diff options
| author | Joerg Roedel <[email protected]> | 2013-04-18 17:55:04 +0200 |
|---|---|---|
| committer | Joerg Roedel <[email protected]> | 2013-04-19 20:53:26 +0200 |
| commit | d3263bc29706e42f74d8800807c2dedf320d77f1 (patch) | |
| tree | 7a1208b29e81c620265899b2b9a940e5a7328ed9 /tools/perf/scripts/python/sctop.py | |
| parent | 7d8bfa26f236bc9528415402dda6b498a0682e42 (diff) | |
iommu/amd: Workaround for ERBT1312
Work around an IOMMU hardware bug where clearing the
EVT_INT or PPR_INT bit in the status register may race with
the hardware trying to set it again. When not handled the
bit might not be cleared and we lose all future event or ppr
interrupts.
Reported-by: Suravee Suthikulpanit <[email protected]>
Cc: [email protected]
Signed-off-by: Joerg Roedel <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions