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

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Message-ID: <20171130143028.GA1351@linutronix.de>
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