linux-kernel - Re: [PATCH] ibft, x86: Change reserve_ibft_region() to find_ibft

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Date:	Thu, 1 Apr 2010 16:12:07 -0400
From:	Konrad Rzeszutek Wilk <konrad@...nok.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Peter Jones <pjones@...hat.com>,
	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	Jan Beulich <jbeulich@...ell.com>
Subject: Re: [PATCH] ibft, x86: Change reserve_ibft_region() to find_ibft_region()

On Wed, Mar 31, 2010 at 07:07:32PM -0700, Yinghai Lu wrote:
> 
> 
> So arch code could decide the way to reserve the ibft.
> 
> And We should reserve ibft as early as possible, instead of BOOTMEM stage,
> in case the table is in RAM range and is not reserved by BIOS.

What test vehicle did you use to find this bug?


.. snip..
> +	if (size)
> +		reserve_early_overlap_ok(addr, addr + size, "ifbt");
							     ^^^^ - ibft

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