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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-04-03 13:30:23 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-04-05 07:35:14 +0200 |
| commit | cab36c262ef9a5ddf3c7ae0f8031b191338b3142 (patch) | |
| tree | 35160f929d3067f977ec2f7bc700a019792b23d5 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Merge branch 'vfio-ccw-for-martin' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into features (diff) | |
| download | wireguard-linux-cab36c262ef9a5ddf3c7ae0f8031b191338b3142.tar.xz wireguard-linux-cab36c262ef9a5ddf3c7ae0f8031b191338b3142.zip | |
s390: use 64-bit lctlg to load task pid to cr4 on context switch
The 32-bit lctl instruction is quite a bit slower than the 64-bit
counter part lctlg. Use the faster instruction.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions