linux-kernel - Re: [PATCH V2 2/2] of: remove /proc/device-tree

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: <CACxGe6vSywW_iekAKmDMf5_TLLt5Hn+Jttq8kddq3vJ=AE+DQA@mail.gmail.com>
Date:	Thu, 21 Mar 2013 20:07:18 +0000
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devicetree-discuss <devicetree-discuss@...ts.ozlabs.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH V2 2/2] of: remove /proc/device-tree

On Thu, Mar 21, 2013 at 12:52 PM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
> On Thu, 2013-03-21 at 11:24 +0000, Grant Likely wrote:
>> The same data is now available in sysfs, so we can remove the code
>> that exports it in /proc and replace it with a symlink to the sysfs
>> version.
>>
>> Tested on versatile qemu model and mpc5200 eval board. More testing
>> would be appreciated.
>
> This should be delayed until we are 100% confident that the sysfs
> variant is totally backward compatible with anything that messes around
> with /proc/device-tree.

Yup, I agree with that.

> kexec comes to mind (all 4 variants of fs2dt.c (yuck !)), dtc, various
> powerpc-utils (bootloader configuration etc...), and more.
>
> We also need to test the new code with hotplug, I'll see if I can get
> somebody at IBM to give it a spin.

Thanks

g.
--
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/