linux-kernel - Re: [git pull] x86 updates

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Message-ID: <47A8C336.1010107@zytor.com>
Date:	Tue, 05 Feb 2008 12:12:38 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [git pull] x86 updates

Linus Torvalds wrote:
> 
> Ingo, Thomas,
>  should we not do this?
> 
> Otherwise, it seems we generate a section that isn't allocated?
> 
> I think toolchain should add the right flags automatically for sections 
> that start with ".[ro]data" and ".text", but not for the kernel-specific 
> ".init.*" sections.
> 
> 		Linus
> 
> ---
>  arch/x86/kernel/head_64.S |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
> index 4f283ad..d16d7b8 100644
> --- a/arch/x86/kernel/head_64.S
> +++ b/arch/x86/kernel/head_64.S
> @@ -251,7 +251,7 @@ ENTRY(secondary_startup_64)
>  
>  	/* SMP bootup changes these two */
>  #ifndef CONFIG_HOTPLUG_CPU
> -	.pushsection .init.data
> +	.pushsection .init.data,"aw"
>  #endif
>  	.align	8
>  	.globl	initial_code

I definitely think we should add flags where applicable.

	-hpa
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