Re: [PATCH 2/2] x86/barrier: Do not serialize MSR accesses on AMD
From: Borislav Petkov
Date: Fri Oct 27 2023 - 15:29:24 EST
On Fri, Oct 27, 2023 at 09:16:33PM +0200, Borislav Petkov wrote:
> Thus the more conservative approach here.
And on a second thought, I don't need any of that new stuff - I simply
need a synthetic flag which says "MSRs need fencing" and set it on
everything but AMD and Hygon. And we've solved this type of issue
gazillion times already - why am I reinventing the wheel?!
:-\
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette