linux-kernel - Re: [PATCHSET x86/master] add stack protector support for x86

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Date:	Mon, 9 Feb 2009 15:12:09 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	hpa@...or.com, jeremy@...p.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, x86@...nel.org, rusty@...tcorp.com.au
Subject: Re: [PATCHSET x86/master] add stack protector support for x86_32


* Ingo Molnar <mingo@...e.hu> wrote:

> [...] I might not get around testing it today and pushing it out into tip:master, 
> but i pushed out the core/percpu bits, should you queue up further changes.

ok, activated it for -tip testing, and there's a 64-bit build failure caused by 
it:

arch/x86/kernel/head64.o: In function `x86_64_start_reservations':
head64.c:(.init.text+0x26): undefined reference to `__stack_chk_guard'
head64.c:(.init.text+0xc2): undefined reference to `__stack_chk_guard'
arch/x86/kernel/head64.o: In function `x86_64_start_kernel':
head64.c:(.init.text+0x104): undefined reference to `__stack_chk_guard'
head64.c:(.init.text+0x1cd): undefined reference to `__stack_chk_guard'
arch/x86/kernel/head.o: In function `reserve_ebda_region':
head.c:(.init.text+0xb): undefined reference to `__stack_chk_guard'
arch/x86/kernel/head.o:head.c:(.init.text+0x87): more undefined references to 
`__stack_chk_guard' follow

config attached.

	Ingo

View attachment "config" of type "text/plain" (65206 bytes)