Hello,
On Mon, Apr 15, 2024 at 04:18:23PM +0800, flyingpeng...@gmail.com wrote:
> From: Peng Hao
>
> If the probe types processed by the loop are all unknown,
> no error will be returned.
>
> Signed-off-by: Peng Hao
> ---
> drivers/iommu/virtio-iommu.c | 1 +
> 1 file changed, 1 insertion(+)
Hi Jacob,
On Tue, Feb 11, 2025 at 04:41:51PM -0800, Jacob Pan wrote:
> > However, there seem to be some unrelated qemu bugs. 7.0.0 does not
> > have working VIRTIO_IOMMU_F_BYPASS_CONFIG and neither qemu works with
> > an IDENTITY domain using !VIRTIO_IOMMU_F_BYPASS_CONFIG. It prints:
> >
> > qem
Hi Jacob,
On Wed, Feb 12, 2025 at 09:47:23PM -0800, Jacob Pan wrote:
> Our code and backend support are still in the early stages, that is why
> I am attempting to convert virtio-iommu driver to iommu_pt. Not sure if
> anyone has done the QEMU part to support VIRTIO_IOMMU_F_ATTACH_TABLE?
> @Jean @
On Thu, Mar 20, 2025 at 03:32:54PM +, Robin Murphy wrote:
> Much like arm-smmu in commit 7d835134d4e1 ("iommu/arm-smmu: Make
> instance lookup robust"), virtio-iommu appears to have the same issue
> where iommu_device_register() makes the IOMMU instance visible to other
> API callers (including
On Wed, Feb 19, 2025 at 05:39:19PM +0800, Yu Zhang wrote:
> On Thu, Feb 13, 2025 at 06:09:19PM +0000, Jean-Philippe Brucker wrote:
> > On Fri, Feb 14, 2025 at 01:03:43AM +0800, Yu Zhang wrote:
> > > On Thu, Feb 13, 2025 at 09:46:01AM +0000, Jean-Philippe Brucker wrote
On Wed, Feb 19, 2025 at 07:11:43PM +0800, Yu Zhang wrote:
> On Wed, Feb 19, 2025 at 10:35:18AM +0000, Jean-Philippe Brucker wrote:
> > On Wed, Feb 19, 2025 at 05:39:19PM +0800, Yu Zhang wrote:
> > > On Thu, Feb 13, 2025 at 06:09:19PM +0000, Jean-Philippe Brucker wrote:
> >
he domain_alloc path is still used,
> which creates an IDENTITY domain out of a paging domain.
>
> Signed-off-by: Jason Gunthorpe
Reviewed-by: Jean-Philippe Brucker
> ---
> drivers/iommu/virtio-iommu.c | 86
> 1 file changed, 67 insertions(+)
entity().
>
> Remove support for deferred finalize and the vdomain->mutex.
>
> Remove core support for domain_alloc() IDENTITY as virtio was the last
> driver using it.
>
> Signed-off-by: Jason Gunthorpe
Reviewed-by: Jean-Philippe Brucker
And my tests still pass (after f
On Fri, Feb 14, 2025 at 01:03:43AM +0800, Yu Zhang wrote:
> On Thu, Feb 13, 2025 at 09:46:01AM +0000, Jean-Philippe Brucker wrote:
> > Hi Jacob,
> >
> > On Wed, Feb 12, 2025 at 09:47:23PM -0800, Jacob Pan wrote:
> > > Our code and backend support are still in the ear
On Wed, Feb 12, 2025 at 09:05:35AM -0800, Jacob Pan wrote:
> > Does reproducing this require
> > modifying QEMU or Linux to disable support for F_BYPASS_CONFIG, or
> > just passing QEMU/kernel parameters?
> I only modified guest code to pretend F_BYPASS_CONFIG is not supported,
> a couple of plac
On Wed, Feb 12, 2025 at 08:50:07AM -0400, Jason Gunthorpe wrote:
> On Tue, Feb 11, 2025 at 04:41:51PM -0800, Jacob Pan wrote:
>
> > I see the same on arm64 with v9.0, assigned an ixgbe nic via VFIO.
>
> Huh, I figured it worked on ARM..
Crosvm would be a more useful test because it doesn't imple
On Fri, Feb 07, 2025 at 10:46:01AM -0400, Jason Gunthorpe wrote:
> To make way for a domain_alloc_paging conversion add the typical global
> static IDENTITY domain. This supports VMMs that have a
> VIRTIO_IOMMU_F_BYPASS_CONFIG config.
>
> If the VMM does not have support then the domain_alloc path
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