Merge http://oss.oracle.com/git/ocfs2

[linux-2.6-omap-h63xx.git] / include / asm-ia64 / system.h

diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 6f516e76d1f0cf0947d99fa6d429f01657343791..635235fa1e32606c5955653bed40d0a77cb4899c 100644 (file)
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -19,12 +19,13 @@
 #include <asm/pal.h>
 #include <asm/percpu.h>
 
-#define GATE_ADDR              __IA64_UL_CONST(0xa000000000000000)
+#define GATE_ADDR              RGN_BASE(RGN_GATE)
+
 /*
  * 0xa000000000000000+2*PERCPU_PAGE_SIZE
  * - 0xa000000000000000+3*PERCPU_PAGE_SIZE remain unmapped (guard page)
  */
-#define KERNEL_START            __IA64_UL_CONST(0xa000000100000000)
+#define KERNEL_START            (GATE_ADDR+0x100000000)
 #define PERCPU_ADDR            (-PERCPU_PAGE_SIZE)
 
 #ifndef __ASSEMBLY__
@@ -183,8 +184,6 @@ do {                                                                \
 
 #ifdef __KERNEL__
 
-#define prepare_to_switch()    do { } while(0)
-
 #ifdef CONFIG_IA32_SUPPORT
 # define IS_IA32_PROCESS(regs) (ia64_psr(regs)->is != 0)
 #else
@@ -274,14 +273,9 @@ extern void ia64_load_extra (struct task_struct *task);
  * of that CPU which will not be released, because there we wait for the
  * tasklist_lock to become available.
  */
-#define prepare_arch_switch(rq, next)          \
-do {                                           \
-       spin_lock(&(next)->switch_lock);        \
-       spin_unlock(&(rq)->lock);               \
-} while (0)
-#define finish_arch_switch(rq, prev)   spin_unlock_irq(&(prev)->switch_lock)
-#define task_running(rq, p)            ((rq)->curr == (p) || spin_is_locked(&(p)->switch_lock))
+#define __ARCH_WANT_UNLOCKED_CTXSW
 
+#define ARCH_HAS_PREFETCH_SWITCH_STACK
 #define ia64_platform_is(x) (strcmp(x, platform_name) == 0)
 
 void cpu_idle_wait(void);