linux-kernel - Re: [PATCH 9/10] provide _

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Date:	Fri, 18 Jan 2008 21:41:25 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Glauber de Oliveira Costa <gcosta@...hat.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	glommer@...il.com, tglx@...utronix.de, mingo@...e.hu,
	ehabkost@...hat.com, jeremy@...p.org, avi@...ranet.com,
	anthony@...emonkey.ws, virtualization@...ts.linux-foundation.org,
	rusty@...tcorp.com.au, ak@...e.de, chrisw@...s-sol.org,
	rostedt@...dmis.org, hpa@...or.com, zach@...are.com,
	roland@...hat.com, mtosatti@...hat.com
Subject: Re: [PATCH 9/10] provide __parainstructions section

On Fri, Jan 18, 2008 at 03:20:24PM -0200, Glauber de Oliveira Costa wrote:
> This patch adds the __parainstructions section to vmlinux.lds.S.
> It's needed for the patching system.
> 
> Signed-off-by: Glauber de Oliveira Costa <gcosta@...hat.com>
> ---
>  arch/x86/kernel/vmlinux_64.lds.S |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
> index 5ae8aa8..5e0300f 100644
> --- a/arch/x86/kernel/vmlinux_64.lds.S
> +++ b/arch/x86/kernel/vmlinux_64.lds.S
> @@ -175,6 +175,14 @@ SECTIONS
>    }
>    __con_initcall_end = .;
>    SECURITY_INIT
> +
> +  . = ALIGN(8);
> +  .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
> +  __parainstructions = .;
> +       *(.parainstructions)
> +  __parainstructions_end = .;
> +  }
> +

Are we going to see this for other archs than just x86?
If so then please add this to include/asm-generic/vmlinux.lds.h

The altinstructions right below is antoehr candidate..

	Sam
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