s390/cio: use basic blocks for cmf inline assemblies

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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>
Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2016-06-20 14:03:38 +02:00 • committed by Martin Schwidefsky

parent 7b411ac6b7

commit 7b4ff87cbf

1 changed files with 9 additions and 6 deletions

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drivers/s390/cio/cmf.c

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