https://github.com/torvalds/linux
Revision 52499d93d6dec3872de3b982219af6d4c182a452 authored by Heiko Carstens on 12 February 2016, 11:40:31 UTC, committed by Martin Schwidefsky on 17 February 2016, 08:05:04 UTC
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>
1 parent f6c9b16
History
Tip revision: 52499d93d6dec3872de3b982219af6d4c182a452 authored by Heiko Carstens on 12 February 2016, 11:40:31 UTC
s390/maccess: reduce stnsm instructions
Tip revision: 52499d9
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usr
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.get_maintainer.ignore -rw-r--r-- 31 bytes
.gitignore -rw-r--r-- 1.2 KB
.mailmap -rw-r--r-- 5.5 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 95.4 KB
Kbuild -rw-r--r-- 2.6 KB
Kconfig -rw-r--r-- 252 bytes
MAINTAINERS -rw-r--r-- 337.2 KB
Makefile -rw-r--r-- 53.7 KB
README -rw-r--r-- 18.2 KB
REPORTING-BUGS -rw-r--r-- 7.3 KB

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