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Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastr
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure |
Date: |
Wed, 16 May 2012 11:20:16 +1000 |
On Tue, 2012-05-15 at 19:54 -0500, Anthony Liguori wrote:
>
> You certainly could do that but it may get a little weird dealing with the
> return path. You'd have to return something like -EWOULDBLOCK and make sure
> you
> handle that in the dispatch code appropriately.
Hrm, our implementation of kvm_arch_handle_exit() always return "1"
after a hypercall, forcing kvm_cpu_exec() to return back to the thread
loop, so we should be ok to just set env->halted and return no ?
Cheers,
Ben.
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, (continued)
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Benjamin Herrenschmidt, 2012/05/14
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/14
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Benjamin Herrenschmidt, 2012/05/14
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Benjamin Herrenschmidt, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Benjamin Herrenschmidt, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Benjamin Herrenschmidt, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/15
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] [PATCH 08/13] iommu: Introduce IOMMU emulation infrastructure, Anthony Liguori, 2012/05/16
[Qemu-devel] [PATCH 12/13] pseries: Implement IOMMU and DMA for PAPR PCI devices, Benjamin Herrenschmidt, 2012/05/10
[Qemu-devel] [PATCH 10/13] pseries: Convert sPAPR TCEs to use generic IOMMU infrastructure, Benjamin Herrenschmidt, 2012/05/10
[Qemu-devel] [PATCH 11/13] iommu: Allow PCI to use IOMMU infrastructure, Benjamin Herrenschmidt, 2012/05/10
[Qemu-devel] [PATCH 13/13] iommu: Add a memory barrier to DMA RW function, Benjamin Herrenschmidt, 2012/05/10