Re: [PATCH] mark address_space_operations const

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On Mon, May 08, 2006 at 10:56:36PM -0700, Greg KH wrote:
> On Tue, May 09, 2006 at 11:00:39AM +0530, Prasanna S Panchamukhi wrote:
> > On Wed, May 03, 2006 at 03:18:36PM +0200, Christoph Hellwig wrote:
> > > Same as with already do with the file operations:
> > > keep them in .rodata and prevents people from doing runtime patching.
> > 
> > I understand that making file operations .rodata was
> > to prevent binary driver authors overriding individual
> > file_operations members at runtime.
> > 
> > This patch prevents even GPL code from overriding address_space
> > operations. There might be in kernel users who want to override
> > address_space operations.
> 
> Are there any existing in-kernel users who wish to override these
> operations?
> 

Current prototype of user-space probes uses this feature.
http://lkml.org/lkml/2006/5/9/32

Thanks
Prasanna
-- 
Prasanna S Panchamukhi
Linux Technology Center
India Software Labs, IBM Bangalore
Email: prasanna@xxxxxxxxxx
Ph: 91-80-41776329
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