linux-kernel - Re: [PATCH V5 1/1] livepatch: Add stack

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Message-ID: <alpine.LSU.2.21.2410111320350.30734@pobox.suse.cz>
Date: Fri, 11 Oct 2024 13:20:56 +0200 (CEST)
From: Miroslav Benes <mbenes@...e.cz>
To: Wardenjohn <zhangwarden@...il.com>
cc: jpoimboe@...nel.org, jikos@...nel.org, pmladek@...e.com, 
    joe.lawrence@...hat.com, live-patching@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 1/1] livepatch: Add stack_order sysfs attribute

On Tue, 8 Oct 2024, 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@...e.com>
> Suggested-by: Miroslav Benes <mbenes@...e.cz>
> Suggested-by: Josh Poimboeuf <jpoimboe@...nel.org>
> Signed-off-by: Wardenjohn <zhangwarden@...il.com>

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

M