linux-kernel - Re: struct exception_table

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Message-ID: <49E57D06.3020500@petalogix.com>
Date:	Wed, 15 Apr 2009 08:21:58 +0200
From:	Michal Simek <michal.simek@...alogix.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: struct exception_table_entry

Arnd Bergmann wrote:
> On Thursday 09 April 2009, Michal Simek wrote:
>
>   
>> I am doing some cleanup things in MB MMU kernel and I looked at
>> exception_table_entry structure.
>> Only alpha use different types among others. Some arch use only
>> different names and types int/long.
>> I think that this structure could be moved to any generic location ->
>> asm-generic/uaccess.h folder.
>>
>> I think that this structure types should be acceptable for every archs?
>>
>> #ifndef exception_table_entry
>> struct exception_table_entry {
>>     unsigned long insn;
>>     unsigned long fixup;
>> };
>> #endif
>>
>> What do you think?
>>     
>
> Yes, sounds good to me. Have you tried using my generic version of
> uaccess.h on microblaze? It already contains a definition like this,
> though most of the header doesn't apply for MMU-based architectures.
>   
I haven't had time to look at it but it is on my list.
> I suppose it can be improved a bit, but should do the basic job.
>   
yes of course. That was just my idea. Use it only for MMU kernels +
#ifndef for structure
doesn't work I think.

Thanks,
Michal
> 	Arnd <><
>   


-- 
Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663

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