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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2016-02-12 11:40:31 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-02-17 08:05:04 (GMT) |
| commit | 52499d93d6dec3872de3b982219af6d4c182a452 (patch) | |
| tree | 4565561ab51516a02a27bf26438b5de2bd2fc5db /drivers/s390 | |
| parent | f6c9b160233f9b5afe926b91b55589b706076640 (diff) | |
| download | linux-52499d93d6dec3872de3b982219af6d4c182a452.tar.xz | |
s390/maccess: reduce stnsm instructions
When fixing the DAT off bug ("s390: fix DAT off memory access, e.g.
on kdump") both Christian and I missed that we can save an additional
stnsm instruction.
This saves us a couple of cycles which could improve the speed of
memcpy_real.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
0 files changed, 0 insertions, 0 deletions