On 17/05/21 15:54, Dave Hansen wrote:
On 5/13/21 10:11 PM, Andy Lutomirski wrote:I don't even want to think about what happens if a perf NMI hits and accesses host user memory while the guest PKRU is live (on VMX -- I think this can't happen on SVM).What's the relevant difference between SVM and VMX here? I'm missing something.
SVM has the global interrupt flag that blocks NMIs and SMIs, and PKRU is loaded while GIF=0.
Paolo
