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| author |   Mike Frysinger <michael.frysinger@analog.com> | 2007-07-25 10:25:29 +0800 |
|---|---|---|
| committer |   Bryan Wu <bryan.wu@analog.com> | 2007-07-25 10:25:29 +0800 |
| commit | 12a7991180f44e7d993a3a0a442890fc3de67f57 (patch) | |
| tree | 192eee98be341a9eb066f00a8fa611b4b5abad86 | |
| parent | Blackfin arch: fix bug which unaligns the init thread's stack and causes the current macro to fail. (diff) | |
| download | linux-dev-12a7991180f44e7d993a3a0a442890fc3de67f57.tar.xz linux-dev-12a7991180f44e7d993a3a0a442890fc3de67f57.zip | |
Blackfin arch: switch to using proper defines this time THREAD_SIZE and PAGE_SIZE instead of just PAGE_SIZE everywhere
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| -rw-r--r-- | include/asm-blackfin/thread_info.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h index fa8f08cf283e..34d3c2eec949 100644 --- a/include/asm-blackfin/thread_info.h +++ b/include/asm-blackfin/thread_info.h @@ -39,6 +39,11 @@ */ #define ALIGN_PAGE_MASK 0xffffe000 +/* + * Size of kernel stack for each process. This must be a power of 2... + */ +#define THREAD_SIZE 8192 /* 2 pages */ + #ifndef __ASSEMBLY__ typedef unsigned long mm_segment_t; @@ -76,11 +81,6 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) -/* - * Size of kernel stack for each process. This must be a power of 2... - */ -#define THREAD_SIZE 8192 /* 2 pages */ - /* How to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) @@ -94,7 +94,7 @@ static inline struct thread_info *current_thread_info(void) struct thread_info *ti; __asm__("%0 = sp;": "=&d"(ti): ); - return (struct thread_info *)((long)ti & ~8191UL); + return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1)); } /* thread information allocation */ |