s390/smp: use basic blocks for sigp inline assemblies
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 20 Jun 2016 12:04:17 +0000 (14:04 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 28 Jun 2016 07:32:35 +0000 (09:32 +0200)
commit80a60f6ef19a0d4d06a55065f69fa3dbbbac8bcc
treee5d3e4390d5233094420bff31228c1809db8eb76
parenta4d9b97cc3c215a2dd6e841ee203db7b7e73b3c9
s390/smp: use basic blocks for sigp inline assemblies

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/sigp.h
arch/s390/kernel/smp.c