diff options
| author | Andrew Cooper <andrew.cooper3@citrix.com> | 2013-05-23 10:16:28 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-05-23 10:16:28 +0200 |
| commit | 5ea99fa5355c9bb768388b7cf86950fd808ab2d3 (patch) | |
| tree | baafd848e3e4ebb531fd209eeb86bd38347a3c25 /tools/lib/sys_string.h | |
| parent | 3ef9022508e6e331e1bedb173a0aad509ceb69aa (diff) | |
| download | xen-5ea99fa5355c9bb768388b7cf86950fd808ab2d3.tar.gz xen-5ea99fa5355c9bb768388b7cf86950fd808ab2d3.tar.bz2 xen-5ea99fa5355c9bb768388b7cf86950fd808ab2d3.zip | |
AMD/iommu: SR56x0 Erratum 64 - Reset all head & tail pointers
Reference at time of patch:
http://support.amd.com/us/ChipsetMotherboard_TechDocs/46303.pdf
Erratum 64 states that the head and tail pointers for the Command buffer and
Event log are only reset on a cold boot, not a warm boot.
While the erratum is limited to systems using SR56xx chipsets (such as Family
10h CPUs), resetting the pointers is a sensible action in all cases, including
the PPR log for consistency.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
Acked-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
master commit: 6d243308e1d75f866679db226159c797d6c83aad
master date: 2013-05-22 15:26:52 +0200
Diffstat (limited to 'tools/lib/sys_string.h')
0 files changed, 0 insertions, 0 deletions