Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-05-07 Thread Waiman Long
On 04/27/2014 02:09 PM, Raghavendra K T wrote: For kvm part feel free to add: Tested-by: Raghavendra K T raghavendra...@linux.vnet.ibm.com V9 testing has shown no hangs. I was able to do some performance testing. here are the results: Overall we are seeing good improvement for pv-unfair

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-27 Thread Raghavendra K T
On 04/17/2014 08:33 PM, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181...@infradead.org - Break the more complex patches into smaller ones to ease review effort. - Fix a

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-18 Thread Konrad Rzeszutek Wilk
On Thu, Apr 17, 2014 at 09:48:36PM -0400, Waiman Long wrote: On 04/17/2014 01:23 PM, Konrad Rzeszutek Wilk wrote: On Thu, Apr 17, 2014 at 11:03:52AM -0400, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification:

[PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-17 Thread Waiman Long
v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181...@infradead.org - Break the more complex patches into smaller ones to ease review effort. - Fix a racing condition in the PV qspinlock code. v7-v8:

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-17 Thread Konrad Rzeszutek Wilk
On Thu, Apr 17, 2014 at 11:03:52AM -0400, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181...@infradead.org - Break the more complex patches into smaller ones to ease review

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-17 Thread Raghavendra K T
On 04/17/2014 10:53 PM, Konrad Rzeszutek Wilk wrote: On Thu, Apr 17, 2014 at 11:03:52AM -0400, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181...@infradead.org - Break the

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-17 Thread Waiman Long
On 04/17/2014 01:23 PM, Konrad Rzeszutek Wilk wrote: On Thu, Apr 17, 2014 at 11:03:52AM -0400, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181...@infradead.org - Break the

Re: [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support

2014-04-17 Thread Waiman Long
On 04/17/2014 01:40 PM, Raghavendra K T wrote: On 04/17/2014 10:53 PM, Konrad Rzeszutek Wilk wrote: On Thu, Apr 17, 2014 at 11:03:52AM -0400, Waiman Long wrote: v8-v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: