Re: chroot in swsusp userland interface (was: Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)

From: Nigel Cunningham
Date: Wed Feb 08 2006 - 18:52:34 EST


On Tuesday 07 February 2006 01:13, Rafael J. Wysocki wrote:
> > > I like the chroot idea too.
> >
> > You're making this too complicated. Just require that the userspace program
> > does all it's file opening etc prior to telling kernelspace to do
> > anything. Then clearly document the requirement. If someone breaks the
> > rule, it is their problem, and their testing should show their
> > foolishness. We have done a similar thing in the Suspend2 userspace user
> > interface code, and it works fine.
> Unfortunately I'd like to open at least one device file after freeze, for a
> technical reason that probably does not exist in suspend2, so I need a
> temporary filesystem anyway. Chrooting to it is just a cake.

Does the open need to be delayed until after the freeze?

> [BTW, we have the list suspend-devel@xxxxxxxxxxxxxxxxxxxxx we'd like
> to be a place for discussing the userspace suspend issues. If you could
> subscribe to it, we'd be able to move the discussion there.]

Will do. Sorry for the slow reply - had a bogus mail filtering rule.


Attachment: pgp00000.pgp
Description: PGP signature