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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html