linux-kernel - Re: [PATCH-next v3] kernel/system_certificate.S: use real contents instead of macro GLOBAL()

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Message-ID: <30128.1383137865@warthog.procyon.org.uk>
Date:	Wed, 30 Oct 2013 12:57:45 +0000
From:	David Howells <dhowells@...hat.com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	dhowells@...hat.com, Joern Rennecke <joern.rennecke@...ecosm.com>,
	James Hogan <james.hogan@...tec.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Takashi Iwai <tiwai@...e.de>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	"jeremy.bennett@...ecosm.com" <jeremy.bennett@...ecosm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Claudiu Zissulescu <Claudiu.Zissulescu@...opsys.com>,
	Francois Bedard <Francois.Bedard@...opsys.com>,
	Max Filippov <jcmvbkbc@...il.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH-next v3] kernel/system_certificate.S: use real contents instead of macro GLOBAL()

Chen Gang <gang.chen@...anux.com> wrote:

> If a macro is only used within 2 times, and also its contents are
> within 2 lines, recommend to expand it to shrink code line.
> 
> For our case, the macro is not portable either: some architectures'
> assembler may use another character to mark newline in a macro (e.g.
> '`' for arc), which will cause issue.
> 
> If still want to use macro and let it portable enough, it will also
> need include additional header file (e.g "#include <linux/linkage.h>",
> although it also need be fixed).

Fine by me.

Applied.
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