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| author | Helge Deller <deller@gmx.de> | 2019-05-07 20:19:05 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2019-05-10 21:00:24 +0200 |
| commit | e6eb5fe9123f05dcbf339ae5c0b6d32fcc0685d5 (patch) | |
| tree | af8322072981c930ac0ac33e62ee5b6d0732fc95 /arch/parisc/include | |
| parent | parisc: Add static branch and JUMP_LABEL feature (diff) | |
| download | linux-e6eb5fe9123f05dcbf339ae5c0b6d32fcc0685d5.tar.xz linux-e6eb5fe9123f05dcbf339ae5c0b6d32fcc0685d5.zip | |
parisc: Drop LDCW barrier in CAS code when running UP
When running an SMP kernel on a single-CPU machine, we can speed up the
CAS code by replacing the LDCW sync barrier with NOP.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include')
0 files changed, 0 insertions, 0 deletions