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authorSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
commit59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch)
treef1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /kernel/lockdep.c
parent825f9075d74028d11d7f5932f04e1b5db3022b51 (diff)
parentd834c16516d1ebec4766fc58c059bf01311e6045 (diff)
Merge branch 'master' into gfs2
Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index c088e5542e84..e596525669ed 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -36,6 +36,7 @@
#include <linux/stacktrace.h>
#include <linux/debug_locks.h>
#include <linux/irqflags.h>
+#include <linux/utsname.h>
#include <asm/sections.h>
@@ -121,8 +122,8 @@ static struct list_head chainhash_table[CHAINHASH_SIZE];
* unique.
*/
#define iterate_chain_key(key1, key2) \
- (((key1) << MAX_LOCKDEP_KEYS_BITS/2) ^ \
- ((key1) >> (64-MAX_LOCKDEP_KEYS_BITS/2)) ^ \
+ (((key1) << MAX_LOCKDEP_KEYS_BITS) ^ \
+ ((key1) >> (64-MAX_LOCKDEP_KEYS_BITS)) ^ \
(key2))
void lockdep_off(void)
@@ -515,6 +516,13 @@ print_circular_bug_entry(struct lock_list *target, unsigned int depth)
return 0;
}
+static void print_kernel_version(void)
+{
+ printk("%s %.*s\n", system_utsname.release,
+ (int)strcspn(system_utsname.version, " "),
+ system_utsname.version);
+}
+
/*
* When a circular dependency is detected, print the
* header first:
@@ -531,6 +539,7 @@ print_circular_bug_header(struct lock_list *entry, unsigned int depth)
printk("\n=======================================================\n");
printk( "[ INFO: possible circular locking dependency detected ]\n");
+ print_kernel_version();
printk( "-------------------------------------------------------\n");
printk("%s/%d is trying to acquire lock:\n",
curr->comm, curr->pid);
@@ -712,6 +721,7 @@ print_bad_irq_dependency(struct task_struct *curr,
printk("\n======================================================\n");
printk( "[ INFO: %s-safe -> %s-unsafe lock order detected ]\n",
irqclass, irqclass);
+ print_kernel_version();
printk( "------------------------------------------------------\n");
printk("%s/%d [HC%u[%lu]:SC%u[%lu]:HE%u:SE%u] is trying to acquire:\n",
curr->comm, curr->pid,
@@ -793,6 +803,7 @@ print_deadlock_bug(struct task_struct *curr, struct held_lock *prev,
printk("\n=============================================\n");
printk( "[ INFO: possible recursive locking detected ]\n");
+ print_kernel_version();
printk( "---------------------------------------------\n");
printk("%s/%d is trying to acquire lock:\n",
curr->comm, curr->pid);
@@ -1375,6 +1386,7 @@ print_irq_inversion_bug(struct task_struct *curr, struct lock_class *other,
printk("\n=========================================================\n");
printk( "[ INFO: possible irq lock inversion dependency detected ]\n");
+ print_kernel_version();
printk( "---------------------------------------------------------\n");
printk("%s/%d just changed the state of lock:\n",
curr->comm, curr->pid);
@@ -1469,6 +1481,7 @@ print_usage_bug(struct task_struct *curr, struct held_lock *this,
printk("\n=================================\n");
printk( "[ INFO: inconsistent lock state ]\n");
+ print_kernel_version();
printk( "---------------------------------\n");
printk("inconsistent {%s} -> {%s} usage.\n",