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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-09-11 14:28:47 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-10-24 17:16:46 +0200 |
| commit | 86d51bc31fabd3782a99375b6848c5c667e72605 (patch) | |
| tree | 781b7b812c8fd4a51dbcdc238e8b90c4b3a2cbb6 /arch/s390/kernel/dumpstack.c | |
| parent | fcd05b50fca44be3f96f8a17c5cce778669c29e7 (diff) | |
s390/atomic: implement atomic_sub_return() with atomic_add_return()
Get rid of the own atomic_sub_return() implementation. Otherwise we can't
make use of the interlocked-access facility 1 instructions for
atomic_sub_return(), since there is no "load and subtract" instruction
available.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/dumpstack.c')
0 files changed, 0 insertions, 0 deletions