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)

Matthew Garrett
2007-07-05T14:26:45Z

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.
--
Matthew Garrett | mjg59@srcf.ucam.org