linux-kernel - Re: [PATCH] X86: Update alignment when 4K stacks are used.

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Message-ID: <20070705120938.GA5167@ucw.cz>
Date:	Thu, 5 Jul 2007 12:09:39 +0000
From:	Pavel Machek <pavel@....cz>
To:	"Robert P. J. Day" <rpjday@...dspring.com>, ak@...e.de
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] X86: Update alignment when 4K stacks are used.

On Mon 2007-06-25 06:43:37, Robert P. J. Day wrote:
> 
> Signed-off-by: Robert P. J. Day <rpjday@...dspring.com>
> 
> ---
> 
>   it's not clear from MAINTAINERS who's responsible for something this
> generic.

I'd cc andi here...
							Pavel

> diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
> index d2daf67..504f134 100644
> --- a/arch/i386/kernel/irq.c
> +++ b/arch/i386/kernel/irq.c
> @@ -149,15 +149,11 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
> 
>  #ifdef CONFIG_4KSTACKS
> 
> -/*
> - * These should really be __section__(".bss.page_aligned") as well, but
> - * gcc's 3.0 and earlier don't handle that correctly.
> - */
>  static char softirq_stack[NR_CPUS * THREAD_SIZE]
> -		__attribute__((__aligned__(THREAD_SIZE)));
> +		__attribute__((__section__(".bss.page_aligned")));
> 
>  static char hardirq_stack[NR_CPUS * THREAD_SIZE]
> -		__attribute__((__aligned__(THREAD_SIZE)));
> +		__attribute__((__section__(".bss.page_aligned")));
> 
>  /*
>   * allocate per-cpu stacks for hardirq and for softirq processing
> -- 
> ========================================================================
> Robert P. J. Day
> Linux Consulting, Training and Annoying Kernel Pedantry
> Waterloo, Ontario, CANADA
> 
> http://fsdev.net/wiki/index.php?title=Main_Page
> ========================================================================
> -
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-- 
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