diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2026-06-06 12:52:15 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2026-06-06 12:52:15 +0000 |
| commit | 1ee4b5fd824aa93f9a20df6bd5dad50c7e32fe05 (patch) | |
| tree | 48d6d4a794881fea0d4a1b9ad060d5345764c76a | |
| parent | 85195c0c7f8a2926f0ba131178d9231bc33c81b5 (diff) | |
fork: Drop an uneeded PHOLD/PRELE pair
Support for swapping out kernel stacks was removed, so the PHOLD has no
purpose. (And even before that, it's not clear why a swapout here would
have been problematic.)
Reviewed by: kib
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D57486
| -rw-r--r-- | sys/kern/kern_fork.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 36647ae44f08..75f8413e5f36 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -675,11 +675,6 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread * callout_init_mtx(&p2->p_itcallout, &p2->p_mtx, 0); - /* - * This begins the section where we must prevent the parent - * from being swapped. - */ - _PHOLD(p1); PROC_UNLOCK(p1); /* @@ -786,10 +781,6 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread * */ knote_fork(p1->p_klist, p2->p_pid); - /* - * Now can be swapped. - */ - _PRELE(p1); PROC_UNLOCK(p1); SDT_PROBE3(proc, , , create, p2, p1, fr->fr_flags); |