[PATCH] __user annotations (scsi/ch)

[linux-2.6] / include / asm-x86_64 / processor.h

diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 8b55f139968fc3bd730502eb800182ea95ef139d..a8321999448f840e256d142a3cf2a62cd62db120 100644 (file)
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -32,7 +32,7 @@
 #define ID_MASK                0x00200000
 
 #define desc_empty(desc) \
-               (!((desc)->a + (desc)->b))
+               (!((desc)->a | (desc)->b))
 
 #define desc_equal(desc1, desc2) \
                (((desc1)->a == (desc2)->a) && ((desc1)->b == (desc2)->b))
@@ -280,6 +280,14 @@ struct thread_struct {
        set_fs(USER_DS);                                                         \
 } while(0) 
 
+#define get_debugreg(var, register)                            \
+               __asm__("movq %%db" #register ", %0"            \
+                       :"=r" (var))
+#define set_debugreg(value, register)                  \
+               __asm__("movq %0,%%db" #register                \
+                       : /* no output */                       \
+                       :"r" (value))
+
 struct task_struct;
 struct mm_struct;
 
@@ -390,7 +398,7 @@ static inline void prefetch(void *x)
 #define ARCH_HAS_PREFETCHW 1
 static inline void prefetchw(void *x) 
 { 
-       alternative_input(ASM_NOP5,
+       alternative_input("prefetcht0 (%1)",
                          "prefetchw (%1)",
                          X86_FEATURE_3DNOW,
                          "r" (x));
@@ -429,6 +437,11 @@ static inline void prefetchw(void *x)
        outb((data), 0x23); \
 } while (0)
 
+static inline void serialize_cpu(void)
+{
+       __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
+}
+
 static inline void __monitor(const void *eax, unsigned long ecx,
                unsigned long edx)
 {