public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
linux/kernel/futex
History
Peter Zijlstra bff7c57c2f futex: Simplify double_lock_hb() 
We need to make sure that all requeue operations take the hash bucket
locks in the same order to avoid deadlock. Simplify the current
double_lock_hb implementation by making sure hb1 is always the
"smallest" bucket to avoid extra checks.

[André: Add commit description]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: André Almeida <andrealmeid@collabora.com>
Link: https://lore.kernel.org/r/20210923171111.300673-16-andrealmeid@collabora.com
2021-10-07 13:51:11 +02:00
..
core.c futex: Split out wait/wake 2021-10-07 13:51:11 +02:00
futex.h futex: Simplify double_lock_hb() 2021-10-07 13:51:11 +02:00
Makefile futex: Split out wait/wake 2021-10-07 13:51:11 +02:00
pi.c futex: Split out PI futex 2021-10-07 13:51:09 +02:00
requeue.c futex: Split out requeue 2021-10-07 13:51:10 +02:00
syscalls.c
waitwake.c futex: Split out wait/wake 2021-10-07 13:51:11 +02:00