s390/cpumf: use basic block for ecctr inline assembly
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 20 Jun 2016 12:06:54 +0000 (14:06 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 28 Jun 2016 07:32:38 +0000 (09:32 +0200)
commite238c15e5252d2d6eb5c43c1da617fcad8e60420
treeed44a81512605b2159dfac088b151329c35bd093
parente030c1125eab9eb822a7a271ed233a77ebfa2629
s390/cpumf: use basic block for ecctr inline assembly

Use only simple inline assemblies which consist of a single basic
block if the register asm construct is being used.

Otherwise gcc would generate broken code if the compiler option
--sanitize-coverage=trace-pc would be used.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/cpu_mf.h