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

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Message-ID: <alpine.LFD.1.00.0803211857030.3781@apollo.tec.linutronix.de>
Date:	Fri, 21 Mar 2008 18:58:08 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andi Kleen <andi@...stfloor.org>
cc:	andreas.herrmann3@....com, mingo@...e.hu,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [5/7] Readd rdmsrl_safe

On Fri, 21 Mar 2008, Andi Kleen wrote:

> 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.

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)

Of course. We don't want to burden work on your shoulders.

Thanks

	tglx
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