[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v9 00/19] qspinlock: a 4-byte queue spinlock with PV support
On 04/18/2014 09:18 AM, Konrad Rzeszutek Wilk wrote: 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: http://lkml.kernel.org/r/20140310154236.038181843@xxxxxxxxxxxxx - Break the more complex patches into smaller ones to ease review effort. - Fix a racing condition in the PV qspinlock code.I am not seeing anything mentioning that the overcommit scenario for KVM and Xen had been fixed. Or was the 'racing condition' said issue? Thanks.The hanging is caused by a racing condition which should be fixed in the v9 patch. Please let me know if you are still seeing it.OK, is there a git tree with these patches to easily slurp them up? I am sorry that I don't have a public git tree with the qspinlock patches. However, I have made a consolidated patch (patches 1-19) in the attached file. Hopefully that will make it easier to apply the patch. BTW, it has to be on top of 3.15-rc1 or later version. This may also be a conflict in the xen/spinlock.c file. -Longman Attachment:
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