Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-block.git] / arch / x86 / include / asm / processor.h

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index f6d0d2eb0832dd41686067d8d1259e642351fcd2..7284c9a6a0b531c29132a475b0429046787de742 100644 (file)
--- 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;
@@ -474,61 +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
  */
@@ -574,14 +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)
 {
@@ -1027,4 +974,24 @@ extern bool cpu_has_amd_erratum(const int *);
 #define cpu_has_amd_erratum(x) (false)
 #endif /* CONFIG_CPU_SUP_AMD */
 
+#ifdef CONFIG_X86_32
+/*
+ * disable hlt during certain critical i/o operations
+ */
+#define HAVE_DISABLE_HLT
+#endif
+
+void disable_hlt(void);
+void enable_hlt(void);
+
+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 */