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Message-ID: <20171101161210.55ekkcrkrsgltvx6@ast-mbp>
Date: Wed, 1 Nov 2017 09:12:11 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Jesper Dangaard Brouer <brouer@...hat.com>
Cc: netdev@...r.kernel.org
Subject: Re: [net-next PATCH] bpf: cpumap micro-optimization in
cpu_map_enqueue
On Wed, Nov 01, 2017 at 12:44:45PM +0100, Jesper Dangaard Brouer wrote:
> Discovered that the compiler laid-out asm code in suboptimal way
> when studying perf report during benchmarking of cpumap. Help
> the compiler by the marking unlikely code paths.
>
> Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>
Acked-by: Alexei Starovoitov <ast@...nel.org>
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