linux-kernel - Re: [PATCH V4 2/2] arm64: bpf: make BPF prologue and epilogue align with ARM64 AAPCS

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Message-Id: <20151117.115144.1827467904902947864.davem@davemloft.net>
Date:	Tue, 17 Nov 2015 11:51:44 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	alexei.starovoitov@...il.com
Cc:	zlim.lnx@...il.com, yang.shi@...aro.org, ast@...nel.org,
	daniel@...earbox.net, catalin.marinas@....com, will.deacon@....com,
	xi.wang@...il.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH V4 2/2] arm64: bpf: make BPF prologue and epilogue
 align with ARM64 AAPCS

From: Alexei Starovoitov <alexei.starovoitov@...il.com>
Date: Mon, 16 Nov 2015 20:41:46 -0800

> On Mon, Nov 16, 2015 at 08:37:11PM -0800, Z Lim wrote:
>> On Mon, Nov 16, 2015 at 2:35 PM, Yang Shi <yang.shi@...aro.org> wrote:
>> > Save and restore FP/LR in BPF prog prologue and epilogue, save SP to FP
>> > in prologue in order to get the correct stack backtrace.
> ...
>> > CC: Zi Shen Lim <zlim.lnx@...il.com>
>> > CC: Xi Wang <xi.wang@...il.com>
>> > Signed-off-by: Yang Shi <yang.shi@...aro.org>
>> 
>> Acked-by: Zi Shen Lim <zlim.lnx@...il.com>
> 
> great that it's finalized.
> Yang, please resubmit both patches to netdev as fresh submission so it
> gets picked up by patchwork.

He doesn't need to, I applied patch #1 independently the other day while
the details of #2 were being worked out.
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