From 2281d4ba935f2b6c06d2ee0e5258c41c78bd8d39 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed, 25 Jan 2023 01:58:23 +0100
Subject: ddb/db_mp.c: re-introduce remote_db_enter

which will be useful for smp
---
 ddb/db_mp.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'ddb/db_mp.c')

diff --git a/ddb/db_mp.c b/ddb/db_mp.c
index dbd4abb8..7c0f6f26 100644
--- a/ddb/db_mp.c
+++ b/ddb/db_mp.c
@@ -246,6 +246,17 @@ db_on(int cpu)
 	    db_continue_cmd(0, 0, 0, "");
 }
 
+/*
+ * Called by interprocessor interrupt when one CPU is
+ * in kernel debugger and wants to stop other CPUs
+ */
+void
+remote_db_enter(void)
+{
+	db_slave[cpu_number()]++;
+	kdb_kintr();
+}
+
 /*
  * Acquire kernel debugger.
  * Conditional code for forwarding characters from slave to console
-- 
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