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Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Int
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU |
Date: |
Sat, 20 Feb 2016 11:05:32 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2016-02-19 10:29, Peter Xu wrote:
>> Would be helpful for more convenient import and experiments. E.g. I
>> could quickly through my test setup at them and tell you if they work
>> for it.
>
> I have put codes onto github for better reference:
>
> https://github.com/xzpeter/qemu/tree/vt-d-intr
Just a quick feedback: Interrupts of the root cell (the Linux that hands
over the control to the hypervisor) get stuck when starting Jailhouse.
What basically happens there is that Linux boots up with DMAR off but IR
on, then Jailhouse takes over, turning IR off for a moment, reconfigures
things so that it gains control, and then reenables IR (and also turns
on DMAR). After that, interrupts no longer arrive at that guest, which
is now L2.
Jan
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- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, (continued)
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Peter Xu, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Jan Kiszka, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Peter Xu, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Paolo Bonzini, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Jan Kiszka, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Peter Xu, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Jan Kiszka, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Peter Xu, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Jan Kiszka, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Radim Krčmář, 2016/02/19
- Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU,
Jan Kiszka <=
Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU, Radim Krčmář, 2016/02/19