Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Oliver Neukum
2007-07-04T11:03:28Z

Am Mittwoch, 4. Juli 2007 schrieb Paul Mackerras:
> Oliver Neukum writes:
>
> > They can't. Device specific protocols are known to the drivers only.
> > The fact remains, remove the freezer and you need to go through
> > all drivers.
>
> The freezer does not actually mean that you don't have to get the
> drivers right, because kernel threads can issue I/O requests.

Kernel threads do not issue requests for the hell of it. And yes,
kernel threads must be aware of suspension. Threads are few,
drivers many.

Oliver