Messages in this thread | | | Subject | Re: [PATCH 1/4] x86/cpufeature: Add User-Mode Instruction Prevention definitions | From | Ricardo Neri <> | Date | Fri, 11 Nov 2016 17:24:05 -0800 |
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On Fri, 2016-11-11 at 11:22 +0100, Borislav Petkov wrote: > On Thu, Nov 10, 2016 at 08:08:07PM -0800, Ricardo Neri wrote: > > UMIP is enabled by setting a bit in CR4. If that bit is not supposed > > to be set, that could cause a #GP fault. > > Yeah, you do check CPUID first, AFAICT, so you should be ok...
Right. I missed this detail. Yes, there should not be a problem. > > -- > Regards/Gruss, > Boris. > > SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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