Re: [PATCH 0/3] iommu/amd: IOMMU Error Reporting/Handling/Filtering
From: Joerg Roedel
Date: Fri Jun 21 2013 - 11:15:11 EST
On Wed, May 22, 2013 at 02:15:52PM -0500, Suthikulpanit, Suravee wrote:
> From: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
> This patch set implements framework for handling errors reported via IOMMU
> event log. It also implements mechanism to filter/suppress error messages when
> IOMMU hardware generates large amount event logs, which is often caused by
> devices performing invalid operations or from misconfiguring IOMMU hardware
> (e.g. IO_PAGE_FAULT and INVALID_DEVICE_QEQUEST").
Instead of extending this bad scaling dmesg error-reporting mechanism, I
would very much like to see an integration of IOMMU error handling into
the EDAC framework.
An exception is of course still the flags decoding in this patch-set.
This alone would be pretty compelling as long as there is no integration
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