Messages in this thread | | | Subject | Re: [tip:core/locking] locking/mutexes: Modify the way optimistic spinners are queued | From | Jason Low <> | Date | Tue, 11 Mar 2014 08:24:20 -0700 |
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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?
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