linux-kernel - Re: [PATCH 0/6] MIPS/BPF fixes for 4.3

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Date:	Fri, 5 Jun 2015 09:26:51 +0100
From:	Markos Chandras <Markos.Chandras@...tec.com>
To:	Alexei Starovoitov <ast@...mgrid.com>, <linux-mips@...ux-mips.org>
CC:	<netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>,
	"Daniel Borkmann" <dborkman@...hat.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/6] MIPS/BPF fixes for 4.3

On 06/04/2015 05:49 PM, Alexei Starovoitov wrote:
> On 6/4/15 3:56 AM, Markos Chandras wrote:
>> Here are some fixes for MIPS/BPF. The first 5 patches do some cleanup
>> and lay the groundwork for the final one which introduces assembly
>> helpers
>> for MIPS and MIPS64. The goal is to speed up certain operations that do
>> not need to go through the common C functions. This also makes the
>> test_bpf
>> testsuite happy with all 60 tests passing. This is based in 4.1-rc6.
> 
> looks like these patches actually fix two real bugs, right?
> If so, I think you probably want them in 'net' tree ?

I was thinking to have them in the MIPS tree to be honest. The original
MIPS/BPF went via the MIPS tree as well. It also makes it easier for me
to work with Ralf on minor fixes, merge conflicts etc.

> 
> Different arch maintainers take different stance towards bpf jit
> changes. x86, arm and s390 are ok with them going through Dave's trees,
> since often there are dependencies on bpf core parts.
> So please state clearly what tree you want these patches to go in.
> 
> btw, in the net-next tree bpf testsuite has 246 tests and the last
> ten are very stressful for JITs.

Interesting. Thanks. I will rebase my tree shortly after 4.2-rc1 then
and run the testsuite again. I will post a v2 if I spot more problems
with it.

-- 
markos
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