From: Jan Beulich <jbeulich@novell.com>
Date: Sat, 25 Mar 2006 15:29:22 +0000 (+0100)
Subject: [PATCH] x86_64: eliminate set_debug()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2b514e74f4e59e3b8e54891580fef2c9ff6c7bd0;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[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>
---

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 */