Re: [linux-pm] [RFC] userland swsusp

From: Pavel Machek
Date: Fri Nov 18 2005 - 18:39:45 EST


> > Even it were not for this, the whole idea seems misconcieved to me
> > anyway.
> I'm sceptical too but several Win9x BIOS vendor suspend paths were
> implemented in roughly this way. I don't however see how you can
> co-ordinate the freeze with outstanding O_DIRECT DMA to user pages for
> one item.

I do not see a problem. swsusp process stops all other processes, freezes
the drivers, then asks for system snapshot. It certainly does *not* ask for

64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

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