[PATCH 3/6] x86: Add support for the clwb instruction

Ross Zwisler ross.zwisler at linux.intel.com
Tue Nov 11 11:40:00 PST 2014


On Tue, 2014-11-11 at 20:19 +0100, Borislav Petkov wrote:
> On Tue, Nov 11, 2014 at 08:12:39PM +0100, Borislav Petkov wrote:
> > > +			 ".byte 0x66; xsaveopt %P0",
> > 
> > Huh, XSAVEOPT?!? Shouldn't that be CLWB??
> 
> Bah, the same opcodes, only 0x66 prefix makes it into CLWB. Could use a
> comment I guess.

Yep, it's weird, I know.  :)  I'll add a comment.

Thanks,
- Ross



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