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Date:   Tue, 28 Jul 2015 12:15:02 +0200
From:   Ralf Baechle <ralf@linux-mips.org>
To:     Felix Fietkau <nbd@openwrt.org>
Cc:     linux-mips@linux-mips.org, abrestic@chromium.org
Subject: Re: [PATCH] MIPS: export get_c0_perfcount_int()
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On Thu, Jul 23, 2015 at 06:59:52PM +0200, Felix Fietkau wrote:
> Date:   Thu, 23 Jul 2015 18:59:52 +0200
> From: Felix Fietkau <nbd@openwrt.org>
> To: linux-mips@linux-mips.org
> Cc: abrestic@chromium.org, ralf@linux-mips.org
> Subject: [PATCH] MIPS: export get_c0_perfcount_int()
> 
> get_c0_perfcount_int is tested from oprofile code. If oprofile is
> compiled as module, get_c0_perfcount_int needs to be exported, otherwise
> it cannot be resolved.
> 
> Fixes: a669efc4a3b4 ("MIPS: Add hook to get C0 performance counter interrupt")
> Cc: stable@vger.kernel.org # v3.19+

You didn't actually cc this email to stable@vger.kernel.org.

> Signed-off-by: Felix Fietkau <nbd@openwrt.org>
> ---
>  arch/mips/ath79/setup.c          | 1 +
>  arch/mips/lantiq/irq.c           | 1 +
>  arch/mips/mti-malta/malta-time.c | 1 +
>  arch/mips/mti-sead3/sead3-time.c | 1 +
>  arch/mips/pistachio/time.c       | 1 +

Pistachio was merged for 4.1 so this patch won't apply to older kernels.
You may also want to submit a separate version for those -stable kernels.

Applied.

  Ralf