linux-kernel - Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic runtime service support

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Message-ID: <47221D2A.2050304@zytor.com>
Date:	Fri, 26 Oct 2007 10:00:26 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	"Huang, Ying" <ying.huang@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>, Andi Kleen <ak@...e.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Chandramouli Narayanan <mouli@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic
 runtime service support

Alan Cox wrote:
>>> Again, these are wrappers to access EFI and not Windows.
>> EFI uses the Windows x86_64 calling convention. The lin2win may be a
>> more general naming convention that can be used for some other code (the
>> NDISwrapper?) in the future. Do you agree?
> 
> The SYSV description is wrong as well. SYSV has no calling convention. I
> think you mean iABI or iBCS2 ?
> 
> Whats wrong with following the pattern of other calls like syscall(...)
> and just having eficall() ?

Either that (which is basically his lin2win6), or use wrapper-generators 
like we used to do for system calls -- the latter will produce more 
efficient code.  I don't think it matters.

	-hpa
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