Re: [Xen-devel] [PATCH 0/4] Implement persistent grant in xen-netfront/netback

From: ANNIE LI <annie.li@oracle.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"konrad.wilk@oracle.com" <konrad.wilk@oracle.com>
Subject: Re: [Xen-devel] [PATCH 0/4] Implement persistent grant in xen-netfront/netback
Date: Thu, 15 Nov 2012 19:14:59 +0800	[thread overview]
Message-ID: <50A4CEB3.1050709@oracle.com> (raw)
In-Reply-To: <1352969771.3499.34.camel@zakaz.uk.xensource.com>


On 2012-11-15 16:56, Ian Campbell wrote:
> On Thu, 2012-11-15 at 07:03 +0000, Annie Li wrote:
>
>> This patch implements persistent grants for xen-netfront/netback. This
>> mechanism maintains page pools in netback/netfront, these page pools
>> is used to save grant pages which are mapped. This way improve
>> performance which is wasted when doing grant operations.
> Please can you send a patch against xen-unstable.hg to document this new
> protocol variant in xen/include/public/io/netif.h. This header is a bit
> under-documented but lets not let it fall further behind (if you want to
> go further and document the existing features, in the style of the
> current blkif.h, then that would be awesome!).
Ok, no problem.
>
> You may also want to provide a similar patch to Linux's copy which is in
> linux/include/xen/interface/io/netif.h
Ok, will do that.

Thanks
Annie
>
> Ian.
>
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