[ACPI] merge 3549 4320 4485 4588 4980 5483 5651 acpica asus fops pnpacpi branches...

[linux-beck.git] / include / asm-ia64 / system.h

diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index cd2cf76b2db1d77cb22a69f928f96c4a74d1c59c..80c5a234e2599c90006de76e27b47f49b6197ade 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__
@@ -218,14 +219,14 @@ extern void ia64_load_extra (struct task_struct *task);
 
 #define IA64_HAS_EXTRA_STATE(t)                                                        \
        ((t)->thread.flags & (IA64_THREAD_DBG_VALID|IA64_THREAD_PM_VALID)       \
-        || IS_IA32_PROCESS(ia64_task_regs(t)) || PERFMON_IS_SYSWIDE())
+        || IS_IA32_PROCESS(task_pt_regs(t)) || PERFMON_IS_SYSWIDE())
 
 #define __switch_to(prev,next,last) do {                                                        \
        if (IA64_HAS_EXTRA_STATE(prev))                                                          \
                ia64_save_extra(prev);                                                           \
        if (IA64_HAS_EXTRA_STATE(next))                                                          \
                ia64_load_extra(next);                                                           \
-       ia64_psr(ia64_task_regs(next))->dfh = !ia64_is_local_fpu_owner(next);                    \
+       ia64_psr(task_pt_regs(next))->dfh = !ia64_is_local_fpu_owner(next);                      \
        (last) = ia64_switch_to((next));                                                         \
 } while (0)
 
@@ -237,8 +238,8 @@ extern void ia64_load_extra (struct task_struct *task);
  * the latest fph state from another CPU.  In other words: eager save, lazy restore.
  */
 # define switch_to(prev,next,last) do {                                                \
-       if (ia64_psr(ia64_task_regs(prev))->mfh && ia64_is_local_fpu_owner(prev)) {                             \
-               ia64_psr(ia64_task_regs(prev))->mfh = 0;                        \
+       if (ia64_psr(task_pt_regs(prev))->mfh && ia64_is_local_fpu_owner(prev)) {                               \
+               ia64_psr(task_pt_regs(prev))->mfh = 0;                  \
                (prev)->thread.flags |= IA64_THREAD_FPH_VALID;                  \
                __ia64_save_fpu((prev)->thread.fph);                            \
        }                                                                       \
@@ -274,9 +275,11 @@ extern void ia64_load_extra (struct task_struct *task);
  */
 #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);
+void sched_cacheflush(void);
 
 #define arch_align_stack(x) (x)