linux-kernel - Re: [PATCH RT] crypto: limit more FPU-enabled sections

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]

Date:   Thu, 30 Nov 2017 15:30:29 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     linux-rt-users@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH RT] crypto: limit more FPU-enabled sections

On 2017-11-30 15:22:17 [+0100], To linux-rt-users@...r.kernel.org wrote:
> Probably we should meassure the performance those ciphers in pure SW
> mode and with this optimisations to see if it makes sense to keep them
> for RT.

This is only x86. We have the same fun with kernel_neon_begin() on the
arm/arm64 side…

Sebastian