arm64: enable HAVE_IRQ_TIME_ACCOUNTING
authorWill Deacon <will.deacon@arm.com>
Mon, 23 Nov 2015 15:12:59 +0000 (15:12 +0000)
committerAlex Shi <alex.shi@linaro.org>
Wed, 11 May 2016 07:56:35 +0000 (15:56 +0800)
commit4ea9dd702768f3d1c3ab346f30fdce8b8d1a8ef9
treedca0093647d877972a8a0eb0d6d64e931601e9fa
parent2e310797997214e0cc606013ac308167b6b72dc0
arm64: enable HAVE_IRQ_TIME_ACCOUNTING

arm64 relies on the arm_arch_timer for sched_clock, so we can select
HAVE_IRQ_TIME_ACCOUNTING and have the core sched-clock code enable the
feature at runtime based on the rate.

Reported-by: Mario Smarduch <m.smarduch@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from commit 24da208db32ee1e4757ceaba898c47add8e5361e)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Documentation/features/time/irq-time-acct/arch-support.txt
arch/arm64/Kconfig