linux-kernel - Re: [PATCH] Add iSCSI iBFT support (v0.4.5)

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Date:	Mon, 28 Jan 2008 11:35:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Doug Maxey <dwm@...yolf.org>
CC:	Konrad Rzeszutek <konrad@...nok.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, greg@...ah.com, darnok@....org,
	pjones@...hat.com, konradr@...hat.com, konradr@...ux.vnet.ibm.com,
	randy.dunlap@...cle.com, lenb@...nel.org, mike.anderson@...ibm.com,
	dwm@...tin.ibm.com, arjan@...radead.org, michaelc@...wisc.edu,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [PATCH] Add iSCSI iBFT support (v0.4.5)

Doug Maxey wrote:
> On Mon, 28 Jan 2008 14:04:51 EST, Konrad Rzeszutek wrote:
>>>> +EXPORT_SYMBOL(find_ibft);
>>> Is this x86-specific?  Are suitable Kconfig dependencies in place?
>> Originally I had it to be x86-specific but was told that I should make it all 
>> platforms since the IBFT is platform independent. Somebody can very well 
>> insert a NIC with IBFT on a IA64 machine or PPC.
> 
> I would beg to differ regarding the powerpc.  On powerpc, the bios is
> invisible and ignored.  We have our own "special" way, via the device-tree
> in procfs.
> 

iBFT is not platform-independent; it only makes sense on platforms with 
ACPI (and even then, just barely; ACPI is a poor fit for it and it was 
probably "integrated" with ACPI for political reasons.)

	-hpa
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