On Mon, 2011-01-10 at 22:34 -0800, Yinghai Lu wrote:
>
> system_state does not work.
> it only have BOOTING and RUNNING ...
> RUNNING is set in init/main.c::init_post().
> so early_quirk and pci_quirk all with BOOTING stage...
Or we can make msleep() itself safe...
Ben.
> slab_is_available() could be used, but looks alike abuse.
>
> >
> > 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 :-)
>
> like
> void safe_udelay(unsigned long usecs)
> {
> if (slab_is_available())
> udelay(usecs)
> else
> early_udelay(usecs);
> }
>
> or wonder if you are happy with
>
> void __weak safe_udelay(unsigned long usecs)
> {
> udelay(usecs);
> }
>
> and will have x86 have it's own safe_udelay...
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