Re: [net-next PATCH] bpf: cpumap micro-optimization in cpu_map_enqueue
From: Alexei Starovoitov <hidden>
Date: 2017-11-01 16:12:12
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 <redacted>
Acked-by: Alexei Starovoitov <ast@kernel.org>