[PATCH] x86_64: eliminate set_debug()

For consistency and to have only a single place of definition, replace
set_debug() uses with set_debugreg(), and eliminate the definition of
thj former.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 8 insertions, 16 deletions

diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 80a8f3079178..0cb93abbf564 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -508,7 +508,7 @@ out:
 /*
  * This special macro can be used to load a debugging register
  */
-#define loaddebug(thread,r) set_debug(thread->debugreg ## r, r)
+#define loaddebug(thread,r) set_debugreg(thread->debugreg ## r, r)
 
 /*
  *      switch_to(x,y) should switch tasks from x to y.
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 349d55c2ac4e..044587812b05 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -281,12 +281,12 @@ void __cpuinit cpu_init (void)
          * Clear all 6 debug registers:
          */
 
-        set_debug(0UL, 0);
-        set_debug(0UL, 1);
-        set_debug(0UL, 2);
-        set_debug(0UL, 3);
-        set_debug(0UL, 6);
-        set_debug(0UL, 7);
+        set_debugreg(0UL, 0);
+        set_debugreg(0UL, 1);
+        set_debugreg(0UL, 2);
+        set_debugreg(0UL, 3);
+        set_debugreg(0UL, 6);
+        set_debugreg(0UL, 7);
 
         fpu_init(); 
 }
diff --git a/include/asm-x86_64/suspend.h b/include/asm-x86_64/suspend.h
index bb9f40597d09..bc7f81715e5e 100644
--- a/include/asm-x86_64/suspend.h
+++ b/include/asm-x86_64/suspend.h
@@ -39,9 +39,7 @@ extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, sa
 extern unsigned long saved_context_eflags;
 
 #define loaddebug(thread,register) \
-               __asm__("movq %0,%%db" #register  \
-                       : /* no output */ \
-                       :"r" ((thread)->debugreg##register))
+        set_debugreg((thread)->debugreg##register, register)
 
 extern void fix_processor_context(void);
 
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index b7f66034ae7a..397598980228 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -70,12 +70,6 @@ extern void load_gs_index(unsigned);
                 ".previous"                     \
                 : :"r" (value), "r" (0))
 
-#define set_debug(value,register) \
-                __asm__("movq %0,%%db" #register  \
-                : /* no output */ \
-                :"r" ((unsigned long) value))
-
-
 #ifdef __KERNEL__
 struct alt_instr { 
         __u8 *instr;            /* original instruction */