk checks in stmmac driver, from
Jose Abreu.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
net: stmmac: Run HWIF Quirks after getting HW caps
neighbour: skip NTF_EXT_LEARNED entries during forced gc
net: cxgb3: add error handling for sysfs_create_group
tls: fix waitall behavior in tls_sw_recvmsg
tls: fix use-after-free in tls_push_record
l2tp: filter out non-PPP sessions in pppol2tp_tunnel_ioctl()
l2tp: reject creation of non-PPP sessions on L2TPv2 tunnels
mlxsw: spectrum_switchdev: Fix port_vlan refcounting
mlxsw: spectrum_router: Align with new route replace logic
mlxsw: spectrum_router: Allow appending to dev-only routes
ipv6: Only emit append events for appended routes
stmmac: added support for 802.1ad vlan stripping
cfg80211: fix rcu in cfg80211_unregister_wdev
mac80211: Move up init of TXQs
mac80211_hwsim: fix module init error paths
cfg80211: initialize sinfo in cfg80211_get_station
nl80211: fix some kernel doc tag mistakes
hv_netvsc: Fix the variable sizes in ipsecv2 and rsc offload
rds: avoid unenecessary cong_update in loop transport
l2tp: clean up stale tunnel or session in pppol2tp_connect's error path
...
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Add null check for nat_hook in nf_nat_decode_session()
[ 195.648098] UBSAN: Undefined behaviour in ./include/linux/netfilter.h:348:14
[ 195.651366] BUG: KASAN: null-ptr-deref in __xfrm_policy_check+0x208/0x1d70
[ 195.653888] member access within null pointer of type 'struct nf_nat_hook'
[ 195.653896] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.17.0-rc6+ #5
[ 195.656320] Read of size 8 at addr 0000000000000008 by task ping/2469
[ 195.658715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[ 195.658721] Call Trace:
[ 195.661087]
[ 195.669341] <IRQ>
[ 195.670574] dump_stack+0xc6/0x150
[ 195.672156] ? dump_stack_print_info.cold.0+0x1b/0x1b
[ 195.674121] ? ubsan_prologue+0x31/0x92
[ 195.676546] ubsan_epilogue+0x9/0x49
[ 195.678159] handle_null_ptr_deref+0x11a/0x130
[ 195.679800] ? sprint_OID+0x1a0/0x1a0
[ 195.681322] __ubsan_handle_type_mismatch_v1+0xd5/0x11d
[ 195.683146] ? ubsan_prologue+0x92/0x92
[ 195.684642] __xfrm_policy_check+0x18ef/0x1d70
[ 195.686294] ? rt_cache_valid+0x118/0x180
[ 195.687804] ? __xfrm_route_forward+0x410/0x410
[ 195.689463] ? fib_multipath_hash+0x700/0x700
[ 195.691109] ? kvm_sched_clock_read+0x23/0x40
[ 195.692805] ? pvclock_clocksource_read+0xf6/0x280
[ 195.694409] ? graph_lock+0xa0/0xa0
[ 195.695824] ? pvclock_clocksource_read+0xf6/0x280
[ 195.697508] ? pvclock_read_flags+0x80/0x80
[ 195.698981] ? kvm_sched_clock_read+0x23/0x40
[ 195.700347] ? sched_clock+0x5/0x10
[ 195.701525] ? sched_clock_cpu+0x18/0x1a0
[ 195.702846] tcp_v4_rcv+0x1d32/0x1de0
[ 195.704115] ? lock_repin_lock+0x70/0x270
[ 195.707072] ? pvclock_read_flags+0x80/0x80
[ 195.709302] ? tcp_v4_early_demux+0x4b0/0x4b0
[ 195.711833] ? lock_acquire+0x195/0x380
[ 195.714222] ? ip_local_deliver_finish+0xfc/0x770
[ 195.716967] ? raw_rcv+0x2b0/0x2b0
[ 195.718856] ? lock_release+0xa00/0xa00
[ 195.720938] ip_local_deliver_finish+0x1b9/0x770
[...]
Fixes: 2c205dd3981f ("netfilter: add struct nf_nat_hook and use it")
Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Reject non-null terminated helper names from xt_CT, from Gao Feng.
2) Fix KASAN splat due to out-of-bound access from commit phase, from
Alexey Kodanev.
3) Missing conntrack hook registration on IPVS FTP helper, from Julian
Anastasov.
4) Incorrect skbuff allocation size in bridge nft_reject, from Taehee Yoo.
5) Fix inverted check on packet xmit to non-local addresses, also from
Julian.
6) Fix ebtables alignment compat problems, from Alin Nastac.
7) Hook mask checks are not correct in xt_set, from Serhey Popovych.
8) Fix timeout listing of element in ipsets, from Jozsef.
9) Cap maximum timeout value in ipset, also from Jozsef.
10) Don't allow family option for hash:mac sets, from Florent Fourcot.
11) Restrict ebtables to work with NFPROTO_BRIDGE targets only, this
Florian.
12) Another bug reported by KASAN in the rbtree set backend, from
Taehee Yoo.
13) Missing __IPS_MAX_BIT update doesn't include IPS_OFFLOAD_BIT.
From Gao Feng.
14) Missing initialization of match/target in ebtables, from Florian
Westphal.
15) Remove useless nft_dup.h file in include path, from C. Labbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to the negative value condition in msecs_to_jiffies(), the real
max possible timeout value must be set to (UINT_MAX >> 1)/MSEC_PER_SEC.
Neutron Soutmun proposed the proper fix, but an insufficient one was
applied, see https://patchwork.ozlabs.org/patch/400405/.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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When listing sets with timeout support, there's a probability that
just timing out entries with "0" timeout value is listed/saved.
However when restoring the saved list, the zero timeout value means
permanent elelements.
The new behaviour is that timing out entries are listed with "timeout 1"
instead of zero.
Fixes netfilter bugzilla #1258.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Pull virtio updates from Michael Tsirkin:
"virtio, vhost: features, fixes
- PCI virtual function support for virtio
- DMA barriers for virtio strong barriers
- bugfixes"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio: update the comments for transport features
virtio_pci: support enabling VFs
vhost: fix info leak due to uninitialized memory
virtio_ring: switch to dma_XX barriers for rpmsg
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virtio is using barriers to order memory accesses, thus
dma_wmb/rmb is a good match.
Before
[mst@tuck linux]$ size drivers/virtio/virtio_ring.o
text data bss dec hex filename
11392 820 0 12212 2fb4 drivers/virtio/virtio_ring.o
After
mst@tuck linux]$ size drivers/virtio/virtio_ring.o
text data bss dec hex filename
11284 820 0 12104 2f48 drivers/virtio/virtio_ring.o
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-remoteproc@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge more updates from Andrew Morton:
- MM remainders
- various misc things
- kcov updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (27 commits)
lib/test_printf.c: call wait_for_random_bytes() before plain %p tests
hexagon: drop the unused variable zero_page_mask
hexagon: fix printk format warning in setup.c
mm: fix oom_kill event handling
treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX
mm: use octal not symbolic permissions
ipc: use new return type vm_fault_t
sysvipc/sem: mitigate semnum index against spectre v1
fault-injection: reorder config entries
arm: port KCOV to arm
sched/core / kcov: avoid kcov_area during task switch
kcov: prefault the kcov_area
kcov: ensure irq code sees a valid area
kernel/relay.c: change return type to vm_fault_t
exofs: avoid VLA in structures
coredump: fix spam with zero VMA process
fat: use fat_fs_error() instead of BUG_ON() in __fat_get_block()
proc: skip branch in /proc/*/* lookup
mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns
mm/memblock: add missing include <linux/bootmem.h>
...
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Commit e27be240df53 ("mm: memcg: make sure memory.events is uptodate
when waking pollers") converted most of memcg event counters to
per-memcg atomics, which made them less confusing for a user. The
"oom_kill" counter remained untouched, so now it behaves differently
than other counters (including "oom"). This adds nothing but confusion.
Let's fix this by adding the MEMCG_OOM_KILL event, and follow the
MEMCG_OOM approach.
This also removes a hack from count_memcg_event_mm(), introduced earlier
specially for the OOM_KILL counter.
[akpm@linux-foundation.org: fix for droppage of memcg-replace-mm-owner-with-mm-memcg.patch]
Link: http://lkml.kernel.org/r/20180508124637.29984-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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During a context switch, we first switch_mm() to the next task's mm,
then switch_to() that new task. This means that vmalloc'd regions which
had previously been faulted in can transiently disappear in the context
of the prev task.
Functions instrumented by KCOV may try to access a vmalloc'd kcov_area
during this window, and as the fault handling code is instrumented, this
results in a recursive fault.
We must avoid accessing any kcov_area during this window. We can do so
with a new flag in kcov_mode, set prior to switching the mm, and cleared
once the new task is live. Since task_struct::kcov_mode isn't always a
specific enum kcov_mode value, this is made an unsigned int.
The manipulation is hidden behind kcov_{prepare,finish}_switch() helpers,
which are empty for !CONFIG_KCOV kernels.
The code uses macros because I can't use static inline functions without a
circular include dependency between <linux/sched.h> and <linux/kcov.h>,
since the definition of task_struct uses things defined in <linux/kcov.h>
Link: http://lkml.kernel.org/r/20180504135535.53744-4-mark.rutland@arm.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The memcg kmem cache creation and deactivation (SLUB only) is
asynchronous. If a root kmem cache is destroyed whose memcg cache is in
the process of creation or deactivation, the kernel may crash.
Example of one such crash:
general protection fault: 0000 [#1] SMP PTI
CPU: 1 PID: 1721 Comm: kworker/14:1 Not tainted 4.17.0-smp
...
Workqueue: memcg_kmem_cache kmemcg_deactivate_workfn
RIP: 0010:has_cpu_slab
...
Call Trace:
? on_each_cpu_cond
__kmem_cache_shrink
kmemcg_cache_deact_after_rcu
kmemcg_deactivate_workfn
process_one_work
worker_thread
kthread
ret_from_fork+0x35/0x40
To fix this race, on root kmem cache destruction, mark the cache as
dying and flush the workqueue used for memcg kmem cache creation and
deactivation. SLUB's memcg kmem cache deactivation also includes RCU
callback and thus make sure all previous registered RCU callbacks have
completed as well.
[shakeelb@google.com: handle the RCU callbacks for SLUB deactivation]
Link: http://lkml.kernel.org/r/20180611192951.195727-1-shakeelb@google.com
[shakeelb@google.com: add more documentation, rename fields for readability]
Link: http://lkml.kernel.org/r/20180522201336.196994-1-shakeelb@google.com
[akpm@linux-foundation.org: fix build, per Shakeel]
[shakeelb@google.com: v3. Instead of refcount, flush the workqueue]
Link: http://lkml.kernel.org/r/20180530001204.183758-1-shakeelb@google.com
Link: http://lkml.kernel.org/r/20180521174116.171846-1-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground
Pull inode timestamps conversion to timespec64 from Arnd Bergmann:
"This is a late set of changes from Deepa Dinamani doing an automated
treewide conversion of the inode and iattr structures from 'timespec'
to 'timespec64', to push the conversion from the VFS layer into the
individual file systems.
As Deepa writes:
'The series aims to switch vfs timestamps to use struct timespec64.
Currently vfs uses struct timespec, which is not y2038 safe.
The series involves the following:
1. Add vfs helper functions for supporting struct timepec64
timestamps.
2. Cast prints of vfs timestamps to avoid warnings after the switch.
3. Simplify code using vfs timestamps so that the actual replacement
becomes easy.
4. Convert vfs timestamps to use struct timespec64 using a script.
This is a flag day patch.
Next steps:
1. Convert APIs that can handle timespec64, instead of converting
timestamps at the boundaries.
2. Update internal data structures to avoid timestamp conversions'
Thomas Gleixner adds:
'I think there is no point to drag that out for the next merge
window. The whole thing needs to be done in one go for the core
changes which means that you're going to play that catchup game
forever. Let's get over with it towards the end of the merge window'"
* tag 'vfs-timespec64' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground:
pstore: Remove bogus format string definition
vfs: change inode times to use struct timespec64
pstore: Convert internal records to timespec64
udf: Simplify calls to udf_disk_stamp_to_time
fs: nfs: get rid of memcpys for inode times
ceph: make inode time prints to be long long
lustre: Use long long type to print inode time
fs: add timespec64_truncate()
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vfs-timespec64
Pull the timespec64 conversion from Deepa Dinamani:
"The series aims to switch vfs timestamps to use
struct timespec64. Currently vfs uses struct timespec,
which is not y2038 safe.
The flag patch applies cleanly. I've not seen the timestamps
update logic change often. The series applies cleanly on 4.17-rc6
and linux-next tip (top commit: next-20180517).
I'm not sure how to merge this kind of a series with a flag patch.
We are targeting 4.18 for this.
Let me know if you have other suggestions.
The series involves the following:
1. Add vfs helper functions for supporting struct timepec64 timestamps.
2. Cast prints of vfs timestamps to avoid warnings after the switch.
3. Simplify code using vfs timestamps so that the actual
replacement becomes easy.
4. Convert vfs timestamps to use struct timespec64 using a script.
This is a flag day patch.
I've tried to keep the conversions with the script simple, to
aid in the reviews. I've kept all the internal filesystem data
structures and function signatures the same.
Next steps:
1. Convert APIs that can handle timespec64, instead of converting
timestamps at the boundaries.
2. Update internal data structures to avoid timestamp conversions."
I've pulled it into a branch based on top of the NFS changes that
are now in mainline, so I could resolve the non-obvious conflict
between the two while merging.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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struct timespec is not y2038 safe. Transition vfs to use
y2038 safe struct timespec64 instead.
The change was made with the help of the following cocinelle
script. This catches about 80% of the changes.
All the header file and logic changes are included in the
first 5 rules. The rest are trivial substitutions.
I avoid changing any of the function signatures or any other
filesystem specific data structures to keep the patch simple
for review.
The script can be a little shorter by combining different cases.
But, this version was sufficient for my usecase.
virtual patch
@ depends on patch @
identifier now;
@@
- struct timespec
+ struct timespec64
current_time ( ... )
{
- struct timespec now = current_kernel_time();
+ struct timespec64 now = current_kernel_time64();
...
- return timespec_trunc(
+ return timespec64_trunc(
... );
}
@ depends on patch @
identifier xtime;
@@
struct \( iattr \| inode \| kstat \) {
...
- struct timespec xtime;
+ struct timespec64 xtime;
...
}
@ depends on patch @
identifier t;
@@
struct inode_operations {
...
int (*update_time) (...,
- struct timespec t,
+ struct timespec64 t,
...);
...
}
@ depends on patch @
identifier t;
identifier fn_update_time =~ "update_time$";
@@
fn_update_time (...,
- struct timespec *t,
+ struct timespec64 *t,
...) { ... }
@ depends on patch @
identifier t;
@@
lease_get_mtime( ... ,
- struct timespec *t
+ struct timespec64 *t
) { ... }
@te depends on patch forall@
identifier ts;
local idexpression struct inode *inode_node;
identifier i_xtime =~ "^i_[acm]time$";
identifier ia_xtime =~ "^ia_[acm]time$";
identifier fn_update_time =~ "update_time$";
identifier fn;
expression e, E3;
local idexpression struct inode *node1;
local idexpression struct inode *node2;
local idexpression struct iattr *attr1;
local idexpression struct iattr *attr2;
local idexpression struct iattr attr;
identifier i_xtime1 =~ "^i_[acm]time$";
identifier i_xtime2 =~ "^i_[acm]time$";
identifier ia_xtime1 =~ "^ia_[acm]time$";
identifier ia_xtime2 =~ "^ia_[acm]time$";
@@
(
(
- struct timespec ts;
+ struct timespec64 ts;
|
- struct timespec ts = current_time(inode_node);
+ struct timespec64 ts = current_time(inode_node);
)
<+... when != ts
(
- timespec_equal(&inode_node->i_xtime, &ts)
+ timespec64_equal(&inode_node->i_xtime, &ts)
|
- timespec_equal(&ts, &inode_node->i_xtime)
+ timespec64_equal(&ts, &inode_node->i_xtime)
|
- timespec_compare(&inode_node->i_xtime, &ts)
+ timespec64_compare(&inode_node->i_xtime, &ts)
|
- timespec_compare(&ts, &inode_node->i_xtime)
+ timespec64_compare(&ts, &inode_node->i_xtime)
|
ts = current_time(e)
|
fn_update_time(..., &ts,...)
|
inode_node->i_xtime = ts
|
node1->i_xtime = ts
|
ts = inode_node->i_xtime
|
<+... attr1->ia_xtime ...+> = ts
|
ts = attr1->ia_xtime
|
ts.tv_sec
|
ts.tv_nsec
|
btrfs_set_stack_timespec_sec(..., ts.tv_sec)
|
btrfs_set_stack_timespec_nsec(..., ts.tv_nsec)
|
- ts = timespec64_to_timespec(
+ ts =
...
-)
|
- ts = ktime_to_timespec(
+ ts = ktime_to_timespec64(
...)
|
- ts = E3
+ ts = timespec_to_timespec64(E3)
|
- ktime_get_real_ts(&ts)
+ ktime_get_real_ts64(&ts)
|
fn(...,
- ts
+ timespec64_to_timespec(ts)
,...)
)
...+>
(
<... when != ts
- return ts;
+ return timespec64_to_timespec(ts);
...>
)
|
- timespec_equal(&node1->i_xtime1, &node2->i_xtime2)
+ timespec64_equal(&node1->i_xtime2, &node2->i_xtime2)
|
- timespec_equal(&node1->i_xtime1, &attr2->ia_xtime2)
+ timespec64_equal(&node1->i_xtime2, &attr2->ia_xtime2)
|
- timespec_compare(&node1->i_xtime1, &node2->i_xtime2)
+ timespec64_compare(&node1->i_xtime1, &node2->i_xtime2)
|
node1->i_xtime1 =
- timespec_trunc(attr1->ia_xtime1,
+ timespec64_trunc(attr1->ia_xtime1,
...)
|
- attr1->ia_xtime1 = timespec_trunc(attr2->ia_xtime2,
+ attr1->ia_xtime1 = timespec64_trunc(attr2->ia_xtime2,
...)
|
- ktime_get_real_ts(&attr1->ia_xtime1)
+ ktime_get_real_ts64(&attr1->ia_xtime1)
|
- ktime_get_real_ts(&attr.ia_xtime1)
+ ktime_get_real_ts64(&attr.ia_xtime1)
)
@ depends on patch @
struct inode *node;
struct iattr *attr;
identifier fn;
identifier i_xtime =~ "^i_[acm]time$";
identifier ia_xtime =~ "^ia_[acm]time$";
expression e;
@@
(
- fn(node->i_xtime);
+ fn(timespec64_to_timespec(node->i_xtime));
|
fn(...,
- node->i_xtime);
+ timespec64_to_timespec(node->i_xtime));
|
- e = fn(attr->ia_xtime);
+ e = fn(timespec64_to_timespec(attr->ia_xtime));
)
@ depends on patch forall @
struct inode *node;
struct iattr *attr;
identifier i_xtime =~ "^i_[acm]time$";
identifier ia_xtime =~ "^ia_[acm]time$";
identifier fn;
@@
{
+ struct timespec ts;
<+...
(
+ ts = timespec64_to_timespec(node->i_xtime);
fn (...,
- &node->i_xtime,
+ &ts,
...);
|
+ ts = timespec64_to_timespec(attr->ia_xtime);
fn (...,
- &attr->ia_xtime,
+ &ts,
...);
)
...+>
}
@ depends on patch forall @
struct inode *node;
struct iattr *attr;
struct kstat *stat;
identifier ia_xtime =~ "^ia_[acm]time$";
identifier i_xtime =~ "^i_[acm]time$";
identifier xtime =~ "^[acm]time$";
identifier fn, ret;
@@
{
+ struct timespec ts;
<+...
(
+ ts = timespec64_to_timespec(node->i_xtime);
ret = fn (...,
- &node->i_xtime,
+ &ts,
...);
|
+ ts = timespec64_to_timespec(node->i_xtime);
ret = fn (...,
- &node->i_xtime);
+ &ts);
|
+ ts = timespec64_to_timespec(attr->ia_xtime);
ret = fn (...,
- &attr->ia_xtime,
+ &ts,
...);
|
+ ts = timespec64_to_timespec(attr->ia_xtime);
ret = fn (...,
- &attr->ia_xtime);
+ &ts);
|
+ ts = timespec64_to_timespec(stat->xtime);
ret = fn (...,
- &stat->xtime);
+ &ts);
)
...+>
}
@ depends on patch @
struct inode *node;
struct inode *node2;
identifier i_xtime1 =~ "^i_[acm]time$";
identifier i_xtime2 =~ "^i_[acm]time$";
identifier i_xtime3 =~ "^i_[acm]time$";
struct iattr *attrp;
struct iattr *attrp2;
struct iattr attr ;
identifier ia_xtime1 =~ "^ia_[acm]time$";
identifier ia_xtime2 =~ "^ia_[acm]time$";
struct kstat *stat;
struct kstat stat1;
struct timespec64 ts;
identifier xtime =~ "^[acmb]time$";
expression e;
@@
(
( node->i_xtime2 \| attrp->ia_xtime2 \| attr.ia_xtime2 \) = node->i_xtime1 ;
|
node->i_xtime2 = \( node2->i_xtime1 \| timespec64_trunc(...) \);
|
node->i_xtime2 = node->i_xtime1 = node->i_xtime3 = \(ts \| current_time(...) \);
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node->i_xtime1 = node->i_xtime3 = \(ts \| current_time(...) \);
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stat->xtime = node2->i_xtime1;
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stat1.xtime = node2->i_xtime1;
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( node->i_xtime2 \| attrp->ia_xtime2 \) = attrp->ia_xtime1 ;
|
( attrp->ia_xtime1 \| attr.ia_xtime1 \) = attrp2->ia_xtime2;
|
- e = node->i_xtime1;
+ e = timespec64_to_timespec( node->i_xtime1 );
|
- e = attrp->ia_xtime1;
+ e = timespec64_to_timespec( attrp->ia_xtime1 );
|
node->i_xtime1 = current_time(...);
|
node->i_xtime2 = node->i_xtime1 = node->i_xtime3 =
- e;
+ timespec_to_timespec64(e);
|
node->i_xtime1 = node->i_xtime3 =
- e;
+ timespec_to_timespec64(e);
|
- node->i_xtime1 = e;
+ node->i_xtime1 = timespec_to_timespec64(e);
)
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: <anton@tuxera.com>
Cc: <balbi@kernel.org>
Cc: <bfields@fieldses.org>
Cc: <darrick.wong@oracle.com>
Cc: <dhowells@redhat.com>
Cc: <dsterba@suse.com>
Cc: <dwmw2@infradead.org>
Cc: <hch@lst.de>
Cc: <hirofumi@mail.parknet.co.jp>
Cc: <hubcap@omnibond.com>
Cc: <jack@suse.com>
Cc: <jaegeuk@kernel.org>
Cc: <jaharkes@cs.cmu.edu>
Cc: <jslaby@suse.com>
Cc: <keescook@chromium.org>
Cc: <mark@fasheh.com>
Cc: <miklos@szeredi.hu>
Cc: <nico@linaro.org>
Cc: <reiserfs-devel@vger.kernel.org>
Cc: <richard@nod.at>
Cc: <sage@redhat.com>
Cc: <sfrench@samba.org>
Cc: <swhiteho@redhat.com>
Cc: <tj@kernel.org>
Cc: <trond.myklebust@primarydata.com>
Cc: <tytso@mit.edu>
Cc: <viro@zeniv.linux.org.uk>
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This prepares pstore for converting the VFS layer to timespec64.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
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As vfs moves to using struct timespec64 to represent times,
update the argument to timespec_truncate() to use
struct timespec64. Also change the name of the function.
The rest of the implementation logic is the same.
Move this to fs/inode.c instead of kernel/time/time.c as all the
users of this api are filesystems.
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: <viro@zeniv.linux.org.uk>
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Pull ceph updates from Ilya Dryomov:
"The main piece is a set of libceph changes that revamps how OSD
requests are aborted, improving CephFS ENOSPC handling and making
"umount -f" actually work (Zheng and myself).
The rest is mostly mount option handling cleanups from Chengguang and
assorted fixes from Zheng, Luis and Dongsheng.
* tag 'ceph-for-4.18-rc1' of git://github.com/ceph/ceph-client: (31 commits)
rbd: flush rbd_dev->watch_dwork after watch is unregistered
ceph: update description of some mount options
ceph: show ino32 if the value is different with default
ceph: strengthen rsize/wsize/readdir_max_bytes validation
ceph: fix alignment of rasize
ceph: fix use-after-free in ceph_statfs()
ceph: prevent i_version from going back
ceph: fix wrong check for the case of updating link count
libceph: allocate the locator string with GFP_NOFAIL
libceph: make abort_on_full a per-osdc setting
libceph: don't abort reads in ceph_osdc_abort_on_full()
libceph: avoid a use-after-free during map check
libceph: don't warn if req->r_abort_on_full is set
libceph: use for_each_request() in ceph_osdc_abort_on_full()
libceph: defer __complete_request() to a workqueue
libceph: move more code into __complete_request()
libceph: no need to call flush_workqueue() before destruction
ceph: flush pending works before shutdown super
ceph: abort osd requests on force umount
libceph: introduce ceph_osdc_abort_requests()
...
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calc_target() isn't supposed to fail with anything but POOL_DNE, in
which case we report that the pool doesn't exist and fail the request
with -ENOENT. Doing this for -ENOMEM is at the very least confusing
and also harmful -- as the preceding requests complete, a short-lived
locator string allocation is likely to succeed after a wait.
(We used to call ceph_object_locator_to_pg() for a pi lookup. In
theory that could fail with -ENOENT, hence the "ret != -ENOENT" warning
being removed.)
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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The intent behind making it a per-request setting was that it would be
set for writes, but not for reads. As it is, the flag is set for all
fs/ceph requests except for pool perm check stat request (technically
a read).
ceph_osdc_abort_on_full() skips reads since the previous commit and
I don't see a use case for marking individual requests.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
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In the common case, req->r_callback is called by handle_reply() on the
ceph-msgr worker thread without any locks. If handle_reply() fails, it
is called with both osd->lock and osdc->lock. In the map check case,
it is called with just osdc->lock but held for write. Finally, if the
request is aborted because of -ENOSPC or by ceph_osdc_abort_requests(),
it is called directly on the submitter's thread, again with both locks.
req->r_callback on the submitter's thread is relatively new (introduced
in 4.12) and ripe for deadlocks -- e.g. writeback worker thread waiting
on itself:
inode_wait_for_writeback+0x26/0x40
evict+0xb5/0x1a0
iput+0x1d2/0x220
ceph_put_wrbuffer_cap_refs+0xe0/0x2c0 [ceph]
writepages_finish+0x2d3/0x410 [ceph]
__complete_request+0x26/0x60 [libceph]
complete_request+0x2e/0x70 [libceph]
__submit_request+0x256/0x330 [libceph]
submit_request+0x2b/0x30 [libceph]
ceph_osdc_start_request+0x25/0x40 [libceph]
ceph_writepages_start+0xdfe/0x1320 [ceph]
do_writepages+0x1f/0x70
__writeback_single_inode+0x45/0x330
writeback_sb_inodes+0x26a/0x600
__writeback_inodes_wb+0x92/0xc0
wb_writeback+0x274/0x330
wb_workfn+0x2d5/0x3b0
Defer __complete_request() to a workqueue in all failure cases so it's
never on the same thread as ceph_osdc_start_request() and always called
with no locks held.
Link: http://tracker.ceph.com/issues/23978
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
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This will be used by the filesystem for "umount -f".
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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rstat is not tracked by capability. client can't know if rstat from
non-auth mds is uptodate or not.
Link: http://tracker.ceph.com/issues/23538
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Add proper error handling for osd_req_op_cls_init() to replace
BUG_ON statement when failing from memory allocation.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Several incremental improvements including new keycodes, new models,
new quirks, and related documentation. Adds LED platform driver
activation for Mellanox systems. Some minor optimizations and
cleanups. Includes several bug fixes, message silencing, mostly minor
Automated summary:
acer-wmi:
- add another KEY_POWER keycode
apple-gmux:
- fix gmux_get_client_id()'s return type
asus-laptop:
- Simplify getting .drvdata
asus-wireless:
- Fix format specifier
dell-laptop:
- Fix keyboard backlight timeout on XPS 13 9370
dell-smbios:
- Match on www.dell.com in OEM strings too
dell-wmi:
- Ignore new rfkill and fn-lock events
- Set correct keycode for Fn + left arrow
fujitsu-laptop:
- Simplify soft key handling
ideapad-laptop:
- Add E42-80 to no_hw_rfkill
- Add fn-lock setting
- Add MIIX 720-12IKB to no_hw_rfkill
lib/string_helpers:
- Add missed declaration of struct task_struct
intel_scu_ipc:
- Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl
mlx-platform:
- Add LED platform driver activation
platform/mellanox:
- Add new ODM system types to mlx-platform
- mlxreg-hotplug: add extra cycle for hotplug work queue
- mlxreg-hotplug: Document fixes for hotplug private data
platform_data/mlxreg:
- Document fixes for hotplug device
silead_dmi:
- Add entry for Chuwi Hi8 tablet touchscreen
- Add touchscreen info for the Onda V891w tablet
- Add info for the PoV mobii TAB-P800W (v2.0)
- Add touchscreen info for the Jumper EZpad 6 Pro
thinkpad_acpi:
- silence false-positive-prone pr_warn
- do not report thermal sensor state for tablet mode switch
- silence HKEY 0x6032, 0x60f0, 0x6030"
* tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86: (30 commits)
platform/x86: silead_dmi: Add entry for Chuwi Hi8 tablet touchscreen
platform/x86: dell-laptop: Fix keyboard backlight timeout on XPS 13 9370
platform/x86: dell-wmi: Ignore new rfkill and fn-lock events
platform/x86: mlx-platform: Add LED platform driver activation
platform/mellanox: Add new ODM system types to mlx-platform
platform/mellanox: mlxreg-hotplug: add extra cycle for hotplug work queue
platform/x86: ideapad-laptop: Add E42-80 to no_hw_rfkill
platform/x86: silead_dmi: Add touchscreen info for the Onda V891w tablet
platform/x86: silead_dmi: Add info for the PoV mobii TAB-P800W (v2.0)
platform/x86: silead_dmi: Add touchscreen info for the Jumper EZpad 6 Pro
platform/x86: asus-wireless: Fix format specifier
platform/x86: asus-wmi: Fix NULL pointer dereference
platform/x86: dell-wmi: Set correct keycode for Fn + left arrow
platform/x86: acer-wmi: add another KEY_POWER keycode
platform/x86: ideapad-laptop: Add fn-lock setting
platform/x86: ideapad-laptop: Add MIIX 720-12IKB to no_hw_rfkill
lib/string_helpers: Add missed declaration of struct task_struct
platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS
platform/mellanox: mlxreg-hotplug: Document fixes for hotplug private data
platform_data/mlxreg: Document fixes for hotplug device
...
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Starting from the commit 0d0443288f22 the new function has been
introduced which takes struct task_struct as a parameter. Though,
compiler doesn't know where to get information about it at this stage.
Add missed declaration of struct task_struct to satisfy compiler.
Fixes: 0d0443288f22 ("string_helpers: add kstrdup_quotable_cmdline")
Cc: Kees Cook <keescook@chromium.org>
Cc: James Morris <james.l.morris@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Kees Cook <keescook@chromium.org>
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Remove redunadant description of label in struct mlxreg_hotplug_device.
Change location of access_mode in struct mlxreg_hotplug_device.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- mainly feature additions to drivers (stm32f7, qup, xlp9xx, mlxcpld, ...)
- conversion to use the i2c_8bit_addr_from_msg macro consistently
- move includes to platform_data
- core updates to allow the (still in review) I3C subsystem to connect
- and the regular share of smaller driver updates
* 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (68 commits)
i2c: qup: fix building without CONFIG_ACPI
i2c: tegra: Remove suspend-resume
i2c: imx-lpi2c: Switch to SPDX identifier
i2c: mxs: Switch to SPDX identifier
i2c: busses: make use of i2c_8bit_addr_from_msg
i2c: algos: make use of i2c_8bit_addr_from_msg
i2c: rcar: document R8A77980 bindings
i2c: qup: Add command-line parameter to override SCL frequency
i2c: qup: Correct duty cycle for FM and FM+
i2c: qup: Add support for Fast Mode Plus
i2c: qup: add probe path for Centriq ACPI devices
i2c: robotfuzz-osif: drop pointless test
i2c: robotfuzz-osif: remove pointless local variable
i2c: rk3x: Don't print visible virtual mapping MMIO address
i2c: opal: don't check number of messages in the driver
i2c: ibm_iic: don't check number of messages in the driver
i2c: imx: Switch to SPDX identifier
i2c: mux: pca954x: merge calls to of_match_device and of_device_get_match_data
i2c: mux: demux-pinctrl: use proper parent device for demux adapter
i2c: mux: improve error message for failed symlink
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I3C busses have to know about all I2C devices connected on the I3C bus
to properly initialize the I3C master, and I2C frames can't be sent on
the bus until this initialization is done.
We can't let the I2C core parse the DT and instantiate I2C devices as
part of its i2c_add_adapter() procedure because, when done this way,
I2C devices are directly registered to the device-model and might be
attached to drivers which could in turn start sending frames on the bus,
which won't work since, as said above, the bus is not yet initialized.
Export of_i2c_register_device() in order to let the I3C core parse the
I2C device nodes by itself and initialize the bus.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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There are no platform_data users anymore. Move the structs into the
driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
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This header only contains platform_data. Move it to the proper directory.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
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