linux-kernel - Re: [PATCH v2] powerpc/4xx: Fix setup

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Message-Id: <162505885820.174506.3727018626821602076.b4-ty@ellerman.id.au>
Date:   Wed, 30 Jun 2021 23:14:18 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] powerpc/4xx: Fix setup_kuep() on SMP

On Tue, 29 Jun 2021 12:24:21 +0000 (UTC), Christophe Leroy wrote:
> On SMP, setup_kuep() is also called from start_secondary() since
> commit 86f46f343272 ("powerpc/32s: Initialise KUAP and KUEP in C").
> 
> start_secondary() is not an __init function.
> 
> Remove the __init marker from setup_kuep() and bail out when
> not caller on the first CPU as the work is already done.

Applied to powerpc/next.

[1/1] powerpc/4xx: Fix setup_kuep() on SMP
      https://git.kernel.org/powerpc/c/fc4999864bca323f1b844fefe1b402632443c076

cheers