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From: Robin Murphy <robin.murphy@arm.com>
To: Hanjun Guo <guohanjun@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Will Deacon <will@kernel.org>
Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf/smmuv3: Remove the leftover put_cpu() in error path
Date: Tue, 10 Dec 2019 11:04:36 +0000	[thread overview]
Message-ID: <9b32a687-5553-dc3f-da6c-2d5c88b7e311@arm.com> (raw)
In-Reply-To: <1575974784-55046-1-git-send-email-guohanjun@huawei.com>

On 10/12/2019 10:46 am, Hanjun Guo wrote:
> In smmu_pmu_probe(), there is put_cpu() in the error path,
> which is wrong because we use raw_smp_processor_id() to
> get the cpu ID, not get_cpu(), remove it.

Bah, somehow that slipped through the last round of review :)

Acked-by: Robin Murphy <robin.murphy@arm.com>

> Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
> ---
>   drivers/perf/arm_smmuv3_pmu.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
> index 773128f..fd1d46a 100644
> --- a/drivers/perf/arm_smmuv3_pmu.c
> +++ b/drivers/perf/arm_smmuv3_pmu.c
> @@ -834,7 +834,6 @@ static int smmu_pmu_probe(struct platform_device *pdev)
>   out_unregister:
>   	cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node);
>   out_cpuhp_err:
> -	put_cpu();
>   	return err;
>   }
>   
> 

  reply	other threads:[~2019-12-10 11:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 10:46 Hanjun Guo
2019-12-10 11:04 ` Robin Murphy [this message]
2019-12-10 13:24 ` Will Deacon
2019-12-10 13:55   ` Hanjun Guo
2019-12-10 14:10     ` Will Deacon
2019-12-11  6:22       ` Hanjun Guo

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