linux-kernel - Re: [RFC -tip] x86: introduce X86_ assembly names macros to catch unbalanced declaration

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Date:	Sun, 23 Nov 2008 19:27:28 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Alexander van Heukelum <heukelum@...lshack.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC -tip] x86: introduce X86_ assembly names macros to catch
	unbalanced declaration

[Ingo Molnar - Sun, Nov 23, 2008 at 05:22:57PM +0100]
| 
| * Cyrill Gorcunov <gorcunov@...il.com> wrote:
| 
| > It's usefull to catch unbalanced or messed declarations of ENTRY and
| > KPROBES. These macros would help a bit (at least I hope so).
| > 
| > For example the following code would compile without problems
| > 
| > 	X86_ENTRY(mcount)
| > 		retq
| > 	X86_END(mcount)
| > 
| > But if you forget and mess the following form
| > 
| > 	X86_ENTRY(mcount)
| > 		retq
| > 	END(mcount)
| > 
| > 	X86_ENTRY(ftrace_caller)
| > 
| > The assembler will issue the following message:
| > Error: X86_ENTRY/KPROBE unbalanced or missed
| 
| looks good - a very small detail: i'd suggest ENTRY_X86()/END_X86() - 
| because whoever is reading this portion of the code is amply aware of 
| the fact that this is the x86 tree - so the more important information 
| should come first.
| 
| 	Ingo
| 

Will fix shortly :)

		- Cyrill -
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