linux-kernel - Re: struct exception_table

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Message-Id: <200904141636.11676.arnd@arndb.de>
Date:	Tue, 14 Apr 2009 16:36:11 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	michal.simek@...alogix.com
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: struct exception_table_entry

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 suppose it can be improved a bit, but should do the basic job.

	Arnd <><
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