diff options
| -rw-r--r-- | kernel/lockdep.c | 23 | ||||
| -rw-r--r-- | kernel/rtmutex-debug.c | 1 | 
2 files changed, 16 insertions, 8 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 103bed8423f..a2ab30c12af 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -567,11 +567,12 @@ static void lockdep_print_held_locks(struct task_struct *curr)  	}  } -static void print_kernel_version(void) +static void print_kernel_ident(void)  { -	printk("%s %.*s\n", init_utsname()->release, +	printk("%s %.*s %s\n", init_utsname()->release,  		(int)strcspn(init_utsname()->version, " "), -		init_utsname()->version); +		init_utsname()->version, +		print_tainted());  }  static int very_verbose(struct lock_class *class) @@ -1149,7 +1150,7 @@ print_circular_bug_header(struct lock_list *entry, unsigned int depth,  	printk("\n");  	printk("======================================================\n");  	printk("[ INFO: possible circular locking dependency detected ]\n"); -	print_kernel_version(); +	print_kernel_ident();  	printk("-------------------------------------------------------\n");  	printk("%s/%d is trying to acquire lock:\n",  		curr->comm, task_pid_nr(curr)); @@ -1488,7 +1489,7 @@ print_bad_irq_dependency(struct task_struct *curr,  	printk("======================================================\n");  	printk("[ INFO: %s-safe -> %s-unsafe lock order detected ]\n",  		irqclass, irqclass); -	print_kernel_version(); +	print_kernel_ident();  	printk("------------------------------------------------------\n");  	printk("%s/%d [HC%u[%lu]:SC%u[%lu]:HE%u:SE%u] is trying to acquire:\n",  		curr->comm, task_pid_nr(curr), @@ -1717,7 +1718,7 @@ print_deadlock_bug(struct task_struct *curr, struct held_lock *prev,  	printk("\n");  	printk("=============================================\n");  	printk("[ INFO: possible recursive locking detected ]\n"); -	print_kernel_version(); +	print_kernel_ident();  	printk("---------------------------------------------\n");  	printk("%s/%d is trying to acquire lock:\n",  		curr->comm, task_pid_nr(curr)); @@ -2224,7 +2225,7 @@ print_usage_bug(struct task_struct *curr, struct held_lock *this,  	printk("\n");  	printk("=================================\n");  	printk("[ INFO: inconsistent lock state ]\n"); -	print_kernel_version(); +	print_kernel_ident();  	printk("---------------------------------\n");  	printk("inconsistent {%s} -> {%s} usage.\n", @@ -2289,7 +2290,7 @@ print_irq_inversion_bug(struct task_struct *curr,  	printk("\n");  	printk("=========================================================\n");  	printk("[ INFO: possible irq lock inversion dependency detected ]\n"); -	print_kernel_version(); +	print_kernel_ident();  	printk("---------------------------------------------------------\n");  	printk("%s/%d just changed the state of lock:\n",  		curr->comm, task_pid_nr(curr)); @@ -3170,6 +3171,7 @@ print_unlock_inbalance_bug(struct task_struct *curr, struct lockdep_map *lock,  	printk("\n");  	printk("=====================================\n");  	printk("[ BUG: bad unlock balance detected! ]\n"); +	print_kernel_ident();  	printk("-------------------------------------\n");  	printk("%s/%d is trying to release lock (",  		curr->comm, task_pid_nr(curr)); @@ -3614,6 +3616,7 @@ print_lock_contention_bug(struct task_struct *curr, struct lockdep_map *lock,  	printk("\n");  	printk("=================================\n");  	printk("[ BUG: bad contention detected! ]\n"); +	print_kernel_ident();  	printk("---------------------------------\n");  	printk("%s/%d is trying to contend lock (",  		curr->comm, task_pid_nr(curr)); @@ -3988,6 +3991,7 @@ print_freed_lock_bug(struct task_struct *curr, const void *mem_from,  	printk("\n");  	printk("=========================\n");  	printk("[ BUG: held lock freed! ]\n"); +	print_kernel_ident();  	printk("-------------------------\n");  	printk("%s/%d is freeing memory %p-%p, with a lock still held there!\n",  		curr->comm, task_pid_nr(curr), mem_from, mem_to-1); @@ -4045,6 +4049,7 @@ static void print_held_locks_bug(struct task_struct *curr)  	printk("\n");  	printk("=====================================\n");  	printk("[ BUG: lock held at task exit time! ]\n"); +	print_kernel_ident();  	printk("-------------------------------------\n");  	printk("%s/%d is exiting with locks still held!\n",  		curr->comm, task_pid_nr(curr)); @@ -4142,6 +4147,7 @@ void lockdep_sys_exit(void)  		printk("\n");  		printk("================================================\n");  		printk("[ BUG: lock held when returning to user space! ]\n"); +		print_kernel_ident();  		printk("------------------------------------------------\n");  		printk("%s/%d is leaving the kernel with locks still held!\n",  				curr->comm, curr->pid); @@ -4161,6 +4167,7 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s)  	printk("\n");  	printk("===============================\n");  	printk("[ INFO: suspicious RCU usage. ]\n"); +	print_kernel_ident();  	printk("-------------------------------\n");  	printk("%s:%d %s!\n", file, line, s);  	printk("\nother info that might help us debug this:\n\n"); diff --git a/kernel/rtmutex-debug.c b/kernel/rtmutex-debug.c index 8eafd1bd273..16502d3a71c 100644 --- a/kernel/rtmutex-debug.c +++ b/kernel/rtmutex-debug.c @@ -101,6 +101,7 @@ void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter)  	printk("\n============================================\n");  	printk(  "[ BUG: circular locking deadlock detected! ]\n"); +	printk("%s\n", print_tainted());  	printk(  "--------------------------------------------\n");  	printk("%s/%d is deadlocking current task %s/%d\n\n",  	       task->comm, task_pid_nr(task),  |