Commit 426fa8e4 authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
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MIPS: csrc-r4k: Select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT 



csrc-r4k suffers from SMP synchronization overhead.

Select HAVE_UNSTABLE_SCHED_CLOCK to workaround drift
between the CPUs on the system. HAVE_UNSTABLE_SCHED_CLOCK
requires cmpxchg64, so enable it for 64 bits only.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 7190401f

arch/mips/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -1084,6 +1084,7 @@ config CSRC_IOASIC 


config CSRC_R4K

	select CLOCKSOURCE_WATCHDOG if CPU_FREQ

	select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT

	bool



config CSRC_SB1250