linux-kernel - Re: [Xen-devel] [PATCH RFC 0/4] xen-block: prevent blkfront for hoarding grants

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Message-ID: <51DEB4AF.5070307@citrix.com>
Date:	Thu, 11 Jul 2013 14:35:43 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Roger Pau Monne <roger.pau@...rix.com>
CC:	<xen-devel@...ts.xen.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH RFC 0/4] xen-block: prevent blkfront for	hoarding
 grants

On 08/07/13 14:03, Roger Pau Monne wrote:
> This series also includes a bug fix for the grant table free callback 
> implementation.

I think this should have been split out from this series.

> According to my tests, this series don't introduce any performance 
> regressions, results can be seen at:
> 
> http://xenbits.xen.org/people/royger/persistent_unmap/

The graphs do show performance differences (although they don't look
significant).  They are also lacking any error bars or any explanation
of what the tests were and what the test system was.

David
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