Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[pandora-kernel.git] / include / asm-alpha / system.h
index 050e86d..03e9c0e 100644 (file)
@@ -1,7 +1,6 @@
 #ifndef __ALPHA_SYSTEM_H
 #define __ALPHA_SYSTEM_H
 
-#include <linux/config.h>
 #include <asm/pal.h>
 #include <asm/page.h>
 #include <asm/barrier.h>
@@ -131,15 +130,25 @@ struct el_common_EV6_mcheck {
 extern void halt(void) __attribute__((noreturn));
 #define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))
 
-#define switch_to(P,N,L)                                               \
-  do {                                                                 \
-    (L) = alpha_switch_to(virt_to_phys(&(N)->thread_info->pcb), (P));  \
-    check_mmu_context();                                               \
+#define switch_to(P,N,L)                                                \
+  do {                                                                  \
+    (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \
+    check_mmu_context();                                                \
   } while (0)
 
 struct task_struct;
 extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*);
 
+/*
+ * On SMP systems, when the scheduler does migration-cost autodetection,
+ * it needs a way to flush as much of the CPU's caches as possible.
+ *
+ * TODO: fill this in!
+ */
+static inline void sched_cacheflush(void)
+{
+}
+
 #define imb() \
 __asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
 
@@ -562,7 +571,7 @@ __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
    if something tries to do an invalid cmpxchg().  */
 extern void __cmpxchg_called_with_bad_pointer(void);
 
-static inline unsigned long
+static __always_inline unsigned long
 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 {
        switch (size) {