int preempt_count; /* 0 => preemptable,
<0 => BUG */
struct restart_block restart_block;
- /* set by force_successful_syscall_return */
- unsigned char syscall_noerror;
+ void *nvgprs_frame;
/* low level flags - has atomic operations done on it */
unsigned long flags ____cacheline_aligned_in_smp;
};
/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_INFO_GFP GFP_KERNEL | __GFP_ZERO
-#else
-#define THREAD_INFO_GFP GFP_KERNEL
-#endif
-
#if THREAD_SHIFT >= PAGE_SHIFT
#define THREAD_ORDER (THREAD_SHIFT - PAGE_SHIFT)
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk) \
+ ((struct thread_info *)__get_free_pages(GFP_KERNEL | \
+ __GFP_ZERO, THREAD_ORDER))
+#else
#define alloc_thread_info(tsk) \
- ((struct thread_info *)__get_free_pages(THREAD_INFO_GFP, THREAD_ORDER))
+ ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_ORDER))
+#endif
#define free_thread_info(ti) free_pages((unsigned long)ti, THREAD_ORDER)
#else /* THREAD_SHIFT < PAGE_SHIFT */
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, THREAD_INFO_GFP)
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
+#else
+#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#endif
#define free_thread_info(ti) kfree(ti)
#endif /* THREAD_SHIFT < PAGE_SHIFT */
-#define get_thread_info(ti) get_task_struct((ti)->task)
-#define put_thread_info(ti) put_task_struct((ti)->task)
-
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
#define TIF_SINGLESTEP 9 /* singlestepping active */
#define TIF_MEMDIE 10
#define TIF_SECCOMP 11 /* secure computing */
+#define TIF_RESTOREALL 12 /* Restore all regs (implies NOERROR) */
+#define TIF_SAVE_NVGPRS 13 /* Save r14-r31 in signal frame */
+#define TIF_NOERROR 14 /* Force successful syscall return */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
+#define _TIF_RESTOREALL (1<<TIF_RESTOREALL)
+#define _TIF_SAVE_NVGPRS (1<<TIF_SAVE_NVGPRS)
+#define _TIF_NOERROR (1<<TIF_NOERROR)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
#define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
- _TIF_NEED_RESCHED)
+ _TIF_NEED_RESCHED | _TIF_RESTOREALL)
+#define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR|_TIF_SAVE_NVGPRS)
#endif /* __KERNEL__ */