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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/2] arm/arm64: KVM: Fix arthictected timer issues
Date: Fri, 04 Sep 2015 16:35:20 +0100	[thread overview]
Message-ID: <55E9BA38.7030305@arm.com> (raw)
In-Reply-To: <1441376679-8341-1-git-send-email-christoffer.dall@linaro.org>

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...

  parent reply	other threads:[~2015-09-04 15:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-04 14:24 [PATCH 0/2] arm/arm64: KVM: Fix arthictected timer issues Christoffer Dall
2015-09-04 14:24 ` [PATCH 1/2] arm/arm64: KVM: vgic: Move active state handling to flush_hwstate Christoffer Dall
2015-09-07 14:44   ` Eric Auger
2015-09-07 15:46     ` Eric Auger
2015-09-07 15:54     ` Marc Zyngier
2015-09-04 14:24 ` [PATCH 2/2] arm/arm64: KVM: arch timer: Reset CNTV_CTL to 0 Christoffer Dall
2015-09-04 14:47   ` Christoffer Dall
2015-09-04 14:51     ` Marc Zyngier
2015-09-04 15:35 ` Marc Zyngier [this message]
2015-09-04 15:53   ` [PATCH 0/2] arm/arm64: KVM: Fix arthictected timer issues Christoffer Dall

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