linux-kernel - Re: [PATCH V2] x86: Allow built-in command line to work in early kernel init

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Message-ID: <20150512235333.GB1437@srcf.ucam.org>
Date:	Wed, 13 May 2015 00:53:33 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Matthew Garrett <matthew.garrett@...eos.com>,
	Ingo Molnar <mingo@...nel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg59@...eos.com>
Subject: Re: [PATCH V2] x86: Allow built-in command line to work in early
 kernel init

On Tue, May 12, 2015 at 04:41:22PM -0700, Yinghai Lu wrote:

> You can not assume that you can use buffer after cmd_line from bootloader
> blindly.

Are there any bootloaders that don't allocate a buffer of the maximum 
command line size?

-- 
Matthew Garrett | mjg59@...f.ucam.org
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