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authorRobert P. J. Day <rpjday@crashcourse.ca>2008-04-24 09:02:00 +0800
committerBryan Wu <cooloney@kernel.org>2008-04-24 09:02:00 +0800
commit18628e4375264edb53e6d9aaaf91f1a480019304 (patch)
treeb6a630f26456c892295c41ccdd8e65ae5b497837
parent2d191233882a031304f41cfc6abfb70536780645 (diff)
[Blackfin] arch: Clean up the definition and correct the commentary for current_thread_info().
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-rw-r--r--include/asm-blackfin/thread_info.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h
index 15b99cf4f50..bc2fe5accf2 100644
--- a/include/asm-blackfin/thread_info.h
+++ b/include/asm-blackfin/thread_info.h
@@ -81,14 +81,11 @@ struct thread_info {
#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
-/* How to get the thread information struct from C */
-
-static inline struct thread_info *current_thread_info(void)
- __attribute__ ((__const__));
-
-/* Given a task stack pointer, you can find it's task structure
- * just by masking it to the 8K boundary.
+/* Given a task stack pointer, you can find its corresponding
+ * thread_info structure just by masking it to the THREAD_SIZE
+ * boundary (currently 8K as you can see above).
*/
+__attribute_const__
static inline struct thread_info *current_thread_info(void)
{
struct thread_info *ti;