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

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Message-ID: <m3eiqdqfnm.fsf@pullcord.laptop.org>
Date:	Fri, 11 Sep 2009 18:29:17 -0400
From:	Chris Ball <cjb@...top.org>
To:	Zdenek Kabelac <zdenek.kabelac@...il.com>
Cc:	Pavel Machek <pavel@....cz>,
	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

Hi,

   > Well system could check basic card ids if they match after resume

No.  That (arguably) guarantees that it's the same card, but not that
it wasn't modified in another machine during the suspend.

   > if some users wants to crash his card by randomly swapping it
   > during suspend/resume - I'd have no problem with that....

You should have a problem with it.  Taking a card from a suspended
machine and working on it with a different machine is not a bizarre
thing to want to do.

-- 
Chris Ball   <cjb@...top.org>
One Laptop Per Child
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