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Date:   Fri,  3 May 2019 16:59:08 +1000 (AEST)
From:   Michael Ellerman <>
To:     Mathieu Malaterre <>
Cc:     Mathieu Malaterre <>,,
        Nicholas Piggin <>,
        Paul Mackerras <>,
Subject: Re: [PATCH v2] powerpc/64s: Remove 'dummy_copy_buffer'

On Wed, 2019-03-13 at 20:00:30 UTC, Mathieu Malaterre wrote:
> In commit 2bf1071a8d50 ("powerpc/64s: Remove POWER9 DD1 support") the
> function __switch_to remove usage for 'dummy_copy_buffer'. Since it is
> not used anywhere else, remove it completely.
> This remove the following warning:
>   arch/powerpc/kernel/process.c:1156:17: error: 'dummy_copy_buffer' defined but not used [-Werror=unused-const-variable=]
> Cc: Nicholas Piggin <>
> Suggested-by: Christophe Leroy <>
> Signed-off-by: Mathieu Malaterre <>

Applied to powerpc next, thanks.


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