linux-kernel - Re: [Xen-devel] [PATCH v4 18/20] net/xen-netback: Make it running on 64KB page granularity

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Message-ID: <20150908110933.GB12714@zion.uk.xensource.com>
Date:	Tue, 8 Sep 2015 12:09:33 +0100
From:	Wei Liu <wei.liu2@...rix.com>
To:	Julien Grall <julien.grall@...rix.com>
CC:	Wei Liu <wei.liu2@...rix.com>, <ian.campbell@...rix.com>,
	<stefano.stabellini@...citrix.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Xen-devel] [PATCH v4 18/20] net/xen-netback: Make it running on
 64KB page granularity

On Tue, Sep 08, 2015 at 12:07:31PM +0100, Julien Grall wrote:
> Hi Wei,
> 
> On 07/09/15 17:57, Wei Liu wrote:
> > You might need to rebase you patch. A patch to netback went it recently.
> 
> Do you mean 210c34dcd8d912dcc740f1f17625a7293af5cb56 "xen-netback: add
> support for multicast control"?
> 

Yes, that one.

> If so I didn't see any specific issue while rebasing on the latest
> linus' master.
> 

Good.

> > On Mon, Sep 07, 2015 at 04:33:56PM +0100, Julien Grall wrote:
> >> The PV network protocol is using 4KB page granularity. The goal of this
> >> patch is to allow a Linux using 64KB page granularity working as a
> >> network backend on a non-modified Xen.
> >>
> >> It's only necessary to adapt the ring size and break skb data in small
> >> chunk of 4KB. The rest of the code is relying on the grant table code.
> >>
> >> Signed-off-by: Julien Grall <julien.grall@...rix.com>
> >>
> > 
> > Reviewed-by: Wei Liu <wei.liu2@...rix.com>
> 
> Thank you!
> 
> Regards,
> 
> -- 
> Julien Grall
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