Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6.git] / include / linux / sched.h
index 34238bd..89115ec 100644 (file)
@@ -1426,17 +1426,17 @@ struct task_struct {
 #endif
 #ifdef CONFIG_TRACE_IRQFLAGS
        unsigned int irq_events;
-       int hardirqs_enabled;
        unsigned long hardirq_enable_ip;
-       unsigned int hardirq_enable_event;
        unsigned long hardirq_disable_ip;
+       unsigned int hardirq_enable_event;
        unsigned int hardirq_disable_event;
-       int softirqs_enabled;
+       int hardirqs_enabled;
+       int hardirq_context;
        unsigned long softirq_disable_ip;
-       unsigned int softirq_disable_event;
        unsigned long softirq_enable_ip;
+       unsigned int softirq_disable_event;
        unsigned int softirq_enable_event;
-       int hardirq_context;
+       int softirqs_enabled;
        int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP
@@ -2090,11 +2090,18 @@ static inline int is_si_special(const struct siginfo *info)
        return info <= SEND_SIG_FORCED;
 }
 
-/* True if we are on the alternate signal stack.  */
-
+/*
+ * True if we are on the alternate signal stack.
+ */
 static inline int on_sig_stack(unsigned long sp)
 {
-       return (sp - current->sas_ss_sp < current->sas_ss_size);
+#ifdef CONFIG_STACK_GROWSUP
+       return sp >= current->sas_ss_sp &&
+               sp - current->sas_ss_sp < current->sas_ss_size;
+#else
+       return sp > current->sas_ss_sp &&
+               sp - current->sas_ss_sp <= current->sas_ss_size;
+#endif
 }
 
 static inline int sas_ss_flags(unsigned long sp)