From 26f268ac682854345531325c7c0d803b8c573228 Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner Date: Mon, 20 Feb 2017 16:07:43 +0100 Subject: [PATCH] s390/cpu_mf: remove register variable in __ecctr() Using a register variable for r4 is not necessary. Let the compiler decide the register to be used. Reported-by: Heiko Carstens Signed-off-by: Hendrik Brueckner Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/cpu_mf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index facdc2496c3a..05480e4cc5ca 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -174,7 +174,7 @@ static inline int lcctl(u64 ctl) /* Extract CPU counter */ static inline int __ecctr(u64 ctr, u64 *content) { - register u64 _content asm("4") = 0; + u64 _content; int cc; asm volatile ( -- 2.20.1