diff options
| author | Nicholas Piggin <[email protected]> | 2020-12-17 23:47:30 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2021-02-09 01:09:45 +1100 |
| commit | 032b7f08932c9b212952d6d585e45b2941b3e8be (patch) | |
| tree | b177ec1a30b3623584c124d6957b580afe663ee6 /tools/perf/scripts/python | |
| parent | 9393544842d6c85ebfc387c43a5059f8171d598f (diff) | |
powerpc/64s/radix: serialize_against_pte_lookup IPIs trim mm_cpumask
serialize_against_pte_lookup() performs IPIs to all CPUs in mm_cpumask.
Take this opportunity to try trim the CPU out of mm_cpumask. This can
reduce the cost of future serialize_against_pte_lookup() and/or the
cost of future TLB flushes.
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions