[RFC PATCH 5/7] x86/module: perpare module loading for ROX allocations of text

Mike Rapoport rppt at kernel.org
Sun Apr 14 17:35:43 AEST 2024


On Fri, Apr 12, 2024 at 11:08:00AM +0200, Ingo Molnar wrote:
> 
> * Mike Rapoport <rppt at kernel.org> wrote:
> 
> >  	for (s = start; s < end; s++) {
> >  		void *addr = (void *)s + *s;
> > +		void *wr_addr = addr + module_writable_offset(mod, addr);
> 
> So instead of repeating this pattern in a dozen of places, why not use a 
> simpler method:
> 
> 		void *wr_addr = module_writable_address(mod, addr);
> 
> or so, since we have to pass 'addr' to the module code anyway.

Agree.
 
> The text patching code is pretty complex already.
> 
> Thanks,
> 
> 	Ingo

-- 
Sincerely yours,
Mike.


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