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| author | davidxu <davidxu@FreeBSD.org> | 2003-07-08 00:14:30 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2003-07-08 00:14:30 +0000 |
| commit | 79e1d9ec1ea281222db902b05f1dd7c7c04f0bfc (patch) | |
| tree | acbf78d52c23a6706f8e33a88d19e2150afce7a2 | |
| parent | 748dd1c088b22b6a427aa54cbff144ba0d766cd4 (diff) | |
| download | FreeBSD-src-79e1d9ec1ea281222db902b05f1dd7c7c04f0bfc.zip FreeBSD-src-79e1d9ec1ea281222db902b05f1dd7c7c04f0bfc.tar.gz | |
Fix LOR between scheduler lock and SMP rendezvous lock.
Reviewed by: jhb
| -rw-r--r-- | sys/i386/i386/sys_machdep.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/sys/i386/i386/sys_machdep.c b/sys/i386/i386/sys_machdep.c index 2e4cd26..04fe24f 100644 --- a/sys/i386/i386/sys_machdep.c +++ b/sys/i386/i386/sys_machdep.c @@ -289,9 +289,7 @@ set_user_ldt_rv(struct thread *td) if (td->td_proc != curthread->td_proc) return; - mtx_lock_spin(&sched_lock); set_user_ldt(&td->td_proc->p_md); - mtx_unlock_spin(&sched_lock); } #endif @@ -462,9 +460,6 @@ i386_set_ldt(td, args) #endif } else { mdp->md_ldt = pldt = new_ldt; -#ifdef SMP - mtx_unlock_spin(&sched_lock); -#endif } #ifdef SMP /* signal other cpus to reload ldt */ @@ -472,8 +467,8 @@ i386_set_ldt(td, args) NULL, td); #else set_user_ldt(mdp); - mtx_unlock_spin(&sched_lock); #endif + mtx_unlock_spin(&sched_lock); } descs_size = uap->num * sizeof(union descriptor); |
