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(parent: 7b4ff87) | patch
s390/cio: use basic blocks for i/o inline assemblies
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 20 Jun 2016 12:03:52 +0000 (14:03 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 28 Jun 2016 07:32:34 +0000 (09:32 +0200)
commita4d9b97cc3c215a2dd6e841ee203db7b7e73b3c9
treefae001b35644b0096cc48aec9c875e3f617a7193tree | snapshot
parent7b4ff87cbf3d2530d6362bb08cc61635894f596ccommit | diff
s390/cio: use basic blocks for i/o 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>
Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/ioasm.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git