linux/block
Alexander Potapenko 11b331f857 block: kmsan: skip bio block merging logic for KMSAN
KMSAN doesn't allow treating adjacent memory pages as such, if they were
allocated by different alloc_pages() calls.  The block layer however does
so: adjacent pages end up being used together.  To prevent this, make
page_is_mergeable() return false under KMSAN.

Link: https://lkml.kernel.org/r/20220915150417.722975-29-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Suggested-by: Eric Biggers <ebiggers@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-10-03 14:03:23 -07:00
..
partitions Folio changes for 6.0 2022-08-03 10:35:43 -07:00
badblocks.c block/badblocks: Remove redundant assignments 2022-04-23 07:15:26 -06:00
bdev.c block: stop using bdevname in bdev_write_inode 2022-07-14 10:27:56 -06:00
bfq-cgroup.c block/bfq: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
bfq-iosched.c block/bfq: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
bfq-iosched.h block/bfq: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
bfq-wf2q.c block: bfq: Fix kernel-doc headers 2022-06-27 06:29:12 -06:00
bio-integrity.c block: pass struct queue_limits to the bio splitting helpers 2022-08-02 21:08:53 -06:00
bio.c block: kmsan: skip bio block merging logic for KMSAN 2022-10-03 14:03:23 -07:00
blk-cgroup-fc-appid.c blk-cgroup: move blkcg_{get,set}_fc_appid out of line 2022-05-02 14:06:20 -06:00
blk-cgroup-rwstat.c blk-cgroup: Fix the recursive blkg rwstat 2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-cgroup.c blk-cgroup: Use atomic{,64}_try_cmpxchg 2022-07-12 15:46:03 -06:00
blk-cgroup.h blk-cgroup: Use atomic{,64}_try_cmpxchg 2022-07-12 15:46:03 -06:00
blk-core.c block: move ->bio_split to the gendisk 2022-08-02 21:08:49 -06:00
blk-crypto-fallback.c block: remove superfluous calls to blkcg_bio_issue_init 2022-05-04 18:29:52 -06:00
blk-crypto-internal.h blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-crypto-profile.c blk-crypto: remove blk_crypto_unregister() 2021-11-29 06:38:51 -07:00
blk-crypto-sysfs.c blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-crypto.c blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-flush.c block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-ia-ranges.c block: simplify disk_set_independent_access_ranges 2022-06-29 08:36:46 -06:00
blk-integrity.c blk-crypto: remove blk_crypto_unregister() 2021-11-29 06:38:51 -07:00
blk-ioc.c block: fix default IO priority handling again 2022-06-27 06:29:12 -06:00
blk-iocost.c block: don't allow the same type rq_qos add more than once 2022-07-20 06:44:14 -06:00
blk-iolatency.c block: don't allow the same type rq_qos add more than once 2022-07-20 06:44:14 -06:00
blk-ioprio.c blk-ioprio: Convert from rqos policy to direct call 2022-06-27 06:29:12 -06:00
blk-ioprio.h blk-ioprio: Convert from rqos policy to direct call 2022-06-27 06:29:12 -06:00
blk-lib.c block: stop using bdevname in __blkdev_issue_discard 2022-07-14 10:27:56 -06:00
blk-map.c block: convert to advancing variants of iov_iter_get_pages{,_alloc}() 2022-08-08 22:37:22 -04:00
blk-merge.c block: pass struct queue_limits to the bio splitting helpers 2022-08-02 21:08:53 -06:00
blk-mq-cpumap.c blk-mq: remove the calling of local_memory_node() 2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c block: move zone related fields to struct gendisk 2022-07-06 06:46:26 -06:00
blk-mq-debugfs.c block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-mq-debugfs.h block: remove per-disk debugfs files in blk_unregister_queue 2022-06-17 07:31:05 -06:00
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c block: serialize all debugfs operations using q->debugfs_mutex 2022-06-17 07:31:05 -06:00
blk-mq-sched.h block: move blk_mq_sched_assign_ioc to blk-ioc.c 2021-11-29 06:41:29 -07:00
blk-mq-sysfs.c blk-mq: cleanup disk sysfs registration 2022-06-28 11:32:42 -06:00
blk-mq-tag.c blk-mq: Drop local variable for reserved tag 2022-07-06 06:33:53 -06:00
blk-mq-tag.h blk-mq: blk_mq_tag_busy is no need to return a value 2022-06-27 06:29:12 -06:00
blk-mq-virtio.c blk-mq: Fix typo in comment 2020-03-17 20:55:21 +01:00
blk-mq.c blk-mq: fix io hung due to missing commit_rqs 2022-08-19 20:45:58 +00:00
blk-mq.h block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-pm.c scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume() 2021-12-22 23:38:29 -05:00
blk-pm.h block: Remove unused blk_pm_*() function definitions 2021-02-22 06:33:48 -07:00
blk-rq-qos.c block/rq_qos: Use atomic_try_cmpxchg in atomic_inc_below 2022-07-12 14:38:52 -06:00
blk-rq-qos.h block: don't allow the same type rq_qos add more than once 2022-07-20 06:44:14 -06:00
blk-settings.c block: pass a gendisk to blk_queue_clear_zone_settings 2022-07-06 06:46:26 -06:00
blk-stat.c block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-stat.h block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-sysfs.c block: move ->bio_split to the gendisk 2022-08-02 21:08:49 -06:00
blk-throttle.c block: Use enum req_op where appropriate 2022-07-14 12:14:30 -06:00
blk-throttle.h block: cancel all throttled bios in del_gendisk() 2022-03-18 09:57:56 -06:00
blk-timeout.c block: blk-timeout: delete duplicated word 2020-07-31 16:29:47 -06:00
blk-wbt.c block: don't allow the same type rq_qos add more than once 2022-07-20 06:44:14 -06:00
blk-wbt.h blk-wbt: remove wbt_track stub 2022-03-31 12:58:38 -06:00
blk-zoned.c treewide: Rename enum req_opf into enum req_op 2022-07-14 12:14:30 -06:00
blk.h kmsan: disable physical page merging in biovec 2022-10-03 14:03:23 -07:00
bounce.c block: change the blk_queue_bounce calling convention 2022-08-02 17:22:54 -06:00
bsg-lib.c blk-mq: Drop blk_mq_ops.timeout 'reserved' arg 2022-07-06 06:33:53 -06:00
bsg.c scsi: core: bsg: Remove usage of the deprecated ida_simple_xxx() API 2022-06-21 21:22:51 -04:00
disk-events.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
elevator.c for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
elevator.h block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
fops.c new iov_iter flavour - ITER_UBUF 2022-08-08 22:37:15 -04:00
genhd.c block: Do not call blk_put_queue() if gendisk allocation fails 2022-08-12 06:42:06 -06:00
holder.c block: remove WARN_ON() from bd_link_disk_holder 2022-06-23 07:48:05 -06:00
ioctl.c block: replace blkdev_nr_zones with bdev_nr_zones 2022-07-06 06:46:26 -06:00
ioprio.c block: Fix handling of tasks without ioprio in ioprio_get(2) 2022-06-27 06:29:12 -06:00
Kconfig block: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP_IOCOST dependency 2022-06-29 08:35:57 -06:00
Kconfig.iosched block: only build the icq tracking code when needed 2021-12-16 10:59:02 -07:00
kyber-iosched.c block/kyber: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
Makefile blk-cgroup: move blkcg_{get,set}_fc_appid out of line 2022-05-02 14:06:20 -06:00
mq-deadline.c block/mq-deadline: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
opal_proto.h block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
sed-opal.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
t10-pi.c block: add pi for extended integrity 2022-03-07 12:48:35 -07:00