diff options
Diffstat (limited to 'arch/tile/include/asm/thread_info.h')
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index bc4f562bd459..656c486e64fa 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -77,16 +77,14 @@ struct thread_info { #ifndef __ASSEMBLY__ +void arch_release_thread_info(struct thread_info *info); + /* How to get the thread information struct from C. */ register unsigned long stack_pointer __asm__("sp"); #define current_thread_info() \ ((struct thread_info *)(stack_pointer & -THREAD_SIZE)) -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR -extern struct thread_info *alloc_thread_info_node(struct task_struct *task, int node); -extern void free_thread_info(struct thread_info *info); - /* Sit on a nap instruction until interrupted. */ extern void smp_nap(void); @@ -100,9 +98,14 @@ extern void cpu_idle_on_new_stack(struct thread_info *old_ti, #else /* __ASSEMBLY__ */ -/* how to get the thread information struct from ASM */ +/* + * How to get the thread information struct from assembly. + * Note that we use different macros since different architectures + * have different semantics in their "mm" instruction and we would + * like to guarantee that the macro expands to exactly one instruction. + */ #ifdef __tilegx__ -#define GET_THREAD_INFO(reg) move reg, sp; mm reg, zero, LOG2_THREAD_SIZE, 63 +#define EXTRACT_THREAD_INFO(reg) mm reg, zero, LOG2_THREAD_SIZE, 63 #else #define GET_THREAD_INFO(reg) mm reg, sp, zero, LOG2_THREAD_SIZE, 31 #endif |