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Date:	Wed, 12 Feb 2014 13:54:43 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	dl9pf@....de
cc:	Behan Webster <behanw@...verseincode.com>,
	David Woodhouse <David.Woodhouse@...el.com>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, acpi: LLVMLinux: Remove nested functions from
 Thinkpad ACPI

On Wed, 12 Feb 2014, dl9pf@....de wrote:

> From: Behan Webster <behanw@...verseincode.com>
> 
> The only real change is passing in event_mask to the formerly nested functions.
> Otherwise it's just moving around function and macro code.
> 
> This is the only place in the Linux kernel where nested functions are still in
> use. Nested functions aren't part of the C standards, and complicate the
> generated code. Although the Linux Kernel has never set out to be entirely C
> standard compliant, it is increasingly compliant to the standard which is
> supported by other compilers such as Clang. The LLVMLinux project is working on
> being able to compile the Linux kernel with Clang. The use of nested functions
> blocks this effort.
> 

So this patch is only as a courtesy to clang and you're not complaining 
about things like __builtin() functions, typeof, or a ? : b conditional 
operators because clang happens to support them?
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