From: Alexander van Heukelum <heukelum@mailshack.com>
To: Mike Travis <travis@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor
Date: Sat, 5 Apr 2008 15:46:26 +0200 [thread overview]
Message-ID: <20080405134626.GA15894@mailshack.com> (raw)
In-Reply-To: <20080405013014.693571000@polaris-admin.engr.sgi.com>
On Fri, Apr 04, 2008 at 06:30:15PM -0700, Mike Travis wrote:
> * Increase stack size for the kernel bootloader decompressor. This is
> needed to boot a kernel with NR_CPUS = 4096. I tested with 8k stack
> size but that wasn't sufficient.
>
> Based on:
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> + x86/latest .../x86/linux-2.6-x86.git
> + sched-devel/latest .../mingo/linux-2.6-sched-devel.git
>
> Signed-off-by: Mike Travis <travis@sgi.com>
> ---
> arch/x86/boot/compressed/head_64.S | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-2.6.25-rc5.orig/arch/x86/boot/compressed/head_64.S
> +++ linux-2.6.25-rc5/arch/x86/boot/compressed/head_64.S
> @@ -314,5 +314,5 @@ gdt_end:
> /* Stack for uncompression */
> .balign 4
> user_stack:
> - .fill 4096,4,0
> + .fill 16384,4,0
--------------^^^ * ^
Changed from 16K to 64K. I wonder what is using so much space on
this stack?
> user_stack_end:
>
> --
next prev parent reply other threads:[~2008-04-05 13:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-05 1:30 [PATCH 0/2] NR_CPUS: increase maximum NR_CPUS to 4096 Mike Travis
2008-04-05 1:30 ` [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor Mike Travis
2008-04-05 13:46 ` Alexander van Heukelum [this message]
2008-04-07 18:14 ` Mike Travis
2008-04-07 21:44 ` Alexander van Heukelum
2008-04-08 8:23 ` Ingo Molnar
2008-04-08 10:54 ` [PATCH] x86: cleanup boot-heap usage Alexander van Heukelum
2008-04-08 18:39 ` Yinghai Lu
2008-04-08 14:56 ` [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor Mike Travis
2008-04-08 17:54 ` Yinghai Lu
2008-04-09 15:08 ` Alexander van Heukelum
2008-04-09 17:58 ` Yinghai Lu
2008-04-09 17:59 ` Yinghai Lu
2008-04-08 12:20 ` Alexander van Heukelum
2008-04-08 13:41 ` Ingo Molnar
2008-04-08 15:10 ` Mike Travis
2008-04-08 15:39 ` Ingo Molnar
2008-04-08 19:09 ` Mike Travis
2008-04-08 21:48 ` Mike Travis
2008-04-05 1:30 ` [PATCH 2/2] x86: Modify Kconfig to allow up to 4096 cpus Mike Travis
2008-04-08 21:53 ` [PATCH 0/2] NR_CPUS: increase maximum NR_CPUS to 4096 Yinghai Lu
2008-04-08 22:03 ` Mike Travis
2008-04-08 22:32 ` Yinghai Lu
-- strict thread matches above, loose matches on Subject: below --
2008-03-26 1:41 Mike Travis
2008-03-26 1:41 ` [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor Mike Travis
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