linux-kernel - Re: vmlinux.lds: consolidate initcall sections

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Message-Id: <20061027131730.bde49aed.akpm@osdl.org>
Date:	Fri, 27 Oct 2006 13:17:30 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Pavel Machek <pavel@....cz>, Greg KH <greg@...ah.com>,
	Stephen Hemminger <shemminger@...l.org>,
	Adrian Bunk <bunk@...sta.de>,
	Linus Torvalds <torvalds@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: vmlinux.lds: consolidate initcall sections

On Fri, 27 Oct 2006 13:44:13 -0600
Matthew Wilcox <matthew@....cx> wrote:

> On Fri, Oct 27, 2006 at 11:41:44AM -0700, Andrew Morton wrote:
> > Add a vmlinux.lds.h helper macro for defining the eight-level initcall table,
> > teach all the architectures to use it.
> 
> > @@ -48,13 +48,7 @@ SECTIONS
> >    . = ALIGN(8);
> >    __initcall_start = .;
> >    .initcall.init : {
> > -	*(.initcall1.init) 
> > -	*(.initcall2.init) 
> > -	*(.initcall3.init) 
> > -	*(.initcall4.init) 
> > -	*(.initcall5.init) 
> > -	*(.initcall6.init) 
> > -	*(.initcall7.init)
> > +	INITCALLS
> >    }
> >    __initcall_end = .;
> 
> Why not make the INITCALLS macro include more:
> 
> +#define INITCALLS						\
> +	__initcall_start = .;					\
> +	.initcall.init : {					\
> +		*(.initcall1.init)				\
> +		*(.initcall2.init)				\
> +		*(.initcall3.init)				\
> +		*(.initcall4.init)				\
> +		*(.initcall5.init)				\
> +		*(.initcall6.init)				\
> +		*(.initcall7.init)				\
> +	}							\
> +	__initcall_end = .;

Would be nice, but i386 does:

  __initcall_start = .;
  .initcall.init : AT(ADDR(.initcall.init) - 0xC0000000) {
 *(.initcall1.init)
 *(.initcall2.init)
 ...

> Also, you might want to check the spaces at the front of your INITCALLS
> macro; I see two spaces before the first tab.

thanks.
-
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