#define PREEMPT_ACTIVE 0x10000000
#if defined(CONFIG_4KSTACKS)
-#define THREAD_SIZE_ORDER (0)
-#elif defined(CONFIG_PAGE_SIZE_4KB)
-#define THREAD_SIZE_ORDER (1)
-#elif defined(CONFIG_PAGE_SIZE_8KB)
-#define THREAD_SIZE_ORDER (1)
-#elif defined(CONFIG_PAGE_SIZE_16KB)
-#define THREAD_SIZE_ORDER (0)
-#elif defined(CONFIG_PAGE_SIZE_64KB)
-#define THREAD_SIZE_ORDER (0)
+#define THREAD_SHIFT 12
#else
-#error "Unknown thread size"
+#define THREAD_SHIFT 13
#endif
-#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_SIZE (1 << THREAD_SHIFT)
#define STACK_WARN (THREAD_SIZE >> 3)
/*
return ti;
}
+/* thread information allocation */
+#if THREAD_SHIFT >= PAGE_SHIFT
+
+#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
+
+#else /* THREAD_SHIFT < PAGE_SHIFT */
+
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(ti) kzalloc(THREAD_SIZE, GFP_KERNEL)
-#else
-#define alloc_thread_info(ti) kmalloc(THREAD_SIZE, GFP_KERNEL)
-#endif
-#define free_thread_info(ti) kfree(ti)
+extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
+extern void free_thread_info(struct thread_info *ti);
+
+#endif /* THREAD_SHIFT < PAGE_SHIFT */
#endif /* __ASSEMBLY__ */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_RESTORE_SIGMASK 3 /* restore signal mask in do_signal() */
#define TIF_SINGLESTEP 4 /* singlestepping active */
-#define TIF_SYSCALL_AUDIT 5
+#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
+#define TIF_SECCOMP 6 /* secure computing */
+#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 18
-#define TIF_FREEZE 19
-
-#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
-#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
-#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
-#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_USEDFPU (1<<TIF_USEDFPU)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
-#define _TIF_FREEZE (1<<TIF_FREEZE)
-
-#define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */
-#define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */
+#define TIF_FREEZE 19 /* Freezing for suspend */
+
+#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
+#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
+#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
+#define _TIF_SECCOMP (1 << TIF_SECCOMP)
+#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+#define _TIF_USEDFPU (1 << TIF_USEDFPU)
+#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE (1 << TIF_FREEZE)
+
+/*
+ * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we
+ * blow the tst immediate size constraints and need to fix up
+ * arch/sh/kernel/entry-common.S.
+ */
+
+/* work to do in syscall trace */
+#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
+ _TIF_SYSCALL_AUDIT | _TIF_SECCOMP)
+
+/* work to do on any return to u-space */
+#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \
+ _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \
+ _TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \
+ _TIF_NOTIFY_RESUME)
+
+/* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
+ _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP))
#endif /* __KERNEL__ */