Re: [PATCH V5 1/1] livepatch: Add stack_order sysfs attribute

From: Josh Poimboeuf
Date: Tue Oct 08 2024 - 13:17:36 EST


On Tue, Oct 08, 2024 at 09:48:56AM +0800, Wardenjohn wrote:
> Add "stack_order" sysfs attribute which holds the order in which a live
> patch module was loaded into the system. A user can then determine an
> active live patched version of a function.
>
> cat /sys/kernel/livepatch/livepatch_1/stack_order -> 1
>
> means that livepatch_1 is the first live patch applied
>
> cat /sys/kernel/livepatch/livepatch_module/stack_order -> N
>
> means that livepatch_module is the Nth live patch applied
>
> Suggested-by: Petr Mladek <pmladek@xxxxxxxx>
> Suggested-by: Miroslav Benes <mbenes@xxxxxxx>
> Suggested-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Signed-off-by: Wardenjohn <zhangwarden@xxxxxxxxx>

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

--
Josh