[Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter

bugzilla-daemon
2021-02-02T01:34:35Z

Suravee Suthikulpanit (suravee.suthikulpanit@amd.com) changed:

What |Removed |Added
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CC| |suravee.suthikulpanit@amd.c
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--- Comment #3 from Suravee Suthikulpanit (suravee.suthikulpanit@amd.com) ---
Created attachment 295035
--> https://bugzilla.kernel.org/attachment.cgi?id=295035&action=edit
Proposed workaround for the IOMMU PMC issue

Could you please try the attached patch to see if this help fix the issue on
your platform?