Re: [PATCH -v3 1/4] pci, usb: Make usb handoff func all take baseremapping

[Benjamin Herrenschmidt]

On Mon, 2011-01-10 at 17:20 -0800, Yinghai Lu wrote:
> 
> for early access, can not use udelay yet, it will take some one.
> Also msleep will cause crash, because it needs scheduler there.

Right, and that's for such special cases (hopefully rare) that we have
system_state... Much better than your function pointers I reckon.

We could even wrap it into a safe_delay() function or whatever (in fact
why not make msleep() itself safe ? It's not like it was timing critical
code :-)

Cheers,
Ben.


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