From 16208cc431f27694df9fd0347c3360b169aa7c2a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 21 Jul 2009 23:06:05 +0200 Subject: [PATCH 084/365] 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 --- kernel/user.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/user.c b/kernel/user.c index 41e94e453836..8780af77ee7e 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -162,11 +162,11 @@ 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) -- 2.28.0