Re: [PATCH v2 4/5] x86/bugs: Add attack vector controls for SSB

From: Borislav Petkov
Date: Wed Aug 27 2025 - 06:28:29 EST


On Wed, Aug 20, 2025 at 11:17:23PM -0700, Pawan Gupta wrote:
> On Tue, Aug 19, 2025 at 02:21:59PM -0500, David Kaplan wrote:
> > @@ -2646,11 +2650,18 @@ early_param("spec_store_bypass_disable", ssb_parse_cmdline);
> >
> > static void __init ssb_select_mitigation(void)
> > {
> > - if (!boot_cpu_has_bug(X86_BUG_SPEC_STORE_BYPASS) || cpu_mitigations_off()) {
> > + if (!boot_cpu_has_bug(X86_BUG_SPEC_STORE_BYPASS)) {
>
> Nothing major, but this change belongs to the next patch that cleans up
> cpu_mitigations_off().

Fixed and expediting this one so that 6.17 releases with the full attack
vectors functionality.

Thx.

--
Regards/Gruss,
Boris.

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