[PATCH 0/2] arm/arm64: KVM: Fix arthictected timer issues

Marc Zyngier marc.zyngier at arm.com
Fri Sep 4 08:35:20 PDT 2015


Hi Christoffer,

On 04/09/15 15:24, Christoffer Dall wrote:
> These two patches fix two separate issues with the architected timer and
> the corresponding interrupt injection to VMs on KVM/ARM.
> 
> The first patch fixes an issue introduced with the active timer state
> switching series recently merged for v4.3, which could cause a guest to
> loop without progress if another VCPU is run on the same physical CPU
> and preempts the original VCPU while the guest is running the ISR for
> the timer interrupt.
> 
> The second patch resets the architected timer's control register to zero
> on system reset, ensuring that interrupts are not injected when a system
> resets.  This fixes a long-standing issue with UEFI, where soft reset
> initiated from within UEFI prevented the system from booting again.

Thanks for respinning these patches. I've queued them in our -next
queue. I'll send this to Paolo some time next week, once they get some
hammering.

	M.
-- 
Jazz is not dead. It just smells funny...



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