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| author |   Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:06:05 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:58 -0800 |
| commit | ab03591db110e8d195d381a68692eb37da981cdf (patch) | |
| tree | 2ebf699572844388ee9a12407e31d2915a399cb5 /include/asm-ia64/thread_info.h | |
| parent | [PATCH] cris: task_thread_info() (diff) | |
| download | linux-dev-ab03591db110e8d195d381a68692eb37da981cdf.tar.xz linux-dev-ab03591db110e8d195d381a68692eb37da981cdf.zip | |
[PATCH] ia64: task_thread_info()
on ia64 thread_info is at the constant offset from task_struct and stack
is embedded into the same beast. Set __HAVE_THREAD_FUNCTIONS, made
task_thread_info() just add a constant.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-ia64/thread_info.h')
| -rw-r--r-- | include/asm-ia64/thread_info.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h index 171b2207bde4..653bb7f9a753 100644 --- a/include/asm-ia64/thread_info.h +++ b/include/asm-ia64/thread_info.h @@ -57,11 +57,20 @@ struct thread_info { /* how to get the thread information struct from C */ #define current_thread_info() ((struct thread_info *) ((char *) current + IA64_TASK_SIZE)) #define alloc_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE)) +#define task_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE)) #else #define current_thread_info() ((struct thread_info *) 0) #define alloc_thread_info(tsk) ((struct thread_info *) 0) +#define task_thread_info(tsk) ((struct thread_info *) 0) #endif #define free_thread_info(ti) /* nothing */ +#define task_stack_page(tsk) ((void *)(tsk)) + +#define __HAVE_THREAD_FUNCTIONS +#define setup_thread_stack(p, org) \ + *task_thread_info(p) = *task_thread_info(org); \ + task_thread_info(p)->task = (p); +#define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET) #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR #define alloc_task_struct() ((task_t *)__get_free_pages(GFP_KERNEL, KERNEL_STACK_SIZE_ORDER)) |