FPU related cpuid checks shouldn't be Intel only
Right now we have a number of cpuid related checks that are checking for support for features like BMI, AVX2, etc. These are set to be Intel only, which should change since AMD also supports these features.To test this, I verified that we now detect the following instruction sets in a combination of isainfo and ::x86_featureset:
SMAP and SMEP are also coming along for the ride.
Updated by Electric Monk almost 2 years ago
- Status changed from New to Closed
commit 74ac317bda4d359a4ab9c3a0e6bbb6464e0225f1 Author: Robert Mustacchi <firstname.lastname@example.org> Date: 2018-09-19T15:16:49.000Z 9807 FPU related cpuid checks shouldn't be Intel only 9808 AMD EPYC doesn't need *save_ctxt FP exceptions Reviewed by: Jerry Jelinek <email@example.com> Reviewed by: John Levon <firstname.lastname@example.org> Reviewed by: Garrett D'Amore <email@example.com>