[PATCH] ppc32: remove hardcoded offsets from ppc asm

This patch by Vincent Hanquez removes some hard coded offsets for accessing
thread info fields from assembly, uses the normal offset generation
mecanism that we already have for other things instead.
Signed-off-by: Vincent Hanquez <tab@snarc.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/kernel/asm-offsets.c

@@ -129,6 +129,13 @@ main(void)
 	DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
 	DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
 
+	DEFINE(TI_TASK, offsetof(struct thread_info, task));
+	DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
+	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
+	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
+	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
+
 	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
 	return 0;
 }

include/asm-ppc/thread_info.h

@@ -65,16 +65,6 @@ static inline struct thread_info *current_thread_info(void)
  */
 #define THREAD_SIZE		8192	/* 2 pages */
 
-/*
- * Offsets in thread_info structure, used in assembly code
- */
-#define TI_TASK		0
-#define TI_EXECDOMAIN	4
-#define TI_FLAGS	8
-#define TI_LOCAL_FLAGS	12
-#define TI_CPU		16
-#define TI_PREEMPT	20
-
 #define PREEMPT_ACTIVE		0x4000000
 
 /*