netdev - Re: [PATCH net-next] skbuff: clear tx zero-copy flag

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Message-ID: <20110725004200.GA25794@gondor.apana.org.au>
Date:	Mon, 25 Jul 2011 08:42:00 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Shirley Ma <mashirle@...ibm.com>
Cc:	davem@...emloft.net, mst@...hat.com, netdev@...r.kernel.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] skbuff: clear tx zero-copy flag

Shirley Ma <mashirle@...ibm.com> wrote:
> 
> This patch clears tx zero-copy flag as needed.
> 
> Sign-off-by: Shirley Ma <xma@...ibm.com>

I think we also need to copy and clear this flag on the splice
read path as that takes a direct page reference.

I hope there isn't any other path that does this.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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