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[PATCH 1/2] boot: increase stack size for kernel boot loader decompressor

Previous thread: [PATCH 2/2] x86: Modify Kconfig to allow up to 4096 cpus by Mike Travis on Tuesday, March 25, 2008 - 9:41 pm. (7 messages)

Next thread: Linux 2.6.25-rc7 by Linus Torvalds on Tuesday, March 25, 2008 - 10:07 pm. (12 messages)
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From: Mike Travis <travis@...>
To: Andrew Morton <akpm@...>
Cc: Ingo Molnar <mingo@...>, <linux-mm@...>, <linux-kernel@...>
Subject: [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor
Date: Tuesday, March 25, 2008 - 9:41 pm

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

	git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.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

 user_stack_end:


--

--
Previous thread: [PATCH 2/2] x86: Modify Kconfig to allow up to 4096 cpus by Mike Travis on Tuesday, March 25, 2008 - 9:41 pm. (7 messages)

Next thread: Linux 2.6.25-rc7 by Linus Torvalds on Tuesday, March 25, 2008 - 10:07 pm. (12 messages)