s390: correct some inline assembly constraints

Inline assembly code changed in this patch should really use "Q"
constraint "Memory reference without index register and with short
displacement". The kernel does not compile with kasan support enabled
otherwise (due to stack instrumentation).
Signed-off-by: NVasily Gorbik <gor@linux.vnet.ibm.com>
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>

arch/s390/include/asm/cpu_mf.h

@@ -167,7 +167,7 @@ static inline int lcctl(u64 ctl)
 		"	.insn	s,0xb2840000,%1\n"
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
-		: "=d" (cc) : "m" (ctl) : "cc");
+		: "=d" (cc) : "Q" (ctl) : "cc");
 	return cc;
 }
 

arch/s390/include/asm/lowcore.h

@@ -188,14 +188,14 @@ extern struct lowcore *lowcore_ptr[];
 
 static inline void set_prefix(__u32 address)
 {
-	asm volatile("spx %0" : : "m" (address) : "memory");
+	asm volatile("spx %0" : : "Q" (address) : "memory");
 }
 
 static inline __u32 store_prefix(void)
 {
 	__u32 address;
 
-	asm volatile("stpx %0" : "=m" (address));
+	asm volatile("stpx %0" : "=Q" (address));
 	return address;
 }
 

arch/s390/include/asm/processor.h

@@ -245,7 +245,7 @@ static inline unsigned short stap(void)
 {
 	unsigned short cpu_address;
 
-	asm volatile("stap %0" : "=m" (cpu_address));
+	asm volatile("stap %0" : "=Q" (cpu_address));
 	return cpu_address;
 }