linux-kernel - Re: [PATCH] powerpc/powermac: Add missing lockdep_register

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Date:   Wed, 08 Dec 2021 00:27:12 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Erhard Furtner <erhard_f@...lbox.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/powermac: Add missing lockdep_register_key()

On Tue, 30 Nov 2021 10:32:42 +0100, Christophe Leroy wrote:
> KeyWest i2c @0xf8001003 irq 42 /uni-n@...00000/i2c@...01000
> BUG: key c2d00cbc has not been registered!
> ------------[ cut here ]------------
> DEBUG_LOCKS_WARN_ON(1)
> WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:4801 lockdep_init_map_type+0x4c0/0xb4c
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.5-gentoo-PowerMacG4 #9
> NIP:  c01a9428 LR: c01a9428 CTR: 00000000
> REGS: e1033cf0 TRAP: 0700   Not tainted  (5.15.5-gentoo-PowerMacG4)
> MSR:  00029032 <EE,ME,IR,DR,RI>  CR: 24002002  XER: 00000000
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/powermac: Add missing lockdep_register_key()
      https://git.kernel.org/powerpc/c/df1f679d19edb9eeb67cc2f96b29375f21991945

cheers