On Mon, Aug 12, 2019 at 03:07:05PM +1000, Paul Mackerras wrote:
> lbz r5, VCPU_XIVE_ESC_ON(r9)
> cmpwi r5, 0
> - beq 1f
> + beq 4f
> li r0, 0
> stb r0, VCPU_CEDED(r9)
> + li r6, XIVE_ESB_SET_PQ_10
> + b 1f
> +4: li r0
Escalation interrupts are interrupts sent to the host by the XIVE
hardware when it has an interrupt to deliver to a guest VCPU but that
VCPU is not running anywhere in the system. Hence we disable the
escalation interrupt for the VCPU being run when we enter the guest
and re-enable it when the gue
