linux-kernel - Re: [PATCH] [5/7] Readd rdmsrl

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Message-ID: <20080321171636.GE2346@one.firstfloor.org>
Date:	Fri, 21 Mar 2008 18:16:36 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andi Kleen <andi@...stfloor.org>, andreas.herrmann3@....com,
	mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [5/7] Readd rdmsrl_safe

On Fri, Mar 21, 2008 at 06:06:13PM +0100, Thomas Gleixner wrote:
> On Wed, 12 Mar 2008, Andi Kleen wrote:
> > RDMSR for 64bit values with exception handling.
> > 
> > Makes it easier to deal with 64bit valued MSRs. The old 64bit code
> > base had that too as checking_rdmsrl(), but it got dropped somehow. 
> 
> Yup, no users.
> 
> > +#define rdmsrl_safe(msr,p) \
> > +	({ int __err; *(p) = native_read_msr_safe(msr, &__err); __err; })
> > +
> 
> static inline please

Well all of paravirt.h uses macros. I did the same for consistency. If you want 
inlines it would be better to just convert it all in one go (but please only
after this patch was applied)

-Andi
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