Messages in this thread | | | Date | Fri, 19 Apr 2013 22:55:15 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86: Add check for P5 to microcode_intel_early |
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On Fri, Apr 19, 2013 at 09:35:18PM +0100, Bryan O'Donoghue wrote: > Just returning X86_VENDOR_UNKNOWN - won't fix the bug though - after > all MSR_IA32_UCODE_REV is also x86_family() >= 6
What are you talking about?
If you return X86_VENDOR_UNKNOWN from x86_vendor(), load_ucode_intel_bsp() and load_ucode_intel_ap() won't be called and no non-existing MSRs will be accessed.
Just filter out P5 and earlier. The code already does that for CPUs which don't have CPUID.
-- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
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