Hi Marc, On 2021/5/14 18:40, Marc Zyngier wrote:
We recently moved anything related to PC updates into the guest entry code to help with the protected KVM effort. However, I missed a critical point: userspace needs to be able to observe state changes when the vcpu exits. Otherwise, live migration is a bit broken and vcpu reset can fail (as reported by Zenghui). Not good. These two patches aim at fixing the above, and carry a Cc stable. * From v1: - Sanitized flag checking - Added comment about relying on __kvm_adjust_pc() being preempt-safe
I had a try but failed to find the added comment ;-). Regardless, Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx> Tested-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>
