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authorJohn Stultz <john.stultz@linaro.org>2014-07-16 21:03:53 +0000
committerJohn Stultz <john.stultz@linaro.org>2014-07-23 10:16:50 -0700
commit24e4a8c3e8868874835b0f1ad6dd417341e99822 (patch)
treed71c666cc53db7e0d906e838f23ff67855b86b6b /arch/hexagon/Kconfig
parent76f4108892d9a9e3408bba839914f97a54086a6f (diff)
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ktime: Kill non-scalar ktime_t implementation for 2038
The non-scalar ktime_t implementation is basically a timespec which has to be changed to support dates past 2038 on 32bit systems. This patch removes the non-scalar ktime_t implementation, forcing the scalar s64 nanosecond version on all architectures. This may have additional performance overhead on some 32bit systems when converting between ktime_t and timespec structures, however the majority of 32bit systems (arm and i386) were already using scalar ktime_t, so no performance regressions will be seen on those platforms. On affected platforms, I'm open to finding optimizations, including avoiding converting to timespecs where possible. [ tglx: We can now cleanup the ktime_t.tv64 mess, but thats a different issue and we can throw a coccinelle script at it ] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'arch/hexagon/Kconfig')
-rw-r--r--arch/hexagon/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 0fd6138f6203..4dc89d1f9c48 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -23,7 +23,6 @@ config HEXAGON
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
select STACKTRACE_SUPPORT
- select KTIME_SCALAR
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST
select MODULES_USE_ELF_RELA