diff options
| author | Thomas Gleixner <tglx@tglx.tec.linutronix.de> | 2005-06-26 23:20:36 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-06-26 23:20:36 +0200 |
| commit | 7ca6448dbfb398bba36eda3c01bc14b86c3675be (patch) | |
| tree | 82d934ebf07f22a2c64c3b6d82ec24082878b43a /include/asm-um/thread_info.h | |
| parent | f1f67a9874f1a4bba1adff6d694aa52e5f52ff1a (diff) | |
| parent | 7d681b23d6cc14a8c026ea6756242cb522cbbcae (diff) | |
Merge with rsync://fileserver/linux
Update to Linus latest
Diffstat (limited to 'include/asm-um/thread_info.h')
| -rw-r--r-- | include/asm-um/thread_info.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h index a10ea155907..97267f059ef 100644 --- a/include/asm-um/thread_info.h +++ b/include/asm-um/thread_info.h @@ -17,7 +17,7 @@ struct thread_info { struct exec_domain *exec_domain; /* execution domain */ unsigned long flags; /* low level flags */ __u32 cpu; /* current CPU */ - __s32 preempt_count; /* 0 => preemptable, + int preempt_count; /* 0 => preemptable, <0 => BUG */ mm_segment_t addr_limit; /* thread address space: 0-0xBFFFFFFF for user @@ -41,18 +41,17 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) +#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) /* how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; - unsigned long mask = PAGE_SIZE * - (1 << CONFIG_KERNEL_STACK_ORDER) - 1; - ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); + unsigned long mask = THREAD_SIZE - 1; + ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); return ti; } /* thread information allocation */ -#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) #define alloc_thread_info(tsk) \ ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL)) #define free_thread_info(ti) kfree(ti) @@ -62,7 +61,7 @@ static inline struct thread_info *current_thread_info(void) #endif -#define PREEMPT_ACTIVE 0x4000000 +#define PREEMPT_ACTIVE 0x10000000 #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ |