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From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: mathieu.poirier@linaro.org,
	Yang Jihong <yangjihong1@huawei.com>,
	alexander.shishkin@linux.intel.com,
	john.garry@huawei.com,
	jonathan.cameron@huawei.com,
	yangyicong@hisilicon.com,
	linux-kernel@vger.kernel.org
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
	yangyicong@huawei.com,
	wangkefeng.wang@huawei.com
Subject: Re: [PATCH v2] hwtracing: hisi_ptt: Move type check to the beginning of hisi_ptt_pmu_event_init()
Date: Mon, 26 Feb 2024 14:35:18 +0000
Message-Id: <170895806567.105951.9088649560811181589.b4-ty@arm.com>
In-Reply-To: <20240108121906.3514820-1-yangjihong1@huawei.com>
References: <20240108121906.3514820-1-yangjihong1@huawei.com>
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On Mon, 8 Jan 2024 12:19:06 +0000, Yang Jihong wrote:
> When perf_init_event() calls perf_try_init_event() to init pmu driver,
> searches for the next pmu driver only when the return value is -ENOENT.
> Therefore, hisi_ptt_pmu_event_init() needs to check the type at the
> beginning of the function.
> Otherwise, in the case of perf-task mode, perf_try_init_event() returns
> -EOPNOTSUPP and skips subsequent pmu drivers, causes perf_init_event() to
> fail.
> 
> [...]

Applied, thanks!

[1/1] hwtracing: hisi_ptt: Move type check to the beginning of hisi_ptt_pmu_event_init()
      https://git.kernel.org/coresight/c/06226d120a28

Best regards,
-- 
Suzuki K Poulose <suzuki.poulose@arm.com>