x86: unify current_text_addr

current_text_addr() has a different implementation in x86_64 and
i386, but it is not fundamentally different. I stick to the i386
implementation, that seem to be a common base, and move it to processor.h

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 52e3637..3deb5ba 100644 (file)
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -10,6 +10,17 @@ struct mm_struct;
 #include <asm/page.h>
 #include <asm/system.h>
 
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+static inline void *current_text_addr(void)
+{
+       void *pc;
+       asm volatile("mov $1f,%0\n1:":"=r" (pc));
+       return pc;
+}
+
 static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
                                         unsigned int *ecx, unsigned int *edx)
 {

diff --git a/include/asm-x86/processor_32.h b/include/asm-x86/processor_32.h
index 9e119d3..6cd2149 100644 (file)
--- a/include/asm-x86/processor_32.h
+++ b/include/asm-x86/processor_32.h
@@ -22,12 +22,6 @@
 #include <asm/desc_defs.h>
 
 /*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; })
-
-/*
  *  CPU type and hardware bug flags. Kept separately for each CPU.
  *  Members of this structure are referenced in head.S, so think twice
  *  before touching them. [mj]

diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 5f5c7fc..1984a4a 100644 (file)
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -21,12 +21,6 @@
 #include <asm/desc_defs.h>
 
 /*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ void *pc; asm volatile("leaq 1f(%%rip),%0\n1:":"=r"(pc)); pc; })
-
-/*
  *  CPU type and hardware bug flags. Kept separately for each CPU.
  */