Re: Should SEV-ES #VC use IST? (Re: [PATCH] Allow RDTSC and RDTSCP from userspace)
From: Dave Hansen <hidden>
Date: 2020-06-23 16:04:04
Also in:
kvm, lkml
From: Dave Hansen <hidden>
Date: 2020-06-23 16:04:04
Also in:
kvm, lkml
On 6/23/20 8:52 AM, Peter Zijlstra wrote:
Isn't current #MC unconditionally fatal from kernel? But yes, I was sorta aware people want that changed.
Not unconditionally. copy_to_iter_mcsafe() is a good example of one thing we _can_ handle.