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| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-12-20 17:18:12 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2019-05-07 10:36:31 -0700 |
| commit | f7c34874f04a80d6c39a32f08da2529e59602d3c (patch) | |
| tree | a225ab153205701d24bee7423fc950a9009cb533 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | d065fcf12c21348cbc125460f75332f467518fb1 (diff) | |
xtensa: add exclusive atomics support
Implement atomic primitives using exclusive access opcodes available in
the recent xtensa cores.
Since l32ex/s32ex don't have any memory ordering guarantees don't define
__smp_mb__before_atomic/__smp_mb__after_atomic to make them use memw.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions