linux-kernel - Re: [PATCH 3/3] x86, AMD: Disable wrongly set X86_FEATURE_LAHF

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Message-ID: <20090831081426.GA2876@liondog.tnic>
Date:	Mon, 31 Aug 2009 10:14:26 +0200
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	kjwinchester@...il.com, tglx@...utronix.de,
	borislav.petkov@....com, linux-tip-commits@...r.kernel.org
Subject: Re: [PATCH 3/3] x86, AMD: Disable wrongly set X86_FEATURE_LAHF_LM
 CPUID bit

On Sun, Aug 30, 2009 at 01:48:49PM -0700, H. Peter Anvin wrote:
> The 2x32 bit interface is the legacy interface.  It turned out to be a
> bad idea, but it's hard to clean up all the users.

By the way, do we want to switch all rd/wrmsr users to the rd/wrmsrl et
al interfaces? I could do that gradually - there are only about 400+
callsites :)

-- 
Regards/Gruss,
    Boris.
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