Subject: Re: [PATCHv3 3/7] ia64: Add .opd based function descriptor dereference

From: Petr Mladek <[email-masked]>
Date: Wed, 4 Oct 2017 11:05:26 +0200

On Sat 2017-09-30 11:53:15, Sergey Senozhatsky wrote:
> We are moving towards separate kernel and module function descriptor
> dereference callbacks. This patch enables it for IA64.
> 
> For pointers that belong to the kernel
> -  Added __start_opd and __end_opd pointers, to track the kernel
>    .opd section address range;
> 
> -  Added dereference_kernel_function_descriptor(). Now we
>    will dereference only function pointers that are within
>    [__start_opd, __end_opd];
> 
> For pointers that belong to a module
> -  Added dereference_module_function_descriptor() to handle module
>    function descriptor dereference. Now we will dereference only
>    pointers that are within [module->opd.start, module->opd.end].
> 
> Signed-off-by: Sergey Senozhatsky <[email-masked]>
> Tested-by: Helge Deller <[email-masked]> # parisc64
> Tested-by: Santosh Sivaraj <[email-masked]> # powerpc64
> Acked-by: Michael Ellerman <[email-masked]> # powerpc64
> Tested-by: Tony Luck <[email-masked]> # ia64

Looks good to me.

Reviewed-by: Petr Mladek <[email-masked]>

Best Regards,
Petr