| Subject | Re: [PATCH 1/7] x86/feature: Detect the x86 feature to control Speculation | From | David Woodhouse <> | Date | Fri, 05 Jan 2018 11:14:42 +0000 |
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On Thu, 2018-01-04 at 09:56 -0800, Tim Chen wrote: > cpuid ax=0x7, return rdx bit 26 to indicate presence of this feature > IA32_SPEC_CTRL (0x48) and IA32_PRED_CMD (0x49) > IA32_SPEC_CTRL, bit0 – Indirect Branch Restricted Speculation (IBRS) > IA32_PRED_CMD, bit0 – Indirect Branch Prediction Barrier (IBPB)
In a previous iteration of these patches, hadn't you already merged support for the AMD variant? Where'd that go?[unhandled content-type:application/x-pkcs7-signature] |