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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-09-11 10:28:34 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-09-11 10:29:43 +0200 |
| commit | 12751058515860ed43c8f874ebcb2097b323736a (patch) | |
| tree | 491ec6fe0b0f16da7f05f4edc924ba9a60986588 /arch/s390/Kconfig | |
| parent | 6ac2a4ddd10d6916785b4c566d521025c855f823 (diff) | |
| download | op-kernel-dev-12751058515860ed43c8f874ebcb2097b323736a.zip op-kernel-dev-12751058515860ed43c8f874ebcb2097b323736a.tar.gz | |
[S390] atomic ops: add effecient atomic64 support for 31 bit
Use compare double and swap to implement efficient atomic64 ops for 31 bit.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2ae5d72..47836b9 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -95,7 +95,6 @@ config S390 select HAVE_ARCH_TRACEHOOK select INIT_ALL_POSSIBLE select HAVE_PERF_COUNTERS - select GENERIC_ATOMIC64 if !64BIT config SCHED_OMIT_FRAME_POINTER bool |
