[virtio-dev] Re: virtio-iommu hotplug issue

2023-04-13 Thread Akihiko Odaki
On 2023/04/13 19:40, Jean-Philippe Brucker wrote: Hello, On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: Hi, Recently I encountered a problem with the combination of Linux's virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled. I'd like to ask you

[virtio-dev] Re: virtio-iommu hotplug issue

2023-04-13 Thread Akihiko Odaki
On 2023/04/13 22:39, Eric Auger wrote: Hi, On 4/13/23 13:01, Akihiko Odaki wrote: On 2023/04/13 19:40, Jean-Philippe Brucker wrote: Hello, On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: Hi, Recently I encountered a problem with the combination of Linux's virtio-iommu d

[virtio-dev] Re: [PATCH 4/4] virtio-iommu: Clarify hot-unplug behavior

2023-08-03 Thread Akihiko Odaki
mu/virtio-iommu.c?id=809d0810e3520da669d231303608cdf5fe5c1a70 [1] https://lore.kernel.org/all/15bf1b00-3aa0-973a-3a86-3fa5c4d41...@daynix.com/ Reported-by: Akihiko Odaki Signed-off-by: Jean-Philippe Brucker --- device-types/iommu/description.tex | 5 + 1 file changed, 5 insertions(+)

[virtio-dev] Re: [PATCH 4/4] virtio-iommu: Clarify hot-unplug behavior

2023-08-10 Thread Akihiko Odaki
On 2023/08/11 0:10, Jean-Philippe Brucker wrote: On Fri, Aug 04, 2023 at 03:19:27PM +0900, Akihiko Odaki wrote: On 2023/08/04 0:32, Jean-Philippe Brucker wrote: Since it is not obvious what the virtio-iommu device or driver should do when an endpoint is removed [1], add some guidance in the

[virtio-dev] Re: [PATCH 4/4] virtio-iommu: Clarify hot-unplug behavior

2023-08-11 Thread Akihiko Odaki
On 2023/08/11 23:20, Jean-Philippe Brucker wrote: On Fri, Aug 11, 2023 at 07:21:29AM +0900, Akihiko Odaki wrote: On 2023/08/11 0:10, Jean-Philippe Brucker wrote: On Fri, Aug 04, 2023 at 03:19:27PM +0900, Akihiko Odaki wrote: On 2023/08/04 0:32, Jean-Philippe Brucker wrote: Since it is not

[virtio-dev] Re: [PATCH 4/4] virtio-iommu: Clarify hot-unplug behavior

2023-08-31 Thread Akihiko Odaki
On 2023/08/14 20:25, Jean-Philippe Brucker wrote: On Sat, Aug 12, 2023 at 03:25:10PM +0900, Akihiko Odaki wrote: By the way, crosvm's logic to detach endpoint on removal looks incorrect for me. A domain may have several endpoints attached, but the code looks like it's always destroyin