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Subject: Re: [PATCH v2 1/2] x86/msr: Carry on after a non-"safe" MSR access
 fails without !panic_on_oops
To: Linus Torvalds <torvalds@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>
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Cc: Andy Lutomirski <luto@amacapital.net>,
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From: "H. Peter Anvin" <hpa@zytor.com>
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Date: Wed, 30 Sep 2015 11:32:00 -0700
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On 09/21/2015 09:36 AM, Linus Torvalds wrote:
> 
> How many msr reads are <i>so</i> critical that the function call
> overhead would matter? Get rid of the inline version of the _safe()
> thing too, and put that thing there too.
> 

Probably only the ones that may go in the context switch path.

	-hpa