linux-kernel - Re: Make sure we populate the initroot filesystem late enough

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: <21943DC0-5FA7-4769-9EFD-6A0461C5664A@kernel.crashing.org>
Date:	Mon, 26 Feb 2007 14:51:00 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	David Woodhouse <dwmw2@...radead.org>, linuxppc-dev@...abs.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	john stultz <johnstul@...ibm.com>
Subject: Re: Make sure we populate the initroot filesystem late enough


On Feb 26, 2007, at 9:51 AM, Benjamin Herrenschmidt wrote:

> On Sun, 2007-02-25 at 20:17 -0500, David Woodhouse wrote:
>> On Sun, 2007-02-25 at 16:24 -0800, Linus Torvalds wrote:
>>> Hmm. No, I don't think that should be a problem. free_initmem() only
>>> happens at the very, after do_basic_setup() has been run, which
>>> includes all the initcall stuff.
>>
>> I'm inclined to agree that it _shouldn't_ be a problem. Nevertheless,
>> even this hack seems sufficient to 'fix' it:
>
> Could be a powerpc specific bug in initrd handling... I'm still
> traveling so I can't really look at it right now, but I wouldn't be
> surprised if some of that code did indeed bitrot.
>
> Ben.

Could there be some issue with initrd getting reserved properly via  
prom_init.c.  I know we make sure there are memreserve's in the fdt  
for initrd on embedded ppc.

- k
-
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/