1 files changed, 32 insertions, 67 deletions

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index aa9088c26931..4fa7dcceb6c0 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -14,13 +14,13 @@ struct mm_struct;
 #include <asm/sigcontext.h>
 #include <asm/current.h>
 #include <asm/cpufeature.h>
-#include <asm/system.h>
 #include <asm/page.h>
 #include <asm/pgtable_types.h>
 #include <asm/percpu.h>
 #include <asm/msr.h>
 #include <asm/desc_defs.h>
 #include <asm/nops.h>
+#include <asm/special_insns.h>
 
 #include <linux/personality.h>
 #include <linux/cpumask.h>
@@ -29,6 +29,15 @@ struct mm_struct;
 #include <linux/math64.h>
 #include <linux/init.h>
 #include <linux/err.h>
+#include <linux/irqflags.h>
+
+/*
+ * We handle most unaligned accesses in hardware.  On the other hand
+ * unaligned DMA can be quite expensive on some Nehalem processors.
+ *
+ * Based on this we disable the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN    0
 
 #define HBP_NUM 4
 /*
@@ -162,6 +171,7 @@ extern void early_cpu_init(void);
 extern void identify_boot_cpu(void);
 extern void identify_secondary_cpu(struct cpuinfo_x86 *);
 extern void print_cpu_info(struct cpuinfo_x86 *);
+void print_cpu_msr(struct cpuinfo_x86 *);
 extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
 extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern unsigned short num_cache_leaves;
@@ -374,6 +384,8 @@ union thread_xstate {
 };
 
 struct fpu {
+        unsigned int last_cpu;
+        unsigned int has_fpu;
         union thread_xstate *state;
 };
 
@@ -451,7 +463,7 @@ struct thread_struct {
         unsigned long           ptrace_dr7;
         /* Fault info: */
         unsigned long           cr2;
-        unsigned long           trap_no;
+        unsigned long           trap_nr;
         unsigned long           error_code;
         /* floating point and extended processor state */
         struct fpu              fpu;
@@ -472,61 +484,6 @@ struct thread_struct {
         unsigned                io_bitmap_max;
 };
 
-static inline unsigned long native_get_debugreg(int regno)
-{
-        unsigned long val = 0;  /* Damn you, gcc! */
-
-        switch (regno) {
-        case 0:
-                asm("mov %%db0, %0" :"=r" (val));
-                break;
-        case 1:
-                asm("mov %%db1, %0" :"=r" (val));
-                break;
-        case 2:
-                asm("mov %%db2, %0" :"=r" (val));
-                break;
-        case 3:
-                asm("mov %%db3, %0" :"=r" (val));
-                break;
-        case 6:
-                asm("mov %%db6, %0" :"=r" (val));
-                break;
-        case 7:
-                asm("mov %%db7, %0" :"=r" (val));
-                break;
-        default:
-                BUG();
-        }
-        return val;
-}
-
-static inline void native_set_debugreg(int regno, unsigned long value)
-{
-        switch (regno) {
-        case 0:
-                asm("mov %0, %%db0"     ::"r" (value));
-                break;
-        case 1:
-                asm("mov %0, %%db1"     ::"r" (value));
-                break;
-        case 2:
-                asm("mov %0, %%db2"     ::"r" (value));
-                break;
-        case 3:
-                asm("mov %0, %%db3"     ::"r" (value));
-                break;
-        case 6:
-                asm("mov %0, %%db6"     ::"r" (value));
-                break;
-        case 7:
-                asm("mov %0, %%db7"     ::"r" (value));
-                break;
-        default:
-                BUG();
-        }
-}
-
 /*
  * Set IOPL bits in EFLAGS from given mask
  */
@@ -572,14 +529,6 @@ static inline void native_swapgs(void)
 #define __cpuid                 native_cpuid
 #define paravirt_enabled()      0
 
-/*
- * These special macros can be used to get or set a debugging register
- */
-#define get_debugreg(var, register)                             \
-        (var) = native_get_debugreg(register)
-#define set_debugreg(value, register)                           \
-        native_set_debugreg(register, value)
-
 static inline void load_sp0(struct tss_struct *tss,
                             struct thread_struct *thread)
 {
@@ -924,9 +873,9 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 #define IA32_PAGE_OFFSET        ((current->personality & ADDR_LIMIT_3GB) ? \
                                         0xc0000000 : 0xFFFFe000)
 
-#define TASK_SIZE               (test_thread_flag(TIF_IA32) ? \
+#define TASK_SIZE               (test_thread_flag(TIF_ADDR32) ? \
                                         IA32_PAGE_OFFSET : TASK_SIZE_MAX)
-#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_IA32)) ? \
+#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_ADDR32)) ? \
                                         IA32_PAGE_OFFSET : TASK_SIZE_MAX)
 
 #define STACK_TOP               TASK_SIZE
@@ -948,6 +897,12 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 
 #define task_pt_regs(tsk)       ((struct pt_regs *)(tsk)->thread.sp0 - 1)
 extern unsigned long KSTK_ESP(struct task_struct *task);
+
+/*
+ * User space RSP while inside the SYSCALL fast path
+ */
+DECLARE_PER_CPU(unsigned long, old_rsp);
+
 #endif /* CONFIG_X86_64 */
 
 extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
@@ -1019,4 +974,14 @@ extern bool cpu_has_amd_erratum(const int *);
 #define cpu_has_amd_erratum(x)  (false)
 #endif /* CONFIG_CPU_SUP_AMD */
 
+void cpu_idle_wait(void);
+
+extern unsigned long arch_align_stack(unsigned long sp);
+extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
+
+void default_idle(void);
+bool set_pm_idle_to_default(void);
+
+void stop_this_cpu(void *dummy);
+
 #endif /* _ASM_X86_PROCESSOR_H */