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From: Valentine Barshak <vbarshak@ru•mvista.com>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: linuxppc-dev@ozlabs•org, Olof Johansson <olof@lixom•net>,
	Josh Boyer <jwboyer@gmail•com>, Stefan Roese <sr@denx•de>,
	David Gibson <david@gibson•dropbear.id.au>
Subject: Re: Sequoia kernel crash workaround.
Date: Mon, 24 Sep 2007 14:35:49 +0400	[thread overview]
Message-ID: <46F79305.9050300@ru.mvista.com> (raw)
In-Reply-To: <1190535664.3723.16.camel@localhost.localdomain>

Benjamin Herrenschmidt wrote:
> On Thu, 2007-09-20 at 12:29 -0500, Josh Boyer wrote:
>> On Thu, 20 Sep 2007 12:25:06 -0500
>> Olof Johansson <olof@lixom•net> wrote:
>>
>>> On Thu, Sep 20, 2007 at 08:56:32PM +0400, Valentine Barshak wrote:
>>>> I was thinking about it. Looks like it's the best place, but the code that 
>>>> actually calls setup_cpu is under ifdef CONFIG_PPC64, while lots of 
>>>> cpu_setup functions are defined for ppc32 processors.
>>>> Is it OK to remove this ifdef, or should I do CONFIG_PPC64 || CONFIG_44x?
>>> Sounds like something that went wrong at the merge of ppc and ppc64.
>>>
>>> Take out the ifdef, even if there's fallout we should deal with it
>>> instead of adding more complex ifdefs.
>> Yeah.  Looks like BenH did this in commit:
>>
>> 42c4aaadb737e0e672b3fb86b2c41ff59f0fb8bc
>>
>> Ben, any reason you ifdef'd it for ppc64?
> 
> I'll have to check on monday what's up there, but isn't setup_cpu called
> from a different place on 32 bits? There are some subtle difference with
> the way the cpu feature stuff is initialized /done between 32 and 64
> bits that we haven't fully reconciled yet. 
> 
> Ben.
> 

 From what I've seen, setup_cpu is never called for BOOKE.
Currently It's called from cputable.c for PPC64 and from head_32.S for 6xx.
Thanks,
Valentine.

> 

  reply	other threads:[~2007-09-24 10:36 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-19 18:39 Sequoia kernel crash workaround Valentine Barshak
2007-09-19 19:12 ` Josh Boyer
2007-09-19 19:19 ` Stefan Roese
2007-09-19 19:30   ` Olof Johansson
2007-09-19 20:08     ` Josh Boyer
2007-09-20 16:56       ` Valentine Barshak
2007-09-20 17:25         ` Olof Johansson
2007-09-20 17:29           ` Josh Boyer
2007-09-23  8:21             ` Benjamin Herrenschmidt
2007-09-24 10:35               ` Valentine Barshak [this message]
2007-09-24 20:55                 ` Benjamin Herrenschmidt
2007-09-24 21:01                   ` Josh Boyer
2007-09-20 18:03           ` Olof Johansson
2007-09-20 17:32         ` Milton Miller
2007-09-20 17:55           ` [PATCH] PowerPC: add setup_cpu for 44x for processor-specific init Valentine Barshak
2007-09-20 18:13             ` Josh Boyer
2007-09-20 18:15               ` Valentine Barshak
2007-09-20 18:54             ` Kumar Gala
2007-09-20 18:55               ` Valentine Barshak
2007-09-21  1:34             ` Paul Mackerras
2007-09-20 18:02           ` Sequoia kernel crash workaround Josh Boyer
2007-09-20 18:13             ` Valentine Barshak

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