linux-kernel - Re: [PATCH] x86: branchless clear

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Message-ID: <20160822210606.GA10044@nazgul.tnic>
Date:   Mon, 22 Aug 2016 23:06:06 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: branchless clear_page()

On Mon, Aug 22, 2016 at 11:52:29PM +0300, Alexey Dobriyan wrote:
> Apply alternatives at the call site instead of function body.
> Save branch per clean page.

Any size increase to an allyesconfig vmlinux and increase to
alternatives application time?

Booting with "debug-alternative" should help.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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