Re: [PATCH v6 3/3] x86/bugs: Add 'spectre_bhi=vmexit' cmdline option
From: Borislav Petkov
Date: Fri Jun 28 2024 - 05:41:15 EST
On Tue, Jun 25, 2024 at 11:02:02PM -0700, Josh Poimboeuf wrote:
> - /* Mitigate KVM by default */
> - setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT);
> - pr_info("Spectre BHI mitigation: SW BHB clearing on vm exit\n");
> + if (bhi_mitigation == BHI_MITIGATION_VMEXIT_ONLY) {
> + pr_info("Spectre BHI mitigation: SW BHB clearing on vm exit only\n");
"... VM exit... "
I'll touch up when applying.
--
Regards/Gruss,
Boris.
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