git: 28b36ecf990f - main - Revert "exit1(): Revert sparc64 workaround"

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=28b36ecf990fc28a935ab2ce75f7504721c3a7ea

commit 28b36ecf990fc28a935ab2ce75f7504721c3a7ea
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-08-09 05:56:58 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2023-08-09 06:00:20 +0000

    Revert "exit1(): Revert sparc64 workaround"
    
    This reverts commit 96c76d930656f13d3c041dc8d8f2fc3dd1e5e05a.
    
    There are other relatively common reasons why init might get killed
    during reboot, the workaround was really not sparc64-specific.
    
    Discussed with: marius
    Sponsored by:   The FreeBSD Foundation
---
 sys/kern/kern_exit.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index e3345c14df26..f1ab2f68b3f2 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -238,7 +238,14 @@ exit1(struct thread *td, int rval, int signo)
 	TSPROCEXIT(td->td_proc->p_pid);
 
 	p = td->td_proc;
-	if (p == initproc) {
+	/*
+	 * In case we're rebooting we just let init die in order to
+	 * work around an issues where pid 1 might get a fatal signal.
+	 * For instance, if network interface serving NFS root is
+	 * going down due to reboot, page-in requests for text are
+	 * failing.
+	 */
+	if (p == initproc && rebooting == 0) {
 		printf("init died (signal %d, exit %d)\n", signo, rval);
 		panic("Going nowhere without my init!");
 	}