From bdb9441e9c325d50b5ae17f7d3205d65b8ed2e5f Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 25 Feb 2008 23:02:48 +0100
Subject: [PATCH] lockdep: increase MAX_LOCK_DEPTH
Some code paths exceed the current max lock depth (XFS), so increase
this limit a bit. I looked at making this a dynamic allocated array,
but we should not advocate insane lock depths, so stay with this as
long as it works...
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
include/linux/sched.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e217d188a102..e3ea12437547 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1189,7 +1189,7 @@ struct task_struct {
int softirq_context;
#endif
#ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
u64 curr_chain_key;
int lockdep_depth;
struct held_lock held_locks[MAX_LOCK_DEPTH];
--
GitLab