x86_64: support poll() on /dev/mcelog

[linux-2.6-omap-h63xx.git] / include / asm-arm / system.h

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index f2da3b6e3a837e89369625fd6c6cd4f113e9212b..94ea8c6dc1a4485014fd9bb8fbd7c29078e69696 100644 (file)
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -14,6 +14,7 @@
 #define CPU_ARCH_ARMv5TE       6
 #define CPU_ARCH_ARMv5TEJ      7
 #define CPU_ARCH_ARMv6         8
+#define CPU_ARCH_ARMv7         9
 
 /*
  * CR1 bits (CP#15 CR1)
@@ -155,7 +156,11 @@ extern unsigned int user_debug;
 #define vectors_high() (0)
 #endif
 
-#if defined(CONFIG_CPU_XSC3) || __LINUX_ARM_ARCH__ >= 6
+#if __LINUX_ARM_ARCH__ >= 7
+#define isb() __asm__ __volatile__ ("isb" : : : "memory")
+#define dsb() __asm__ __volatile__ ("dsb" : : : "memory")
+#define dmb() __asm__ __volatile__ ("dmb" : : : "memory")
+#elif defined(CONFIG_CPU_XSC3) || __LINUX_ARM_ARCH__ == 6
 #define isb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" \
                                    : : "r" (0) : "memory")
 #define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \
@@ -249,16 +254,6 @@ do {                                                                       \
        last = __switch_to(prev,task_thread_info(prev), task_thread_info(next));        \
 } while (0)
 
-/*
- * 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)
-{
-}
-
 #if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
 /*
  * On the StrongARM, "swp" is terminally broken since it bypasses the