Re: [PATCH] iommu/amd: Fix event counter availability check

[Suravee Suthikulpanit]

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