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author | scottl <scottl@FreeBSD.org> | 2004-08-01 14:31:45 +0000 |
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committer | scottl <scottl@FreeBSD.org> | 2004-08-01 14:31:45 +0000 |
commit | 30cf65f35dbd6e55081a269240935a7a0f3dc352 (patch) | |
tree | bd9492fdf606dc7d4b04a0c5216a88445b67a568 /sys/amd64/include/param.h | |
parent | e136993596fa6ae3755ff7a21c28c71b824fea3b (diff) | |
download | FreeBSD-src-30cf65f35dbd6e55081a269240935a7a0f3dc352.zip FreeBSD-src-30cf65f35dbd6e55081a269240935a7a0f3dc352.tar.gz |
Turn off PREEMPTION by default while it gets debugged. It's been causing
4 weeks of problems including deadlocks and instant panics. Note that the
real bugs are likely in the scheduler.
Diffstat (limited to 'sys/amd64/include/param.h')
-rw-r--r-- | sys/amd64/include/param.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/amd64/include/param.h b/sys/amd64/include/param.h index 2f46837..aa8c29e 100644 --- a/sys/amd64/include/param.h +++ b/sys/amd64/include/param.h @@ -119,7 +119,10 @@ #define NBPML4 (1ul<<PML4SHIFT)/* bytes/page map lev4 table */ #define PML4MASK (NBPML4-1) +/* PREEMPTION exposes scheduler bugs that need to be fixed. */ +#if 0 #define PREEMPTION +#endif #define IOPAGES 2 /* pages of i/o permission bitmap */ |