Re: [PATCH 3/3] iommu/amd: Re-enable IOMMU event log interrupt afterhandling.

From: Joerg Roedel
Date: Tue Apr 02 2013 - 10:50:52 EST


On Wed, Mar 27, 2013 at 06:51:52PM -0500, suravee.suthikulpanit@xxxxxxx wrote:
> From: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
>
> Current driver does not clear the IOMMU event log interrupt bit
> in the IOMMU status register after processing an interrupt.
> This causes the IOMMU hardware to generate event log interrupt only once.
> This has been observed in both IOMMU v1 and V2 hardware.
> This patch clears the bit by writing 1 to bit 1 of the IOMMU
> status register (MMIO Offset 2020h)
>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>

Applied to x86/amd, thanks.


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