diff options
Diffstat (limited to 'sys/amd64/amd64/vm_machdep.c')
| -rw-r--r-- | sys/amd64/amd64/vm_machdep.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/amd64/amd64/vm_machdep.c b/sys/amd64/amd64/vm_machdep.c index 9b99812..dd1e4bf 100644 --- a/sys/amd64/amd64/vm_machdep.c +++ b/sys/amd64/amd64/vm_machdep.c @@ -163,6 +163,10 @@ cpu_fork(td1, p2, td2, flags) * pcb2->pcb_[fg]sbase: cloned above */ + /* Setup to release sched_lock in fork_exit(). */ + td2->td_md.md_spinlock_count = 1; + td2->td_md.md_saved_flags = PSL_KERNEL | PSL_I; + /* * Now, cpu_switch() can schedule the new process. * pcb_rsp is loaded pointing to the cpu_switch() stack frame @@ -294,6 +298,10 @@ cpu_set_upcall(struct thread *td, struct thread *td0) * pcb2->pcb_onfault: cloned above (always NULL here?). * pcb2->pcb_[fg]sbase: cloned above */ + + /* Setup to release sched_lock in fork_exit(). */ + td->td_md.md_spinlock_count = 1; + td->td_md.md_saved_flags = PSL_KERNEL | PSL_I; } /* |
