linux-kernel - Re: [PATCH 0/19] desc

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Date:	Wed, 12 Dec 2007 16:27:05 -0200
From:	Glauber de Oliveira Costa <gcosta@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	glommer@...il.com, tglx@...utronix.de, ehabkost@...hat.com,
	jeremy@...p.org, avi@...ranet.com, anthony@...emonkey.ws,
	virtualization@...ts.linux-foundation.org, rusty@...tcorp.com.au,
	ak@...e.de, chrisw@...s-sol.org, rostedt@...dmis.org,
	hpa@...or.com, zach@...are.com, roland@...hat.com
Subject: Re: [PATCH 0/19] desc_struct integration

Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
>>>> Ingo, in the absense of further complaints, could you please push 
>>>> to the x86 tree?
>>> yeah, i've added them.
>> the patches cause a spontaneous reboot on x86 64-bit, around the time 
>> when bootup hits user-space. It's due to one of the 25 patches from 
>> you today. Config attached.
> 
> likely caused by this patch:
> 
>   Subject: unify non-paravirt parts of desc.h
> 
> _please_ be more careful when unifying. Do check the before/after 
> vmlinux - the binary size at least. And watch out for compiler warnings 
> as well:
> 
>  arch/x86/kernel/process_64.c: In function 'read_32bit_tls':
>  arch/x86/kernel/process_64.c:454: warning: passing argument 1 of 'get_desc_base' from incompatible pointer type
I saw this warning, and this was fixed in the patch that follows. But 
yeah, I could have done a separate one, to avoid it. Do you have any 
other reason to believe this is the cause?

My box booted fine with the changes, but I'm re-verifying, and will send 
and update soon.

> i've pulled the patches from the tree for now.
Ok, I'll investigate it, meanwhile.

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