linux-kernel - Re: Bugs in MMC [was: [Bug 10030] Suspend doesn't work when SD card is inserted]

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080306155553.GA3908@ucw.cz>
Date:	Thu, 6 Mar 2008 16:55:53 +0100
From:	Pavel Machek <pavel@....cz>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	David Brownell <david-b@...bell.net>,
	Pierre Ossman <drzeus-mmc@...eus.cx>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Bugs in MMC [was: [Bug 10030] Suspend doesn't work when SD card is inserted]

On Tue 2008-03-04 16:00:51, Alan Stern wrote:
> On Tue, 4 Mar 2008, David Brownell wrote:
> 
> > > What's wrong with a superfluous probe at resume time, besides the waste 
> > > of a few milliseconds?
> > 
> > I'm more concerned with the undesirable removal of devices at suspend
> > time ... ones with mounted filesystems etc.
> 
> On that we can agree.  The removal is done if the host doesn't define a 
> resume method.  There doesn't seem to be any point to that, given that 
> the probing during resume will determine whether a card has in fact 
> been removed.

Hmm, if the driver is sleeping too deeply, user might have removed the
card and put in different one, without driver noticing. That would be
_bad_.
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/