xtensa: Autogenerate offsets in struct thread_info

Maintaining offsets by hand is no fun.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Richard Weinberger <richard@nod.at>

2 files changed, 8 insertions, 11 deletions

diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index a9b5d3ba196c..baa1f279f59f 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -61,17 +61,6 @@ struct thread_info {
         xtregs_user_t           xtregs_user;
 };
 
-#else /* !__ASSEMBLY__ */
-
-/* offsets into the thread_info struct for assembly code access */
-#define TI_TASK          0x00000000
-#define TI_EXEC_DOMAIN   0x00000004
-#define TI_FLAGS         0x00000008
-#define TI_STATUS        0x0000000C
-#define TI_CPU           0x00000010
-#define TI_PRE_COUNT     0x00000014
-#define TI_ADDR_LIMIT    0x00000018
-
 #endif
 
 /*
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 1915c7c889ba..b123ace3b67c 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -77,6 +77,14 @@ int main(void)
         DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));
         DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
 
+        /* offsets in thread_info struct */
+        OFFSET(TI_TASK, thread_info, task);
+        OFFSET(TI_FLAGS, thread_info, flags);
+        OFFSET(TI_STSTUS, thread_info, status);
+        OFFSET(TI_CPU, thread_info, cpu);
+        OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
+        OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
+
         /* struct thread_info (offset from start_struct) */
         DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
         DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));