Re: [PATCH] x86: static_cpu_has_safe: discard dynamic check after init

[H. Peter Anvin]

On 01/21/16 14:56, Borislav Petkov wrote:
> 
> so this is silly: we're basically jumping after the JMP instruction
> itself. So that will be the case on !X86_BUG_SYSRET_SS_ATTRS CPUs.
> Still a two-byte and now even a useless JMP.
> 
> The right thing to do would be to generate a NOP simply.
> 

OK, so gcc isn't as clever as I thought.

	-hpa