linux-kernel - Re: [PATCH 1/7] livepatch: Apply vmlinux-specific KLP relocations early

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Message-ID: <20200414174406.GC2483@worktop.programming.kicks-ass.net>
Date:   Tue, 14 Apr 2020 19:44:06 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jessica Yu <jeyu@...nel.org>
Subject: Re: [PATCH 1/7] livepatch: Apply vmlinux-specific KLP relocations
 early

On Tue, Apr 14, 2020 at 11:28:37AM -0500, Josh Poimboeuf wrote:
> KLP relocations are livepatch-specific relocations which are applied to
>   1) vmlinux-specific KLP relocation sections
> 
>      .klp.rela.vmlinux.{sec}
> 
>      These are relocations (applied to the KLP module) which reference
>      unexported vmlinux symbols.
> 
>   2) module-specific KLP relocation sections
> 
>      .klp.rela.{module}.{sec}:
> 
>      These are relocations (applied to the KLP module) which reference
>      unexported or exported module symbols.

Is there something that disallows a module from being called 'vmlinux' ?
If not, we might want to enforce this somewhere.