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

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Message-ID: <Z1bihaY1sJkioopk@pathway.suse.cz>
Date: Mon, 9 Dec 2024 13:28:53 +0100
From: Petr Mladek <pmladek@...e.com>
To: Wardenjohn <zhangwarden@...il.com>
Cc: jpoimboe@...nel.org, mbenes@...e.cz, jikos@...nel.org,
	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 2024-10-08 09:48:56, 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>

JFYI, the patch has been comitted into livepatching.git,
branch for-6.14/stack-order.

Note that I have updated the version in the ABI
documentation to 6.14.

Best Regards,
Petr