linux-kernel - Re: [PATCH] x86: tidy e820 output

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: <4C9A881B.9010309@zytor.com>
Date:	Wed, 22 Sep 2010 15:50:03 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Bjorn Helgaas <bjorn.helgaas@...com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Yinghai Lu <yinghai@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: tidy e820 output

On 09/22/2010 03:46 PM, David Rientjes wrote:
> On Wed, 22 Sep 2010, H. Peter Anvin wrote:
> 
>>> It's true, they don't (well, everything below 4G still lines up, but
>>> not above that).  Do you like this any better?
>>>
>>
>> That's fine with me.  I don't mind the [mem ] bracket either if you
>> think it's useful.
>>
> 
> This patch is going to break our userspace parsing scripts if you change 
> the output format.  Admittedly, we're probably one of the few users who 
> actually parses this output, but we do have reasons to do it for our 
> firmware.  If there was some improvement being introduced here, we'd 
> happily handle multiple regexs (we constantly add new patterns when new 
> kernels are released), but I'm not seeing how this is better.

Kernel messages are not an ABI or API.

The user space API for this stuff is /sys/firmware/memmap.

	-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/