Messages in this thread | | | Date | Thu, 4 Jan 2018 19:50:33 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 7/7] x86/microcode: Recheck IBRS features on microcode reload |
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On Thu, Jan 04, 2018 at 07:34:30PM +0100, Andrea Arcangeli wrote: > void spec_ctrl_rescan_cpuid(void) > { > int cpu; > > if (use_ibp_disable) > return; > mutex_lock(&spec_ctrl_mutex); > if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL || > boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { > /* detect spec ctrl related cpuid additions */ > init_scattered_cpuid_features(&boot_cpu_data);
You don't need to noodle through all the scattered features - just the two bits.
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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