On 2/26/21 2:44 PM, Paul Menzel wrote:
[cc: +suravee, +jörg]
Dear Alex, dear Shuah, dear Suravee, dear Jörg,
Am 03.06.20 um 08:54 schrieb Alexander Monakov:
On Tue, 2 Jun 2020, Shuah Khan wrote:
I changed the logic to read config to get max banks and counters
before checking if counters are
[cc: +suravee, +jörg]
Dear Alex, dear Shuah, dear Suravee, dear Jörg,
Am 03.06.20 um 08:54 schrieb Alexander Monakov:
On Tue, 2 Jun 2020, Shuah Khan wrote:
I changed the logic to read config to get max banks and counters
before checking if counters are writable and tried writing to all.
The
Dear Suravee,
Thank you for your reply.
Am 22.02.21 um 18:59 schrieb 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
Indeed. Linux pulled also pulled this [1].
Could you please g
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 Tu
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
Dear Alexander,
Am 01.06.20 um 04:48 schrieb Paul Menzel:
[…]
Am 31.05.20 um 09:22 schrieb Alexander Monakov:
Adding Shuah Khan to Cc: I've noticed you've seen this issue on Ryzen 2400GE;
can you have a look at the patch? Would be nice to know if it fixes the
problem for you too.
On Fri,
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
> > > invalid
On Tue, 16 Jun 2020, Suravee Suthikulpanit wrote:
> > > On 6/1/20 4:01 PM, Alexander Monakov wrote:
> > > > On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
> > > >
> > > > > > Moving init_iommu_perf_ctr just after iommu_flush_all_caches
> > > > > > resolves the issue. This is the earliest point
On 6/16/20 3:48 AM, Alexander Monakov wrote:
Alexander
On 6/1/20 4:01 PM, Alexander Monakov wrote:
On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
Moving init_iommu_perf_ctr just after iommu_flush_all_caches resolves
the issue. This is the earliest point in amd_iommu_init_pci where the
ca
On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
> Alexander
>
> On 6/1/20 4:01 PM, Alexander Monakov wrote:
> > On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
> >
> > > > Moving init_iommu_perf_ctr just after iommu_flush_all_caches resolves
> > > > the issue. This is the earliest point in amd
On Tue, 2 Jun 2020, Shuah Khan wrote:
> I changed the logic to read config to get max banks and counters
> before checking if counters are writable and tried writing to all.
> The result is the same and all of them aren't writable. However,
> when disable the writable check and assume they are, I
On 5/31/20 1:22 AM, Alexander Monakov wrote:
Hi,
Adding Shuah Khan to Cc: I've noticed you've seen this issue on Ryzen 2400GE;
can you have a look at the patch? Would be nice to know if it fixes the
problem for you too.
I am not seeing any change in behavior on my system. I still see:
I can'
> 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 wit
Alexander
On 6/1/20 4:01 PM, Alexander Monakov wrote:
On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
Moving init_iommu_perf_ctr just after iommu_flush_all_caches resolves
the issue. This is the earliest point in amd_iommu_init_pci where the
call succeeds on my laptop.
According to your des
On Mon, 1 Jun 2020, Suravee Suthikulpanit wrote:
> > Moving init_iommu_perf_ctr just after iommu_flush_all_caches resolves
> > the issue. This is the earliest point in amd_iommu_init_pci where the
> > call succeeds on my laptop.
>
> According to your description, it should just need to be anywher
Hi Alexander,
On 5/30/20 3:07 AM, Alexander Monakov wrote:
The driver performs an extra check if the IOMMU's capabilities advertise
presence of performance counters: it verifies that counters are writable
by writing a hard-coded value to a counter and testing that reading that
counter gives back
Dear Alexander,
Thank you very much for the patch.
Am 31.05.20 um 09:22 schrieb Alexander Monakov:
Adding Shuah Khan to Cc: I've noticed you've seen this issue on Ryzen 2400GE;
can you have a look at the patch? Would be nice to know if it fixes the
problem for you too.
On Fri, 29 May 2020
Hi,
Adding Shuah Khan to Cc: I've noticed you've seen this issue on Ryzen 2400GE;
can you have a look at the patch? Would be nice to know if it fixes the
problem for you too.
Thanks.
Alexander
On Fri, 29 May 2020, Alexander Monakov wrote:
> The driver performs an extra check if the IOMMU's capa
The driver performs an extra check if the IOMMU's capabilities advertise
presence of performance counters: it verifies that counters are writable
by writing a hard-coded value to a counter and testing that reading that
counter gives back the same value.
Unfortunately it does so quite early, even b
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