Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
[PATCH] paravirt: remove NO_IDLE_HZ on x86
Temove the mistaken turning on of NO_IDLE_HZ on x86+PARAVIRT kernels.
It's an obsolete, limited form of dynticks.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by Ingo Molnar and committed by Linus Torvalds 3f1a73b6 8690ba44
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arch/i386/Kconfig
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arch/i386/Kconfig
···
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config KTIME_SCALAR
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bool
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default y
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-
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config NO_IDLE_HZ
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bool
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depends on PARAVIRT
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default y
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help
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Switches the regular HZ timer off when the system is going idle.
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This helps a hypervisor detect that the Linux system is idle,
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reducing the overhead of idle systems.