From: H. Peter Anvin <hpa@zytor.com>
Date: Wed, 8 Jun 2016 19:38:43 +0000 (-0700)
Subject: x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h>
X-Git-Tag: v4.8-rc1~180^2~15^2~13
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=64be6d36f5674f3424d1901772f76e21874f4954;p=linux.git

x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h>

Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/percpu.h>.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1465414726-197858-8-git-send-email-hpa@linux.intel.com
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---

diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 184d7f3ecb9f..e02e3f80d363 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -511,8 +511,9 @@ do {									\
 #define x86_test_and_clear_bit_percpu(bit, var)				\
 ({									\
 	bool old__;							\
-	asm volatile("btr %2,"__percpu_arg(1)"\n\tsetc %0"		\
-		     : "=qm" (old__), "+m" (var)			\
+	asm volatile("btr %2,"__percpu_arg(1)"\n\t"			\
+		     CC_SET(c)						\
+		     : CC_OUT(c) (old__), "+m" (var)			\
 		     : "dIr" (bit));					\
 	old__;								\
 })
@@ -535,8 +536,8 @@ static inline bool x86_this_cpu_variable_test_bit(int nr,
 	bool oldbit;
 
 	asm volatile("bt "__percpu_arg(2)",%1\n\t"
-			"setc %0"
-			: "=qm" (oldbit)
+			CC_SET(c)
+			: CC_OUT(c) (oldbit)
 			: "m" (*(unsigned long *)addr), "Ir" (nr));
 
 	return oldbit;