Commit 26f268ac authored Feb 20, 2017 by Hendrik Brueckner Committed by Martin Schwidefsky Mar 31, 2017

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 <heiko.carstens@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 66a49784

arch/s390/include/asm/cpu_mf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 (