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| author | Sukadev Bhattiprolu <[email protected]> | 2016-03-24 02:07:57 -0400 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2016-07-21 20:13:28 +1000 |
| commit | 0eab46be21449f1612791201aa029facb676bd31 (patch) | |
| tree | ec23ccf83fe827e4ec636293fab7ceaece0fadf4 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 31278b17a0dfed3014786b623fd07ee110b801da (diff) | |
powerpc/mm: Add memory barrier in __hugepte_alloc()
__hugepte_alloc() uses kmem_cache_zalloc() to allocate a zeroed PTE
and proceeds to use the newly allocated PTE. Add a memory barrier to
make sure that the other CPUs see a properly initialized PTE.
Based on a fix suggested by James Dykman.
Reported-by: James Dykman <[email protected]>
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Signed-off-by: Sukadev Bhattiprolu <[email protected]>
Tested-by: James Dykman <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions