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| author | tegge <tegge@FreeBSD.org> | 2003-04-04 23:54:46 +0000 |
|---|---|---|
| committer | tegge <tegge@FreeBSD.org> | 2003-04-04 23:54:46 +0000 |
| commit | 766eadf040b6f30cf49399bb0ca77faafda26c9a (patch) | |
| tree | 0d73c95b806db945c1d73a351c7f290aed41b09c /sys/amd64 | |
| parent | 9eaffccc28225fffdec62c84c9d21a13622fcae4 (diff) | |
| download | FreeBSD-src-766eadf040b6f30cf49399bb0ca77faafda26c9a.zip FreeBSD-src-766eadf040b6f30cf49399bb0ca77faafda26c9a.tar.gz | |
Add SMP_TSC option, which can be used on SMP systems where the TSCs
are synchronized to reduce context switch cost.
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/tsc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/amd64/tsc.c b/sys/amd64/amd64/tsc.c index e12a48d..abc6a93 100644 --- a/sys/amd64/amd64/tsc.c +++ b/sys/amd64/amd64/tsc.c @@ -77,7 +77,7 @@ init_TSC(void) if (bootverbose) printf("TSC clock: %ju Hz\n", (intmax_t)tsc_freq); -#if defined(SMP) +#if defined(SMP) && !defined(SMP_TSC) /* * We can not use the TSC in SMP mode, until we figure out a * cheap (impossible), reliable and precise (yeah right!) way |
