I have worked around the issue by filtering out the request if the
pfn is not valid in __clean_dcache_guest_page(). As the patch
wasn't posted in the community, reverted it as well.
That's papering over the real issue, and this mapping path needs
fixing as it was only ever expected to be cal
On Fri, 23 Apr 2021 18:58:23 +0100,
Krishna Reddy wrote:
>
> >> Did that patch cause any issue, or is it just not needed on your system?
> >> It fixes an hypothetical problem with the way ATS is implemented.
> >> Maybe I actually observed it on an old software model, I don't
> >> remember. Eith
Did that patch cause any issue, or is it just not needed on your system?
It fixes an hypothetical problem with the way ATS is implemented.
Maybe I actually observed it on an old software model, I don't
remember. Either way it's unlikely to go upstream but I'd like to know
if I should drop it f
>> Did that patch cause any issue, or is it just not needed on your system?
>> It fixes an hypothetical problem with the way ATS is implemented.
>> Maybe I actually observed it on an old software model, I don't
>> remember. Either way it's unlikely to go upstream but I'd like to know
>> if I sho
Hi Jean,
Hi Sumit,
On Thu, Apr 22, 2021 at 08:34:38PM +0530, Sumit Gupta wrote:
Had to revert patch "mm: notify remote TLBs when dirtying a PTE".
Did that patch cause any issue, or is it just not needed on your system?
It fixes an hypothetical problem with the way ATS is implemented. Maybe
Hi Sumit,
On Thu, Apr 22, 2021 at 08:34:38PM +0530, Sumit Gupta wrote:
> Had to revert patch "mm: notify remote TLBs when dirtying a PTE".
Did that patch cause any issue, or is it just not needed on your system?
It fixes an hypothetical problem with the way ATS is implemented. Maybe I
actually ob
Hi Eric,
I have validated the v14 of the patch series from branch
"jean_sva_current_2stage_v14".
Verfied nested translations with NVMe PCI device assigned to Qemu 5.2 Guest.
Had to revert patch "mm: notify remote TLBs when dirtying a PTE".
Tested-by: Sumit Gupta
_
Hi Krishna,
On 3/18/21 1:16 AM, Krishna Reddy wrote:
> Tested-by: Krishna Reddy
>
> Validated nested translations with NVMe PCI device assigned to Guest VM.
> Tested with both v12 and v13 of Jean-Philippe's patches as base.
Many thanks for that.
>
>> This is based on Jean-Philippe's
>> [PATCH
Tested-by: Krishna Reddy
Validated nested translations with NVMe PCI device assigned to Guest VM.
Tested with both v12 and v13 of Jean-Philippe's patches as base.
> This is based on Jean-Philippe's
> [PATCH v12 00/10] iommu: I/O page faults for SMMUv3
> https://lore.kernel.org/linux-arm-kernel/
Hi Shameer, all
On 2/23/21 9:56 PM, Eric Auger wrote:
> This series brings the IOMMU part of HW nested paging support
> in the SMMUv3. The VFIO part is submitted separately.
>
> This is based on Jean-Philippe's
> [PATCH v12 00/10] iommu: I/O page faults for SMMUv3
> https://lore.kernel.org/linux-
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