Messages in this thread | | | Date | Tue, 1 May 2018 14:59:39 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [v4.17-rcx] Lost IBPB, IBRS_FW support for spectre_v2 mitigation. |
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On Tue, 1 May 2018, Jörg Otte wrote: > 2018-04-30 21:53 GMT+02:00 Thomas Gleixner <tglx@linutronix.de>: > > --- a/arch/x86/kernel/cpu/common.c > > +++ b/arch/x86/kernel/cpu/common.c > > @@ -848,6 +848,11 @@ void get_cpu_cap(struct cpuinfo_x86 *c) > > c->x86_power = edx; > > } > > > > + if (c->extended_cpuid_level >= 0x80000008) { > > + cpuid(0x80000008, &eax, &ebx, &ecx, &edx); > > + c->x86_capability[CPUID_8000_0008_EBX] = ebx; > > + } > > + > > if (c->extended_cpuid_level >= 0x8000000a) > > c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a); > > > > No, does not fix it.
Then I really have no idea how reverting the patch you pointed out would fix it.
Thanks,
tglx | |