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

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Message-ID: <20151117044145.GA71069@ast-mbp.thefacebook.com>
Date:	Mon, 16 Nov 2015 20:41:46 -0800
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	Z Lim <zlim.lnx@...il.com>
Cc:	Yang Shi <yang.shi@...aro.org>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Xi Wang <xi.wang@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.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

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.

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