netdev - Re: [net-next PATCH] bpf: cpumap micro-optimization in cpu_map

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Message-Id: <20171102.161435.1119634915876878060.davem@davemloft.net>
Date:   Thu, 02 Nov 2017 16:14:35 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     brouer@...hat.com
Cc:     netdev@...r.kernel.org
Subject: Re: [net-next PATCH] bpf: cpumap micro-optimization in
 cpu_map_enqueue

From: Jesper Dangaard Brouer <brouer@...hat.com>
Date: Wed, 01 Nov 2017 12:44:45 +0100

> 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>

Applied, thanks Jesper.