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From: Andi Kleen <andi@firstfloor.org>
To: Mike Frysinger <vapier@gentoo.org>
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: asm-x86/msr.h for sanitized headers: clean it or punt it
Date: Mon, 31 Dec 2007 13:26:46 +0100	[thread overview]
Message-ID: <p73sl1jyrqx.fsf@bingen.suse.de> (raw)
In-Reply-To: <200712310045.24069.vapier@gentoo.org> (Mike Frysinger's message of "Mon\, 31 Dec 2007 00\:45\:23 -0500")

Mike Frysinger <vapier@gentoo.org> writes:

> The current asm-x86/msr.h does not actually define anything for (!__KERNEL__
> && __i386__).  For x86_64, it fails to build due to u32/u64 types being used.
> Simply not installing the header seems easiest to me.  Otherwise, x86_64 will
> need sanitizing and i386 should have things added back, otherwise it's just a
> pointless empty header.

Please don't -- asm/msr.h is very useful in user space for rdtscll et.al.
I use it all the time in test programs.

-Andi

  parent reply	other threads:[~2007-12-31 12:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-31  5:45 asm-x86/msr.h for sanitized headers: clean it or punt it Mike Frysinger
2007-12-31  5:51 ` H. Peter Anvin
2007-12-31 12:26 ` Andi Kleen [this message]
2007-12-31 15:33   ` Mike Frysinger
2007-12-31 16:36     ` Andi Kleen
2007-12-31 18:10       ` Mike Frysinger
2007-12-31 18:15         ` H. Peter Anvin
2007-12-31 18:49           ` Mike Frysinger
2008-01-01 15:47             ` Ingo Molnar
2008-01-02  1:20             ` Adrian Bunk

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