netdev - Re: [Xen-devel] [PATCH net-next V3 2/3] xen-netfront: split event channels support for Xen frontend driver

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Message-ID: <CAOsiSVXptBRRA=m3HFnO7eQWjxN_wgfzAcvw+rPebOPH9mRjXg@mail.gmail.com>
Date:	Wed, 22 May 2013 21:20:37 +0100
From:	Wei Liu <liuw@...w.name>
To:	annie li <annie.li@...cle.com>
Cc:	Wei Liu <wei.liu2@...rix.com>,
	Ian Campbell <ian.campbell@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"xen-devel@...ts.xen.org" <xen-devel@...ts.xen.org>,
	David Vrabel <david.vrabel@...rix.com>, jbeulich@...e.com
Subject: Re: [Xen-devel] [PATCH net-next V3 2/3] xen-netfront: split event
 channels support for Xen frontend driver

On Wed, May 22, 2013 at 8:32 PM, annie li <annie.li@...cle.com> wrote:
>
>
> Originally, netfront protects access to rx shared-ring with tx_lock, you
> remove this protection here. It is better to protect the ring access by a
> sperate rx_lock then.
>

TX ring and RX ring are separate rings. I don't think that comment / code
makes sense any more. My stress test confirms that.


Wei.

> Thanks
> Annie
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@...ts.xen.org
> http://lists.xen.org/xen-devel
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