From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH 0/2] gnttab: Improve scaleability
Date: Tue, 2 Dec 2014 11:00:09 +0000
Message-ID: <547D9BB9.7010305@citrix.com>
References: <1417514784-15749-1-git-send-email-chegger@amazon.de>
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To: Christoph Egger <chegger@amazon.de>, xen-devel@lists.xen.org
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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 (forward
ported a little), and it makes significant improvements to our scalability.

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

~Andrew