linux-kernel - Re: [PATCH] powerpc/32: Fix boot failure with GCC latent entropy plugin

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Date:   Mon, 27 Dec 2021 08:52:41 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     stable@...r.kernel.org, Emese Revfy <re.emese@...il.com>,
        linux-kernel@...r.kernel.org,
        Erhard Furtner <erhard_f@...lbox.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/32: Fix boot failure with GCC latent entropy plugin

On Wed, 22 Dec 2021 13:07:31 +0000, Christophe Leroy wrote:
> Boot fails with GCC latent entropy plugin enabled.
> 
> This is due to early boot functions trying to access 'latent_entropy'
> global data while the kernel is not relocated at its final
> destination yet.
> 
> As there is no way to tell GCC to use PTRRELOC() to access it,
> disable latent entropy plugin in early_32.o and feature-fixups.o and
> code-patching.o
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/32: Fix boot failure with GCC latent entropy plugin
      https://git.kernel.org/powerpc/c/bba496656a73fc1d1330b49c7f82843836e9feb1

cheers