Re: [Xen-devel] [PATCH 1/2] x86/svm: Add SVME checking for SVM intercepts

2017-12-22 Thread Brian Woods
On Thu, Dec 21, 2017 at 11:52:27PM -0500, Boris Ostrovsky wrote: > s/it/is Oopsy, thank you. > I haven't checked all of them but at least for the first two > (svm_vmexit_do_vmrun() and smv_vmexit_do_vmload()) we check EFER and > print a similar error message. So it seems they can be handled in

Re: [Xen-devel] [PATCH 1/2] x86/svm: Add SVME checking for SVM intercepts

2017-12-21 Thread Boris Ostrovsky
On 12/21/2017 10:26 AM, Brian Woods wrote: > Checks the hvm EFER.SVME bit to make sure the EFER.SVME bit it high s/it/is > before allowing nested SVM intercepts to be handled successfully. On > SVME being low, it generates a #UD as per the AMD APM vol2 15.4. > > Reported-by: Andrew Cooper