linux-kernel - [PATCH v2 17/30] perf/alibaba_uncore: Assign parents for event

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240412161057.14099-18-Jonathan.Cameron@huawei.com>
Date: Fri, 12 Apr 2024 17:10:44 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mark Rutland <mark.rutland@....com>, Peter Zijlstra
	<peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de
 Melo <acme@...nel.org>, Will Deacon <will@...nel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<gregkh@...uxfoundation.org>
CC: <linuxarm@...wei.com>, Shaokun Zhang <zhangshaokun@...ilicon.com>, Yicong
 Yang <yangyicong@...ilicon.com>, Jiucheng Xu <jiucheng.xu@...ogic.com>,
	Khuong Dinh <khuong@...amperecomputing.com>, Atish Patra
	<atishp@...shpatra.org>, Anup Patel <anup@...infault.org>, Andy Gross
	<agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Frank Li
	<Frank.li@....com>, Shuai Xue <xueshuai@...ux.alibaba.com>, Vineet Gupta
	<vgupta@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Fenghua Yu
	<fenghua.yu@...el.com>, Dave Jiang <dave.jiang@...el.com>, Wu Hao
	<hao.wu@...el.com>, Tom Rix <trix@...hat.com>, <linux-fpga@...r.kernel.org>,
	Suzuki K Poulose <suzuki.poulose@....com>, Liang Kan
	<kan.liang@...ux.intel.com>
Subject: [PATCH v2 17/30] perf/alibaba_uncore: Assign parents for event_source device

Currently the PMU device appears directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parent to be the platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Reviewed-by: Shuai Xue <xueshuai@...ux.alibaba.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
 drivers/perf/alibaba_uncore_drw_pmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c
index a9277dcf90ce..aa378c765a74 100644
--- a/drivers/perf/alibaba_uncore_drw_pmu.c
+++ b/drivers/perf/alibaba_uncore_drw_pmu.c
@@ -709,6 +709,7 @@ static int ali_drw_pmu_probe(struct platform_device *pdev)
 
 	drw_pmu->pmu = (struct pmu) {
 		.module		= THIS_MODULE,
+		.parent		= &pdev->dev,
 		.task_ctx_nr	= perf_invalid_context,
 		.event_init	= ali_drw_pmu_event_init,
 		.add		= ali_drw_pmu_add,
-- 
2.39.2