Re: [PATCH 1/5] [pm] Fix locking of device suspend/resume functions

[Andrew Morton]

Patrick Mochel <mochel@xxxxxxxxxxxxxxxxxx> wrote:
>
> This patch removes the unneeded down()/up() calls from
>  suspend_device() and resume_device(). Those functions
>  are already called under the dpm_sem, making this code
>  unconditionally deadlock in SMP kernels.

I've seen no reports of such deadlocks.  And I was testing swsusp on a
4-way this week?

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