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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-12-25 13:38:36 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-12-25 13:38:55 +0100
commitb020632e40c3ed5e8c0c066d022672907e8401cf (patch)
treed7f805bd27e8378436fbba7e7457afbd10c22ed8 /arch/s390/Kconfig
parentfc5243d98ac2575ad14a974b3c097e9ba874c03d (diff)
downloadblackbird-op-linux-b020632e40c3ed5e8c0c066d022672907e8401cf.tar.gz
blackbird-op-linux-b020632e40c3ed5e8c0c066d022672907e8401cf.zip
[S390] introduce vdso on s390
Add a vdso to speed up gettimeofday and clock_getres/clock_gettime for CLOCK_REALTIME/CLOCK_MONOTONIC. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8116a3328a19..37bb37334dec 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -43,6 +43,9 @@ config GENERIC_HWEIGHT
config GENERIC_TIME
def_bool y
+config GENERIC_TIME_VSYSCALL
+ def_bool y
+
config GENERIC_CLOCKEVENTS
def_bool y
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