Re: [PATCH v1 3/3] x86/bugs: Switch the selection of mitigation from CPU vendor to CPU features
From: Thomas Gleixner
Date: Fri Jun 15 2018 - 14:57:54 EST
On Tue, 12 Jun 2018, Tom Lendacky wrote:
> On 6/11/2018 9:01 AM, Konrad Rzeszutek Wilk wrote:
> >> I think you will have to keep the case statements and explicitly check for
> >> X86_FEATURE_AMD_SSBD before using SPEC_CTRL.
> > .. we could or alternatively add an extra check for X86_FEATURE_AMD_SSBD ?
> Whichever you feel is best, so long as we only use SPEC_CTRL for SSBD on
> AMD when X86_FEATURE_AMD_SSBD is present.
Is there anyone working on a fix or has this been forgotten?