d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix LOR between scheduler lock and SMP rendezvous lock.

Browse Source 
Reviewed by: jhb
This commit is contained in:
davidxu 2003-07-08 00:14:30 +00:00
parent 748dd1c088
commit 79e1d9ec1e
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/i386/i386/sys_machdep.c
View File

@ -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);