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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-07-01 22:30:28 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-07-01 22:43:37 +0400 |
| commit | 206a73c102fc480ba072a9388bc2142c303113aa (patch) | |
| tree | 0b946089436df51a4444ef23069a9037853d5e61 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | c85994e4771025ef2a66533eb1a4c6c2217b9cda (diff) | |
| download | linux-206a73c102fc480ba072a9388bc2142c303113aa.tar.xz | |
intel-iommu: Kill superfluous mapping_lock
Since we're using cmpxchg64() anyway (because that's the only way to do
an atomic 64-bit store on i386), we might as well ditch the extra
locking and just use cmpxchg64() to ensure that we don't add the page
twice.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions