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From: mgherzan@gmail.com (Mircea Gherzan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] ARM: net: JIT compiler for packet filters
Date: Wed, 28 Dec 2011 16:51:34 +0100	[thread overview]
Message-ID: <4EFB3B06.1090203@gmail.com> (raw)
In-Reply-To: <20111220.135526.82432216865290827.davem@davemloft.net>

Am 20.12.2011 19:55, schrieb David Miller:
> From: Mircea Gherzan<mgherzan@gmail.com>
> Date: Tue, 20 Dec 2011 19:04:23 +0100
>
>> Based of Matt Evans's PPC64 implementation.
>>
>> The compiler generates ARM instructions but interworking is
>> supported for Thumb2 kernels.
>>
>> Supports both little and big endian. Unaligned loads are emitted
>> for ARMv6+. Not all the BPF opcodes that deal with ancillary data
>> are supported. The scratch memory of the filter lives on the stack.
>> Hardware integer division is used if it is available.
>>
>> Enabled in the same way as for x86-64 and PPC64:
>>
>> 	echo 1>  /proc/sys/net/core/bpf_jit_enable
>>
>> A value greater than 1 enables opcode output.
>>
>> Signed-off-by: Mircea Gherzan<mgherzan@gmail.com>
>
> I'm happy with this going in via the ARM tree once all the details
> are worked out:

I do not really care that much about the tree where this is going, as 
long as it gets into 3.3 :) If you want to take it via the -net tree, 
please synchronize with Russell (I've uploaded the patch to his tracking 
system [1]).

Thanks,
Mircea

[1] http://www.arm.linux.org.uk/developer/patche/viewpatch.php?id=7259/1

> Acked-by: David S. Miller<davem@davemloft.net>

  reply	other threads:[~2011-12-28 15:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-20 18:04 [PATCH v3] ARM: net: JIT compiler for packet filters Mircea Gherzan
2011-12-20 18:55 ` David Miller
2011-12-28 15:51   ` Mircea Gherzan [this message]
2011-12-28 18:41     ` David Miller

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