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authorHeiko Carstens <heiko.carstens@de.ibm.com>2009-09-11 10:28:34 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 10:29:43 +0200
commit12751058515860ed43c8f874ebcb2097b323736a (patch)
tree491ec6fe0b0f16da7f05f4edc924ba9a60986588 /arch/s390/Kconfig
parent6ac2a4ddd10d6916785b4c566d521025c855f823 (diff)
downloadlinux-linaro-android-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/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2ae5d72f47e..47836b945d0 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