diff options
| author | Anna-Maria Gleixner <anna-maria@linutronix.de> | 2018-08-22 07:55:42 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 20:52:47 +0300 |
| commit | ce0a568d327968367f294ea2425fe2c6f4f33ed2 (patch) | |
| tree | 2c9d314854c059bfed32d69267691bb00d8f2e7a /include/linux/compiler.h | |
| parent | fc37191272a972d449bab3d8247cf52cadf5d4e6 (diff) | |
| download | linux-ce0a568d327968367f294ea2425fe2c6f4f33ed2.tar.xz | |
userns: use irqsave variant of refcount_dec_and_lock()
The irqsave variant of refcount_dec_and_lock handles irqsave/restore when
taking/releasing the spin lock. With this variant the call of
local_irq_save/restore is no longer required.
[bigeasy@linutronix.de: s@atomic_dec_and_lock@refcount_dec_and_lock@g]
Link: http://lkml.kernel.org/r/20180703200141.28415-7-bigeasy@linutronix.de
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/compiler.h')
0 files changed, 0 insertions, 0 deletions