[PATCH 01/10] arm/arm64: KVM: Fix ordering of timer/GIC on guest entry
christoffer.dall at linaro.org
Tue Jun 30 13:19:11 PDT 2015
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 exit, which is
> not great for latency (and leads to all kind of bizarre issues
> when using with active interrupts at the HW level).
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall at linaro.org>
More information about the linux-arm-kernel