linux-kernel - Re: livepatch: old_name.number scheme in livepatch sysfs directory

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Message-ID: <20151102191511.GC24801@packer-debian-8-amd64.digitalocean.com>
Date:	Mon, 2 Nov 2015 14:15:11 -0500
From:	Jessica Yu <jeyu@...hat.com>
To:	Chris J Arges <chris.j.arges@...onical.com>
Cc:	live-patching@...r.kernel.org,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Seth Jennings <sjenning@...hat.com>,
	Jiri Kosina <jikos@...nel.org>,
	Vojtech Pavlik <vojtech@...e.com>, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: livepatch: old_name.number scheme in livepatch sysfs directory

+++ Chris J Arges [02/11/15 11:58 -0600]:
>The following directory structure will allow for cases when the same
>function name exists in a single object.
>	/sys/kernel/livepatch/<patch>/<object>/<function.number>
>
>The number is incremented on each known initialized func kobj thus creating
>unique names in this case.
>
>An example of this issue is documented here:
>	https://github.com/dynup/kpatch/issues/493
>
>Signed-off-by: Chris J Arges <chris.j.arges@...onical.com>

Thanks Chris. Verified that the patch fixes the panic caused by
multiple functions with the same name and object.

Acked-by: Jessica Yu <jeyu@...hat.com>
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