linux-kernel - Re: [REGRESSION][PATCH V4 3/3] bpf jit: Let the powerpc jit handle negative offsets

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Date:	Mon, 30 Apr 2012 14:29:59 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	kaffeemonster@...glemail.com
Cc:	David Miller <davem@...emloft.net>, eric.dumazet@...il.com,
	matt@...abs.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [REGRESSION][PATCH V4 3/3] bpf jit: Let the powerpc jit handle
 negative offsets

On Mon, 2012-04-30 at 06:27 +0200, Jan Seiffert wrote:
> Benjamin Herrenschmidt schrieb:
> > On Mon, 2012-04-30 at 12:43 +1000, Benjamin Herrenschmidt wrote:
> > 
> >>> Matt's having a look at powerpc
> >>
> >> Ok, he hasn't so I'll dig a bit.
> >>
> >> No obvious wrongness (but I'm not very familiar with bpf), though I do
> >> have a comment: sk_negative_common() and bpf_slow_path_common() should
> >> be made one and single macro which takes the fallback function as an
> >> argument.
> > 
> > Ok, with the compile fix below it seems to work for me:
> > 
> > (Feel free to fold that into the original patch)
> > 
> 
> Should i resend the complete patch with the compile fix?

Won't hurt...

BTW. Any idea about that bpf_program vs. sock_fprog issue I mentioned
earlier ?

Cheers,
Ben.


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