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Re: [Xen-devel] [PATCH 0/2] gnttab: Improve scaleability



On 2014/12/02 12:00, Andrew Cooper wrote:
> On 02/12/14 10:06, Christoph Egger wrote:
>> This patch series changes the grant table locking to
>> a more fain grained locking protocol. The result is
>> a performance boost measured with blkfront/blkback.
>> Document the locking protocol.
>>
>> [PATCH 1/2] gnttab: Introduce rwlock to protect updates to grant
>> [PATCH 2/2] gnttab: refactor locking for scalability
> 
> XenServer has been using the original version of this patch

Maybe the one sent by Matt Wilson some time ago?

> (forward ported a little),

This version is against staging tree.

> and it makes significant improvements to our scalability.

Thanks for confirmation.

> I highly recommend this for inclusion, although for 4.6 at this point.

I am fine with this. I would be happy to see a backport to xen 4.5 and
4.4 then.

Christoph


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