From: Alexander Graf <agraf@suse.de>
To: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Marc Zyngier <marc.zyngier@arm.com>,
kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/3] Support userspace irqchip with arch timers
Date: Thu, 29 Sep 2016 17:11:36 +0200 [thread overview]
Message-ID: <57ED2F28.1090100@suse.de> (raw)
In-Reply-To: <20160927190806.22988-1-christoffer.dall@linaro.org>
On 09/27/2016 09:08 PM, Christoffer Dall wrote:
> Hi Alex,
>
> Marc and I have been looking at this during Linaro connect and have
> slightly reworked your patch into this small series.
>
> It would be good if you could have a look at it and test it out.
Tested-by: Alexander Graf <agraf@suse.de>
Works fine so far :).
> I've tested it with your QEMU, and it works for UP, but secondary CPUs
> fail to come up, and it looks like the kernel never gets an IPI for
> those CPUs from userspace. Any chance you're willing to take a look at
> that?
I can try, but not very soon. I doubt it's something fundamental - we
probably just don't synchronize kvm/qemu state properly on IPIs (read: a
QEMU bug).
> Also, let me know if the split of your patch with preserving your
> authorship is ok with you.
Works for me :)
Alex
WARNING: multiple messages have this Message-ID (diff)
From: agraf@suse.de (Alexander Graf)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] Support userspace irqchip with arch timers
Date: Thu, 29 Sep 2016 17:11:36 +0200 [thread overview]
Message-ID: <57ED2F28.1090100@suse.de> (raw)
In-Reply-To: <20160927190806.22988-1-christoffer.dall@linaro.org>
On 09/27/2016 09:08 PM, Christoffer Dall wrote:
> Hi Alex,
>
> Marc and I have been looking at this during Linaro connect and have
> slightly reworked your patch into this small series.
>
> It would be good if you could have a look at it and test it out.
Tested-by: Alexander Graf <agraf@suse.de>
Works fine so far :).
> I've tested it with your QEMU, and it works for UP, but secondary CPUs
> fail to come up, and it looks like the kernel never gets an IPI for
> those CPUs from userspace. Any chance you're willing to take a look at
> that?
I can try, but not very soon. I doubt it's something fundamental - we
probably just don't synchronize kvm/qemu state properly on IPIs (read: a
QEMU bug).
> Also, let me know if the split of your patch with preserving your
> authorship is ok with you.
Works for me :)
Alex
next prev parent reply other threads:[~2016-09-29 15:11 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 19:08 [PATCH 0/3] Support userspace irqchip with arch timers Christoffer Dall
2016-09-27 19:08 ` Christoffer Dall
2016-09-27 19:08 ` [PATCH 1/3] KVM: arm/arm64: Cleanup the arch timer code's irqchip checking Christoffer Dall
2016-09-27 19:08 ` Christoffer Dall
2016-09-27 19:08 ` [PATCH 2/3] KVM: arm/arm64: Add ARM arch timer interrupts ABI Christoffer Dall
2016-09-27 19:08 ` Christoffer Dall
2016-11-01 11:26 ` Peter Maydell
2016-11-01 11:26 ` Peter Maydell
2016-11-01 14:50 ` Christoffer Dall
2016-11-01 14:50 ` Christoffer Dall
2016-11-01 14:54 ` Peter Maydell
2016-11-01 14:54 ` Peter Maydell
2016-11-01 15:32 ` Christoffer Dall
2016-11-01 15:32 ` Christoffer Dall
2016-11-01 16:56 ` Marc Zyngier
2016-11-01 16:56 ` Marc Zyngier
2016-11-01 16:56 ` Marc Zyngier
2016-09-27 19:08 ` [PATCH 3/3] KVM: arm/arm64: Support arch timers with a userspace gic Christoffer Dall
2016-09-27 19:08 ` Christoffer Dall
2016-09-29 15:11 ` Alexander Graf [this message]
2016-09-29 15:11 ` [PATCH 0/3] Support userspace irqchip with arch timers Alexander Graf
2016-09-30 14:54 ` Alexander Graf
2016-09-30 14:54 ` Alexander Graf
2016-09-30 15:38 ` Alexander Graf
2016-09-30 15:38 ` Alexander Graf
2016-09-30 15:43 ` Christoffer Dall
2016-09-30 15:43 ` Christoffer Dall
2016-09-30 15:55 ` Alexander Graf
2016-09-30 15:55 ` Alexander Graf
2016-09-30 19:31 ` Alexander Graf
2016-09-30 19:31 ` Alexander Graf
2016-10-28 14:38 ` Marc Zyngier
2016-10-28 14:38 ` Marc Zyngier
2016-10-28 15:52 ` Alexander Graf
2016-10-28 15:52 ` Alexander Graf
2016-10-28 15:57 ` Marc Zyngier
2016-10-28 15:57 ` Marc Zyngier
2016-10-28 20:25 ` Alexander Graf
2016-10-28 20:25 ` Alexander Graf
2016-10-29 13:19 ` Paolo Bonzini
2016-10-29 13:19 ` Paolo Bonzini
2016-10-29 18:55 ` Alexander Graf
2016-10-29 18:55 ` Alexander Graf
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