Messages in this thread Patch in this message | | | Date | Sun, 12 Oct 2008 10:51:03 +0200 | From | Petr Vandrovec <> | Subject | [PATCH] Fix early panic on amd64 due to typo in supported CPU section |
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It seems that I forgot to CC LKML on that one... Petr
----- Forwarded message from Petr Vandrovec <petr@vandrovec.name> -----
Date: Sun, 12 Oct 2008 10:01:26 +0200 From: Petr Vandrovec <petr@vandrovec.name> To: thomas.petazzoni@free-electrons.com Cc: mingo@elte.hu, tglx@linutronix.de, torvalds@linux-foundation.org Subject: [PATCH] Fix early panic on amd64 due to typo in supported CPU section
Do not crash when enumerating supported CPU architectures
SECURITY_INIT somehow ended up in x86_cpu_dev.init section. That caused printk in code which prints supported architectures to hit #GP due to non-canonical address being used.
Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 201e81a..46e0544 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -172,8 +172,8 @@ SECTIONS .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { *(.x86_cpu_dev.init) } - SECURITY_INIT __x86_cpu_dev_end = .; + SECURITY_INIT . = ALIGN(8); .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { ----- End forwarded message -----
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