netdev - Re: [PATCH V1 1/1] NET: add a bpf jit for Alpha

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Message-ID: <CAEdQ38FnZXLiPM4CtOhT5X9qj9jLt84x=NhcSSbGO1agSNc24w@mail.gmail.com>
Date:	Mon, 2 Apr 2012 16:43:17 -0400
From:	Matt Turner <mattst88@...il.com>
To:	Jan Seiffert <kaffeemonster@...glemail.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matt Evans <matt@...abs.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-arch@...r.kernel.org, linux-alpha@...r.kernel.org,
	rth@...hat.com
Subject: Re: [PATCH V1 1/1] NET: add a bpf jit for Alpha

On Mon, Apr 2, 2012 at 3:51 PM, Jan Seiffert
<kaffeemonster@...glemail.com> wrote:
> The weekend was cold and windy, so i wrote a bpf jit for the Alpha architecture.
>
> Signed-off-by: Jan Seiffert <kaffeemonster@...glemail.com>
>
> ---
>
> Patch is against net-next and needs Patch 1 of my "Fix negative offsets" Series
> (to get bpf_internal_load_pointer_neg_helper)
>
> The Problem is: i don't have any Alpha machine nor do i really have any clue about
> the arch.
> So this is only compile tested.
> I could really need some Alpha asm guru to give some advice and review this.
> Are the calls done right, are the asm load helper ok, all the conditional and
> sign handling is a little brittle in my mind, etc.

Very cool. I'll try to find some time soon to test this.

Thanks a lot!
Matt
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