Re: [PATCH v14 01/11] livepatch: Change unsigned long old_addr -> void *old_func in struct klp_func

[Alice Ferrazzi]

The 11/29/2018 10:44, Petr Mladek wrote:
> The address of the to be patched function and new function is stored
s/new/the new/
> in struct klp_func as:
> 
> 	void *new_func;
> 	unsigned long old_addr;
> 
> The different naming scheme and type is derived from the way how
s/is/are/
> the addresses are set. @old_addr is assigned at runtime using
> kallsyms-based search. @new_func is statically initialized,
> for example:
> 
>   static struct klp_func funcs[] = {
> 	{
> 		.old_name = "cmdline_proc_show",
> 		.new_func = livepatch_cmdline_proc_show,
> 	}, { }
>   };
> 
> This patch changes unsigned log old_addr -> void *old_func. It removes
> some confusion when these address are later used in the code. It is
> motivated by a followup patch that adds special NOP struct klp_func
> where we want to assign func->new_func = func->old_addr respectively
> func->new_func = func->old_func.
> 
> This patch does not modify the existing behavior.
> 
> Suggested-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>

Acked-by: Alice Ferrazzi <alice.ferrazzi@xxxxxxxxx>
-- 
======================================
Alice Ferrazzi
PGP: 2E4E 0856 461C 0585 1336 F496 5621 A6B2 8638 781A
======================================

Attachment: signature.asc
Description: Digital signature