netdev - Re: [PATCH bpf] sparc: Correct ctx->saw_frame

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Message-ID: <20181127015410.wgvu4ewsevpxuitt@ast-mbp.dhcp.thefacebook.com>
Date:   Mon, 26 Nov 2018 17:54:11 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     daniel@...earbox.net, ast@...nel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf] sparc: Correct ctx->saw_frame_pointer logic.

On Mon, Nov 26, 2018 at 02:52:18PM -0800, David Miller wrote:
> 
> We need to initialize the frame pointer register not just if it is
> seen as a source operand, but also if it is seen as the destination
> operand of a store or an atomic instruction (which effectively is a
> source operand).
> 
> This is exercised by test_verifier's "non-invalid fp arithmetic"
> 
> Signed-off-by: David S. Miller <davem@...emloft.net>

Applied to bpf tree. Thanks!