linux-kernel - Re: [RFC] Improve memset

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Message-ID: <20190914113941.GB28054@zn.tnic>
Date:   Sat, 14 Sep 2019 13:39:41 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org, x86@...nel.org,
        linux@...musvillemoes.dk, torvalds@...ux-foundation.org
Subject: Re: [RFC] Improve memset

On Sat, Sep 14, 2019 at 12:29:15PM +0300, Alexey Dobriyan wrote:
> eh... I'd just drop it. These registers screw up everything.

The intent is to not touch memset_orig and let it die with its users. It
is irrelevant now anyway.

If it can be shown that the extended list of clobbered registers hurt
performance, then we can improve it for the sake of keeping register
pressure low.

Thx.

-- 
Regards/Gruss,
    Boris.

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