This fix has been accepted in the upstream recently.
https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git/commit/?h=x86/amd
Could you please give this a try?
Thanks,
Suravee
On 2/21/21 8:49 PM, Paul Menzel wrote:
Dear Suravee,
Am 17.09.20 um 19:55 schrieb Alexander Monakov:
On Tue, 16 Jun 2020, Suravee Suthikulpanit wrote:
Instead of blindly moving the code around to a spot that would just work,
I am trying to understand what might be required here. In this case,
the init_device_table_dma()should not be needed. I suspect it's the IOMMU
invalidate all command that's also needed here.
I'm also checking with the HW and BIOS team. Meanwhile, could you please
give
the following change a try:
Hello. Can you give any update please?
[…]
Sorry for late reply. I have a reproducer and working with the HW team to
understand the issue.
I should be able to provide update with solution by the end of this week.
Hello, hope you are doing well. Has this investigation found anything?
I am wondering the same. It’d be great to have this fixed in the upstream Linux
kernel.
Kind regards,
Paul
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