Re: [PATCH] x86: vmlinux_64.lds.S - use THREAD_SIZE instead of numeric constant

[Sam Ravnborg]

Hi Cyrill.
On Mon, Feb 04, 2008 at 08:10:37PM +0300, Cyrill Gorcunov wrote:
> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>

The patch looks simple but please explain why you do what you do.
It took me some digging before I could convince mysleft this was
indeed a correct change.
And I am pretty sure you did the same investigation yourself.

A comment like:

arch/x866/kernel/inittask.c require all variables allocated in
the section .data.init_task to be aligned with THREAD_SIZE.

would have made me happy.

	Sam

> ---
> 
> Index: linux-2.6.git/arch/x86/kernel/vmlinux_64.lds.S
> ===================================================================
> --- linux-2.6.git.orig/arch/x86/kernel/vmlinux_64.lds.S	2008-01-30 17:51:57.000000000 +0300
> +++ linux-2.6.git/arch/x86/kernel/vmlinux_64.lds.S	2008-02-03 22:38:48.000000000 +0300
> @@ -129,7 +129,7 @@ SECTIONS
>  #undef VVIRT_OFFSET
>  #undef VVIRT
>  
> -  . = ALIGN(8192);		/* init_task */
> +  . = ALIGN(THREAD_SIZE);	/* init_task */
>    .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
>  	*(.data.init_task)
>    }:data.init
--
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