Re: [PATCH -mm] kexec jump -v9
From: Pavel Machek
Date: Fri May 16 2008 - 08:17:51 EST
On Thu 2008-05-15 15:03:17, Eric W. Biederman wrote:
> "Rafael J. Wysocki" <rjw@xxxxxxx> writes:
> > Well, it looks like we do similar things concurrently. Please have a look
> > here: http://kerneltrap.org/Linux/Separating_Suspend_and_Hibernation
> Yes. Part of the reason I wanted to separate these two conversations
> I knew something was going on.
> > Similar patches are in the Greg's tree already.
> Taking a look.
> I just can't get past the fact in that the only reason hibernation can
> not use the widely implemented and tested probe/remove is because of
> filesystems on block devices, and that you are proposing to add 4
> methods for each and every driver to handle that case, when they
> don't need ANYTHING!
> I wonder how hard teaching the upper layers to deal with
> hotplug/remove is?
It looked _too_ hard when I was looking... at least if we are thinking
off "keep the filesystem mounted over unplug-replug".
Or do you have something else in mind?
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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