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authorThomas Gleixner <tglx@linutronix.de>2012-05-05 15:05:45 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-05-08 14:08:45 +0200
commitc03a6a7ba6f456663e4b254cdde460b24c0852e1 (patch)
tree65946bd5107fd3d0d738bc31ce8679d6d0dea58d
parent96c951179736eb59c5f66de2ac85af9e7a6a8b15 (diff)
downloadlinux-linaro-stable-c03a6a7ba6f456663e4b254cdde460b24c0852e1.tar.gz
mn10300: Use common threadinfo allocator
Let the core code allocate and handle the kgdb cleanup with the arch_release_thread_info() function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Howells <dhowells@redhat.com> Link: http://lkml.kernel.org/r/20120505150141.996582377@linutronix.de
-rw-r--r--arch/mn10300/include/asm/thread_info.h17
-rw-r--r--arch/mn10300/kernel/kgdb.c3
2 files changed, 4 insertions, 16 deletions
diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h
index 28cf52100baa..08251d6f6b11 100644
--- a/arch/mn10300/include/asm/thread_info.h
+++ b/arch/mn10300/include/asm/thread_info.h
@@ -20,8 +20,10 @@
#ifdef CONFIG_4KSTACKS
#define THREAD_SIZE (4096)
+#define THREAD_SIZE_ORDER (0)
#else
#define THREAD_SIZE (8192)
+#define THREAD_SIZE_ORDER (1)
#endif
#define STACK_WARN (THREAD_SIZE / 8)
@@ -120,21 +122,8 @@ static inline unsigned long current_stack_pointer(void)
return sp;
}
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info_node(tsk, node) \
- kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
-#else
-#define alloc_thread_info_node(tsk, node) \
- kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
-#endif
-
#ifndef CONFIG_KGDB
-#define free_thread_info(ti) kfree((ti))
-#else
-extern void free_thread_info(struct thread_info *);
+void arch_release_thread_info(struct thread_info *ti)
#endif
#define get_thread_info(ti) get_task_struct((ti)->task)
#define put_thread_info(ti) put_task_struct((ti)->task)
diff --git a/arch/mn10300/kernel/kgdb.c b/arch/mn10300/kernel/kgdb.c
index f6c981db2a36..99770823451a 100644
--- a/arch/mn10300/kernel/kgdb.c
+++ b/arch/mn10300/kernel/kgdb.c
@@ -397,7 +397,7 @@ static bool kgdb_arch_undo_singlestep(struct pt_regs *regs)
* single-step state is cleared. At this point the breakpoints should have
* been removed by __switch_to().
*/
-void free_thread_info(struct thread_info *ti)
+void arch_release_thread_info(struct thread_info *ti)
{
if (kgdb_sstep_thread == ti) {
kgdb_sstep_thread = NULL;
@@ -407,7 +407,6 @@ void free_thread_info(struct thread_info *ti)
* so force immediate reentry */
kgdb_breakpoint();
}
- kfree(ti);
}
/*