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

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Message-ID: <20241008171728.ue3pmqivppryhf2h@treble>
Date: Tue, 8 Oct 2024 10:17:28 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Wardenjohn <zhangwarden@...il.com>
Cc: mbenes@...e.cz, 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, 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@...e.com>
> Suggested-by: Miroslav Benes <mbenes@...e.cz>
> Suggested-by: Josh Poimboeuf <jpoimboe@...nel.org>
> Signed-off-by: Wardenjohn <zhangwarden@...il.com>

Acked-by: Josh Poimboeuf <jpoimboe@...nel.org>

-- 
Josh