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

From: H. Peter Anvin
Date: Tue Jan 19 2016 - 23:04:22 EST


On 01/19/16 05:57, Borislav Petkov wrote:
>
> old insn VA: 0xffffffff8108c0d0, CPU feat: X86_BUG_SYSRET_SS_ATTRS, size: 2, padlen: 0
> __switch_to:
> ffffffff8108c0d0: eb 70 jmp ffffffff8108c142
> repl insn: 0xffffffff8ca7a1a7, size: 0
>

This is the only one I could possibly imagine mattering. Would it be
possible to get the disassembly here?

-hpa