linux-kernel - Re: [GIT PULL] objtool/urgent for v6.4

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Message-ID: <CAHk-=wgQsAB-5_9vF3Ok26=Wf55ayNJ80eMVVYtgrLZ-if5BVg@mail.gmail.com>
Date:   Sun, 25 Jun 2023 10:09:25 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] objtool/urgent for v6.4

On Sun, 25 Jun 2023 at 02:28, Borislav Petkov <bp@...en8.de> wrote:
>
> - Add a ORC format hash to vmlinux and modules in order for other tools
>   which use it, to detect changes to it and adapt accordingly

Hmm. That "hash" is pretty horrendous. If I read that awk script
right, it will change for things like whitespace changes (or comment
changes) as long as they are around those magic #defines or the
'orc_entry' definition.

I've pulled this, but it all seems pretty random and hacky.

              Linus