linux-kernel - Re: [PATCH] arch/cris/arch-v10/vmlinux.lds.S fix boot problem

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Date:	Fri, 21 Dec 2007 16:54:46 +0100
From:	Jesper Nilsson <jesper.nilsson@...s.com>
To:	Yuusei KUWANA <kuwana@...nyan.to>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	mikael.starvik@...s.com
Subject: Re: [PATCH] arch/cris/arch-v10/vmlinux.lds.S fix boot problem

...and of course I got a spurious "_" pasted into INITCALLS. Argh.
Corrected patch below.

diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S
index 9859d49..ac98b2a 100644
--- a/arch/cris/arch-v10/vmlinux.lds.S
+++ b/arch/cris/arch-v10/vmlinux.lds.S
@@ -23,7 +23,7 @@ SECTIONS
 	_stext = .;
 	__stext = .;
 	.text : {
-		*(.text)
+		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
 		*(.fixup)
@@ -66,13 +66,7 @@ SECTIONS
   	__setup_end = .;
   	.initcall.init : {
 		__initcall_start = .;
-		*(.initcall1.init);
-		*(.initcall2.init);
-		*(.initcall3.init);
-		*(.initcall4.init);
-		*(.initcall5.init);
-		*(.initcall6.init);
-		*(.initcall7.init);
+		INITCALLS
 		__initcall_end = .;	
 	}
 
@@ -88,11 +82,16 @@ SECTIONS
 		__initramfs_start = .;
 		*(.init.ramfs)
 		__initramfs_end = .;
-		/* We fill to the next page, so we can discard all init
-		   pages without needing to consider what payload might be
-		   appended to the kernel image.  */
-		FILL (0); 
-		. = ALIGN (8192);
+
+		/*
+		 * We fill to the next page, so we can discard all init
+		 * pages without needing to consider what payload might be
+		 * appended to the kernel image.
+		 */
+		.init.fill : {
+			FILL (0);
+			. = ALIGN (8192);
+		}
 	}
 #endif
 	


On Fri, Dec 21, 2007 at 04:14:04PM +0100, Jesper Nilsson wrote:
> 
> On Sat, Dec 15, 2007 at 02:59:33PM +0900, Yuusei KUWANA wrote:
> > arch/cris/arch-v10/vmlinux.lds.S
> >  fix boot problem
> > * too old initcall style. replace INITCALLS macro
> > * __init_begin, __init_end move for free_initmem()
> 
> Hi,
> 
> The conversion to INITCALLS is ok (I have the same change here),
> but I'm curious what problem you are solving with moving __init_begin and
> __init_end to only include the .init.data.
> 
> If there is use of initcalls/data outside init then that is a bug and
> should be fixed, not worked around.
> 
> There might however be another problem that Mikael Starvik told me about,
> the padding between initdata and the next section had gone AWOL,
> which made the free_initmem() destroy useful data.
> 
> With the attached patch (and a lot of other patches) I am successful in
> booting an Axis Devboard82+.
> Could you please try the included patch and see if that solves your problem?
> 
> > Note: with this patch kernel boot and mount root,
> > but after init done,  kernel panic at do_signal() ...
> 
> I have a patch in the pipe that should fix this, will send it in just
> a small while.
> 
> > ryu
> 
> Thank you for your help!
> 
> Best regards,
> 
> /Jesper

/^JN - Jesper Nilsson
--
               Jesper Nilsson -- jesper.nilsson@...s.com
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