diff options
| author | Cliff Wickman <[email protected]> | 2009-01-15 09:51:20 -0600 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-01-15 23:48:20 +0100 |
| commit | 18c07cf530cf4aa8b7551801f68ed40db5ee4e45 (patch) | |
| tree | 0e57822a4d34535a0da87c3e2187b3264c26c856 /scripts/basic/docproc.c | |
| parent | 4a13ad0bd8869bb491c67918662f9b1852595af5 (diff) | |
x86, UV: cpu_relax in uv_wait_completion
The function uv_wait_completion() spins on reads of a memory-mapped
register, waiting for completion of BAU hardware replies.
It should call "cpu_relax()" between those reads to improve performance
on hyperthreaded configurations.
Signed-off-by: Cliff Wickman <[email protected]>
Acked-by: Jack Steiner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'scripts/basic/docproc.c')
0 files changed, 0 insertions, 0 deletions