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SubjectRe: [PATCH 1/2] lockdep: move early boot local IRQ enable/disable status to init/main.c
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On Thu, 2011-01-20 at 12:11 +0100, Tejun Heo wrote:
> Hello, guys.
>
> These two patches remove both warnings. The first warning was
> completely spurious. The second lockdep one was triggered by
> on_each_cpu() enabling local IRQ too early.
>
> I don't think percpu allocator itself malfunctioned. There was no
> allocation failure. It whines when percpu allocation fails but didn't
> in the log. Other than calling vfree() early triggering the above
> condition, it worked okay.
>
> So, it's either the early enabling of local IRQ by on_each_cpu()
> breaking something in the IRQ subsystem or something different. Ingo,
> can you please see whether these two patches cure the panic too?

Why not use something like: system_state != SYSTEM_RUNNING ?


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