lkml.org 
[lkml]   [2014]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [tip:core/locking] locking/mutexes: Modify the way optimistic spinners are queued
From
Date
On Tue, 2014-03-11 at 05:41 -0700, tip-bot for Jason Low wrote:

> diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
> index e6d646b..82dad2c 100644
> --- a/kernel/locking/mutex.c
> +++ b/kernel/locking/mutex.c
> @@ -403,9 +403,9 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
> if (!mutex_can_spin_on_owner(lock))
> goto slowpath;
>
> + mcs_spin_lock(&lock->mcs_lock, &node);
> for (;;) {
> struct task_struct *owner;
> - struct mcs_spinlock node;

Hi Peter, Ingo,

The "struct mcs_spinlock node" still needs to be moved to the beginning
of __mutex_lock_common() right?



\
 
 \ /
  Last update: 2014-03-11 17:02    [W:0.119 / U:1.912 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site