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(parent: 074511c) | patch
iommu/amd: Add workaround for event log erratum
authorJoerg Roedel <joerg.roedel@amd.com>
Thu, 12 Apr 2012 12:12:00 +0000 (14:12 +0200)
committerJoerg Roedel <joerg.roedel@amd.com>
Thu, 12 Apr 2012 12:16:14 +0000 (14:16 +0200)
commit1a6efc4c718db23e01a36f049b6fa938630fd70d
treefcef864e872b18c00991cc1805c279f977e61fcatree | snapshot
parent074511c2dc79f90c860a2f8e399ac24ad8097228commit | diff
iommu/amd: Add workaround for event log erratum

Due to a recent erratum it can happen that the head pointer
of the event-log is updated before the actual event-log
entry is written. This patch implements the recommended
workaround.

Cc: stable@vger.kernel.org # all stable kernels
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
drivers/iommu/amd_iommu.c diff | blob | history
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