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author | Will Deacon <will.deacon@arm.com> | 2015-11-23 15:12:59 +0000 |
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committer | Will Deacon <will.deacon@arm.com> | 2015-12-03 19:37:10 +0000 |
commit | 24da208db32ee1e4757ceaba898c47add8e5361e (patch) | |
tree | af0093d2a358b228a7acf71fa1a787f497fcacfd | |
parent | b9b7aebb42d1b1392f3111de61136bb6cf3aae3f (diff) | |
download | op-kernel-dev-24da208db32ee1e4757ceaba898c47add8e5361e.zip op-kernel-dev-24da208db32ee1e4757ceaba898c47add8e5361e.tar.gz |
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>
-rw-r--r-- | Documentation/features/time/irq-time-acct/arch-support.txt | 2 | ||||
-rw-r--r-- | arch/arm64/Kconfig | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt index e633162..4199ffec 100644 --- a/Documentation/features/time/irq-time-acct/arch-support.txt +++ b/Documentation/features/time/irq-time-acct/arch-support.txt @@ -9,7 +9,7 @@ | alpha: | .. | | arc: | TODO | | arm: | ok | - | arm64: | .. | + | arm64: | ok | | avr32: | TODO | | blackfin: | TODO | | c6x: | TODO | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 871f217..4876459 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -70,6 +70,7 @@ config ARM64 select HAVE_FUNCTION_GRAPH_TRACER select HAVE_GENERIC_DMA_COHERENT select HAVE_HW_BREAKPOINT if PERF_EVENTS + select HAVE_IRQ_TIME_ACCOUNTING select HAVE_MEMBLOCK select HAVE_PATA_PLATFORM select HAVE_PERF_EVENTS |