Re: [PATCH v1 2/3] x86/msr: Switch between WRMSRNS and WRMSR with the alternatives mechanism

[H. Peter Anvin]

On 8/17/24 22:49, Borislav Petkov wrote:
> On Sat, Aug 17, 2024 at 12:22:22PM -0700, H. Peter Anvin wrote:
> > The padding avoids unnecessary NOPs.
>
> And a NOP vs some other prefix to have one less insn matters practically
> how exactly here?

Pretty much nothing, but it is zero cost and possibly some insanely 
small gain.

	-hpa