linux-kernel - Re: [RFC PATCH net-next 2/6] x86: bpf_jit_comp: support BPF_S_ANC_SECCOMP_LD

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Date:	Fri, 26 Apr 2013 11:40:06 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Xi Wang <xi.wang@...il.com>
Cc:	Daniel Borkmann <dborkman@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Russell King <linux@....linux.org.uk>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Will Drewry <wad@...omium.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH net-next 2/6] x86: bpf_jit_comp: support
 BPF_S_ANC_SECCOMP_LD_W instruction

On Fri, 2013-04-26 at 14:25 -0400, Xi Wang wrote:
> Not sure how many you are speaking for when you say "We are very dumb".  :)
> 
> Thanks for catching this.  I'l remove this arch thing in v2.
> 
> To address your other concern about registers, I'll add some comments
> to the code, something like:
> 
> "%rdi,%r8,%r9 are not used by seccomp filters; it's safe to not save them."

OK good

BTW, most of us prefer Bottom posting on lkml/netdev

 http://en.wikipedia.org/wiki/Posting_style#Bottom-posting

Thanks


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