linux-kernel - Re: Regression in suspend to ram in 2.6.31-rc kernels

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Message-ID: <20090914202558.GA10398@elf.ucw.cz>
Date:	Mon, 14 Sep 2009 22:25:59 +0200
From:	Pavel Machek <pavel@....cz>
To:	Pierre Ossman <pierre-list@...man.eu>
Cc:	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Christoph Hellwig <hch@....de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-mmc@...r.kernel.org, viro@...iv.linux.org.uk
Subject: Re: Regression in suspend to ram in 2.6.31-rc kernels

On Mon 2009-09-14 22:05:10, Pierre Ossman wrote:
> On Fri, 11 Sep 2009 23:51:17 +0200
> Pavel Machek <pavel@....cz> wrote:
> 
> > On Fri 2009-09-11 23:45:01, Zdenek Kabelac wrote:
> > > 
> > > Well system could check basic card ids if they match after resume - if
> > > some users wants to crash his card by randomly swapping it during
> > > suspend/resume - I'd have no problem with that....
> > 
> > Well, I do have small problem with that :-).
> > 
> > Anyway, patch for rechecking IDs would probably be accepted, but
> > that's not how it works now.
> 
> It _does_ check the card id when you have UNSAFE_RESUME selected. It
> doesn't just hook up whatever card you happen to have in the slot with
> your old block device. I may have a lot of opponents when it comes
> to my suspend design choices, but I'm not completely crazy. ;)

:-) Ok, ok. Patch checking filesystem timestamps would be welcome in
that case ;-).
									Pavel

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