From 8137f417f73319fb29a5398dd0f43f1d909f1429 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Tue, 30 Apr 2024 20:43:42 -0400
Subject: kernel: panic: Try to stop other processors

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/kern/kern_panic.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/kern')

diff --git a/sys/kern/kern_panic.c b/sys/kern/kern_panic.c
index d22f5b2..5b90dc8 100644
--- a/sys/kern/kern_panic.c
+++ b/sys/kern/kern_panic.c
@@ -30,6 +30,7 @@
 #include <sys/panic.h>
 #include <sys/syslog.h>
 #include <sys/machdep.h>
+#include <sys/spinlock.h>
 
 /*
  * Tells the user something terribly
@@ -45,6 +46,10 @@ void
 panic(const char *fmt, ...)
 {
     va_list ap;
+    static struct spinlock lock = {0};
+
+    spinlock_acquire(&lock);    /* Never released */
+    __TRY_CALL(cpu_halt_others);
 
     va_start(ap, fmt);
 
-- 
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