Re: removing refrigerator does not help with s2ram vs. fuse deadlocks (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway)

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Thursday, 5 July 2007 16:26, Matthew Garrett wrote:
> On Thu, Jul 05, 2007 at 04:28:11PM +0200, Rafael J. Wysocki wrote:
> > On Thursday, 5 July 2007 15:57, Matthew Garrett wrote:
> > > And also "Userland should not depend on userland services", which is 
> > > rather more of a problem.
> > 
> > I think you're oversimplifying it, as far as FUSE is concerned.
> > 
> > Namely, if there are two userland tasks, A and B, and B is uninterruptible,
> > because A is blocked, then this is not a usual situation.
> 
> Fuse is one case of it occuring, and if we end up with more userspace 
> drivers then the problem is only going to get worse.

But this is a problem by itself, regardless of the freezer etc., no?

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
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