[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v9 03/19] qspinlock: Add pending bit
On 04/18/2014 04:13 AM, Peter Zijlstra wrote: On Thu, Apr 17, 2014 at 05:20:31PM -0400, Waiman Long wrote:+ while ((val = atomic_read(&lock->val))& _Q_LOCKED_MASK) + arch_mutex_cpu_relax();That was a cpu_relax().Yes, but arch_mutex_cpu_relax() is the same as cpu_relax() for x86.Yeah, so why bother typing more? Let the s390 people sort that if/when they try and make this work for them. OK, I can revert the change if you wish. I have no objection for that. -Longman _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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