linux-kernel - Re: A kexec approach to hibernation

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 for Android: free password hash cracker in your pocket

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

Message-ID: <466CAD2D.3070607@zytor.com>
Date:	Sun, 10 Jun 2007 19:02:21 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	Pavel Machek <pavel@....cz>, Jeremy Maitin-Shepard <jbms@....edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...l.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>
Subject: Re: A kexec approach to hibernation

Matthew Garrett wrote:
> No, it only supports ext2 (and reading ext3 as if it's ext2). Right now, 
> the assumption that syncing during suspend will cause data to hit 
> something grub can read isn't a safe one.

I brought this issue up quite a few years ago at an OLS BOF.  We pretty
much need a "supersync" system call; you can do this by bmapping any
file on ext3, but having something supported across filesystems would be
good.

	-hpa
-
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/