| commit | f554be42fd0fd8dd14680c67f2db26b3e7de9670 | [log] [tgz] |
|---|---|---|
| author | Vasily Gorbik <gor@linux.vnet.ibm.com> | Thu Oct 12 13:01:47 2017 +0200 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Wed Oct 18 14:11:33 2017 +0200 |
| tree | 68d1e054f9a40bbe29d3d5b3c2ef79437d6e71ee | |
| parent | 686140a1a9c41d85a4212a1c26d671139b76404b [diff] |
s390/spinlock: use cpu alternatives to enable niai instruction Enable niai instruction in the spinlock code at run-time for machines on which facility 49 is available (zEC12 and newer). Signed-off-by: Vasily Gorbik <gor@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>