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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-21 21:06:05 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:18 (GMT) |
| commit | de01f572460f2c01f62e79ccd80cdb72339f4a7c (patch) | |
| tree | a166385a5d68382a401ab128d60990ad0b4f5542 /kernel/user.c | |
| parent | 9c23a00447cf6ef86d56e7eb1b513ab3000259c2 (diff) | |
| download | linux-fsl-qoriq-de01f572460f2c01f62e79ccd80cdb72339f4a7c.tar.xz | |
core: Do not disable interrupts on RT in kernel/users.c
Use the local_irq_*_nort variants to reduce latencies in RT. The code
is serialized by the locks. No need to disable interrupts.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/user.c b/kernel/user.c index 75774ce..b143217 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -155,11 +155,11 @@ void free_uid(struct user_struct *up) if (!up) return; - local_irq_save(flags); + local_irq_save_nort(flags); if (atomic_dec_and_lock(&up->__count, &uidhash_lock)) free_user(up, flags); else - local_irq_restore(flags); + local_irq_restore_nort(flags); } struct user_struct *alloc_uid(kuid_t uid) |