Re: [PATCH 10/32] nohz/cpuset: Restart the tick if printk needs it

[Frederic Weisbecker]

2012/10/30 Steven Rostedt <rostedt@xxxxxxxxxxx>:
> Probably need to at least disable preemption. I don't see any
> requirement that wake_up_klogd() needs to be called with preemption
> disabled.
>
> The this_cpu_or() doesn't care which CPU it triggers, but the enabling
> of nohz does.

This patch is deemed to be replaced with the printk in nohz patchset
I'm working on. But it indeed to disable preemption as well and its
irq work should be made per cpu.
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