Re: [PATCH 01/10] arm/arm64: KVM: Fix ordering of timer/GIC on guest entry

2015-06-30 Thread Christoffer Dall
On Mon, Jun 08, 2015 at 06:03:56PM +0100, Marc Zyngier wrote: As we now inject the timer interrupt when we're about to enter the guest, it makes a lot more sense to make sure this happens before the vgic code queues the pending interrupts. Otherwise, we get the interrupt on the following

Re: [PATCH 01/10] arm/arm64: KVM: Fix ordering of timer/GIC on guest entry

2015-06-09 Thread Alex Bennée
Marc Zyngier marc.zyng...@arm.com writes: As we now inject the timer interrupt when we're about to enter the guest, it makes a lot more sense to make sure this happens before the vgic code queues the pending interrupts. Otherwise, we get the interrupt on the following exit, which is not

[PATCH 01/10] arm/arm64: KVM: Fix ordering of timer/GIC on guest entry

2015-06-08 Thread Marc Zyngier
As we now inject the timer interrupt when we're about to enter the guest, it makes a lot more sense to make sure this happens before the vgic code queues the pending interrupts. Otherwise, we get the interrupt on the following exit, which is not great for latency (and leads to all kind of bizarre