lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
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>

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ