Hi Nadav,
On Wed, Apr 07, 2021 at 05:57:31PM +0000, Nadav Amit wrote:
> I tested it on real bare-metal hardware. I ran some basic I/O workloads
> with the IOMMU enabled, checkers enabled/disabled, and so on.
>
> However, I only tested the IOMMU-flushes and I did not test that the
> device-IOTLB flush work, since I did not have the hardware for that.
>
> If you can refer me to the old patches, I will have a look and see
> whether I can see a difference in the logic or test them. If you want
> me to run different tests - let me know. If you want me to remove
> the device-IOTLB invalidations logic - that is also fine with me.
Here is the patch-set, it is from 2010 and against a very old version of
the AMD IOMMU driver:
https://lore.kernel.org/lkml/1265898797-32183-1-git-send-email-joerg.roe...@amd.com/
Regards,
Joerg
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