X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fasm-arm%2Fthread_info.h;h=eae85b09db2eb85f5c2136fb649fdc35fbabc033;hb=9b6a51746ffe8d619f1097675d2dc5e303470024;hp=8a7554f0398447af954cfb49049f96ac60d89b10;hpb=93fdf10d4c28edaa1b9f80e7f9c3002359186d00;p=mv-sheeva.git diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index 8a7554f0398..eae85b09db2 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -57,6 +57,7 @@ struct thread_info { __u32 cpu; /* cpu */ __u32 cpu_domain; /* cpu domain */ struct cpu_context_save cpu_context; /* cpu context */ + __u32 syscall; /* syscall number */ __u8 used_cp[16]; /* thread used copro */ unsigned long tp_value; struct crunch_state crunchstate; @@ -94,8 +95,18 @@ static inline struct thread_info *current_thread_info(void) return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); } -extern struct thread_info *alloc_thread_info(struct task_struct *task); -extern void free_thread_info(struct thread_info *); +/* thread information allocation */ +#ifdef CONFIG_DEBUG_STACK_USAGE +#define alloc_thread_info(tsk) \ + ((struct thread_info *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, \ + THREAD_SIZE_ORDER)) +#else +#define alloc_thread_info(tsk) \ + ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER)) +#endif + +#define free_thread_info(info) \ + free_pages((unsigned long)info, THREAD_SIZE_ORDER); #define thread_saved_pc(tsk) \ ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc))) @@ -111,6 +122,7 @@ extern void iwmmxt_task_disable(struct thread_info *); extern void iwmmxt_task_copy(struct thread_info *, void *); extern void iwmmxt_task_restore(struct thread_info *, void *); extern void iwmmxt_task_release(struct thread_info *); +extern void iwmmxt_task_switch(struct thread_info *); #endif @@ -136,6 +148,7 @@ extern void iwmmxt_task_release(struct thread_info *); #define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 +#define TIF_FREEZE 19 #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -143,6 +156,7 @@ extern void iwmmxt_task_release(struct thread_info *); #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) +#define _TIF_FREEZE (1 << TIF_FREEZE) /* * Change these and you break ASM code in entry-common.S