ARM: CPU hotplug: fix reporting of spurious wakeups

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The original scheme for reporting spurious wakeups was broken - it
tried to use printk() from a context which wasn't coherent with the
other CPUs, which risks corrupting the printk() data.

Fix this by noting the number spurious wakeups, and only report them
when we are properly woken - when we will be coherent with the rest
of the system.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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This commit is contained in:

Russell King 2010-12-19 11:30:43 +00:00

parent 58613cd1d4

commit d4450261e5

3 changed files with 33 additions and 27 deletions

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20

arch/arm/mach-realview/hotplug.c

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20

arch/arm/mach-s5pv310/hotplug.c

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20

arch/arm/mach-tegra/hotplug.c

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