[PATCH v2] x86/bugs: Explicitly clear speculative MSR bits
Borislav Petkov
bp at alien8.de
Mon Nov 28 15:34:50 PST 2022
On Mon, Nov 28, 2022 at 03:02:19PM -0800, Pawan Gupta wrote:
> Yes thats a cleaner approach, except that the late microcode load will
> ruin the MSR:
>
> microcode_reload_late()
> microcode_check()
> get_cpu_cap()
> init_speculation_control()
Microcode late loading ruins a lot of crap already anyway.
Then I guess we'll have to look for a better place for this on the init
path - I don't want any more hackery in the hw vuln nightmare code.
--
Regards/Gruss,
Boris.
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