Re: [tip:perf/core] x86, tracing, perf: Add trace point for MSR accesses
From: Borislav Petkov
Date: Fri Dec 04 2015 - 17:48:49 EST
On Fri, Dec 04, 2015 at 02:35:38PM -0800, H. Peter Anvin wrote:
> How about this: it is easy too easy to hard code MSR accesses, and the
> last things we need is alien non-GPL drivers doing their own low-level
> hacks bypassing these facilities.
Yeah, that doesn't stop alien, non-GPL drivers from doing
asm("rdmsr ..)
Hell, they can even do naked byte opcodes " ...0f 32... "
But I see your point, thanks!
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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