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Subject[patch 12/18] 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>
---
arch/mn10300/include/asm/thread_info.h | 17 +++--------------
arch/mn10300/kernel/kgdb.c | 3 +--
2 files changed, 4 insertions(+), 16 deletions(-)

Index: tip/arch/mn10300/include/asm/thread_info.h
===================================================================
--- tip.orig/arch/mn10300/include/asm/thread_info.h
+++ tip/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_stac
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)
Index: tip/arch/mn10300/kernel/kgdb.c
===================================================================
--- tip.orig/arch/mn10300/kernel/kgdb.c
+++ tip/arch/mn10300/kernel/kgdb.c
@@ -397,7 +397,7 @@ static bool kgdb_arch_undo_singlestep(st
* 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
* so force immediate reentry */
kgdb_breakpoint();
}
- kfree(ti);
}

/*



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