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authorups <ups@FreeBSD.org>2005-04-08 03:37:53 +0000
committerups <ups@FreeBSD.org>2005-04-08 03:37:53 +0000
commit7bac02c1465f16f80ca4f8673c20be951b6922a0 (patch)
tree1dd51e535e839033d7b1c0ba6104fb1725aa3705 /sys/kern/sched_4bsd.c
parent75973f60359658f053d14347abf7b60eaf3e0122 (diff)
downloadFreeBSD-src-7bac02c1465f16f80ca4f8673c20be951b6922a0.zip
FreeBSD-src-7bac02c1465f16f80ca4f8673c20be951b6922a0.tar.gz
Sprinkle some volatile magic and rearrange things a bit to avoid race
conditions in critical_exit now that it no longer blocks interrupts. Reviewed by: jhb
Diffstat (limited to 'sys/kern/sched_4bsd.c')
-rw-r--r--sys/kern/sched_4bsd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index fe90fee..f8a5c4f 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -911,7 +911,7 @@ sched_switch(struct thread *td, struct thread *newtd, int flags)
td->td_lastcpu = td->td_oncpu;
td->td_flags &= ~TDF_NEEDRESCHED;
- td->td_pflags &= ~TDP_OWEPREEMPT;
+ td->td_owepreempt = 0;
td->td_oncpu = NOCPU;
/*
* At the last moment, if this thread is still marked RUNNING,
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