On Tue, Mar 9, 2021 at 7:34 PM Christian König wrote:
> Am 09.03.21 um 18:59 schrieb Alex Deucher:
>
> There has been quite some effort for this already for generic PASID
> interface etc.. But it looks like that effort is stalled by now.
>
> Anyway at least I'm perfectly fine to have the IOMMUv2 |
Am 09.03.21 um 18:59 schrieb Alex Deucher:
On Tue, Mar 9, 2021 at 12:55 PM Jean-Philippe Brucker
wrote:
Hi Felix,
On Tue, Mar 09, 2021 at 11:30:19AM -0500, Felix Kuehling wrote:
I think the proper fix would be to not rely on custom hooks into a particular
IOMMU driver, but to instead ensure t
On Tue, Mar 9, 2021 at 12:55 PM Jean-Philippe Brucker
wrote:
>
> Hi Felix,
>
> On Tue, Mar 09, 2021 at 11:30:19AM -0500, Felix Kuehling wrote:
> > > I think the proper fix would be to not rely on custom hooks into a
> > > particular
> > > IOMMU driver, but to instead ensure that the amdgpu driver
Hi Felix,
On Tue, Mar 09, 2021 at 11:30:19AM -0500, Felix Kuehling wrote:
> > I think the proper fix would be to not rely on custom hooks into a
> > particular
> > IOMMU driver, but to instead ensure that the amdgpu driver can do everything
> > it needs through the regular linux/iommu.h interface
Am 2021-03-09 um 3:58 a.m. schrieb Arnd Bergmann:
> On Tue, Mar 9, 2021 at 4:23 AM Felix Kuehling wrote:
>> Using 'imply AMD_IOMMU_V2' does not guarantee that the driver can link
>> against the exported functions. If the GPU driver is built-in but the
>> IOMMU driver is a loadable module, the kfd_
On Tue, Mar 9, 2021 at 4:23 AM Felix Kuehling wrote:
>
> Using 'imply AMD_IOMMU_V2' does not guarantee that the driver can link
> against the exported functions. If the GPU driver is built-in but the
> IOMMU driver is a loadable module, the kfd_iommu.c file is indeed
> built but does not work:
>
>
Using 'imply AMD_IOMMU_V2' does not guarantee that the driver can link
against the exported functions. If the GPU driver is built-in but the
IOMMU driver is a loadable module, the kfd_iommu.c file is indeed
built but does not work:
x86_64-linux-ld: drivers/gpu/drm/amd/amdkfd/kfd_iommu.o: in functi
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