From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Yicong Yang <yangyicong@hisilicon.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Sasha Levin <sashal@kernel.org>,
jonathan.cameron@huawei.com, alexander.shishkin@linux.intel.com
Subject: [PATCH AUTOSEL 6.1 02/29] hwtracing: hisi_ptt: Don't try to attach a task
Date: Mon, 11 Dec 2023 08:53:46 -0500 [thread overview]
Message-ID: <20231211135457.381397-2-sashal@kernel.org> (raw)
In-Reply-To: <20231211135457.381397-1-sashal@kernel.org>
From: Yicong Yang <yangyicong@hisilicon.com>
[ Upstream commit aff787f64ad7cbb54614b51b82c682fe06411ef3 ]
PTT is an uncore PMU and shouldn't be attached to any task. Block
the usage in pmu::event_init().
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20231010084731.30450-5-yangyicong@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/hwtracing/ptt/hisi_ptt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
index 75a8f24fdafee..0a7190f2ba01d 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -659,6 +659,9 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
}
+ if (event->attach_state & PERF_ATTACH_TASK)
+ return -EOPNOTSUPP;
+
if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type)
return -ENOENT;
--
2.42.0
next prev parent reply other threads:[~2023-12-11 13:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-11 13:53 [PATCH AUTOSEL 6.1 01/29] hwtracing: hisi_ptt: Handle the interrupt in hardirq context Sasha Levin
2023-12-11 13:53 ` Sasha Levin [this message]
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 03/29] ASoC: wm8974: Correct boost mixer inputs Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 04/29] arm64: dts: rockchip: fix rk356x pcie msg interrupt name Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 05/29] ASoC: Intel: Skylake: Fix mem leak in few functions Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 06/29] ASoC: nau8822: Fix incorrect type in assignment and cast to restricted __be16 Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 07/29] ASoC: Intel: Skylake: mem leak in skl register function Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 08/29] ASoC: cs43130: Fix the position of const qualifier Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 09/29] ASoC: cs43130: Fix incorrect frame delay configuration Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 10/29] ASoC: rt5650: add mutex to avoid the jack detection failure Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 11/29] ASoC: SOF: mediatek: mt8186: Add Google Steelix topology compatible Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 12/29] ASoC: Intel: skl_hda_dsp_generic: Drop HDMI routes when HDMI is not available Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 13/29] nouveau/tu102: flush all pdbs on vmm flush Sasha Levin
2023-12-11 14:10 ` Timur Tabi
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 14/29] ASoC: amd: yc: Add DMI entry to support System76 Pangolin 13 Sasha Levin
2023-12-11 13:53 ` [PATCH AUTOSEL 6.1 15/29] ASoC: hdac_hda: Conditionally register dais for HDMI and Analog Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 16/29] net/tg3: fix race condition in tg3_reset_task() Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 17/29] ASoC: da7219: Support low DC impedance headset Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 18/29] ASoC: ops: add correct range check for limiting volume Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 19/29] nvme: introduce helper function to get ctrl state Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 20/29] nvme: prevent potential spectre v1 gadget Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 21/29] arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 22/29] mips/smp: Call rcutree_report_cpu_starting() earlier Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 23/29] drm/amd/display: Use channel_width = 2 for vram table 3.0 Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 24/29] drm/amd/display: Add monitor patch for specific eDP Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 25/29] drm/amdgpu: Add NULL checks for function pointers Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 26/29] drm/exynos: fix a potential error pointer dereference Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 27/29] drm/exynos: fix a wrong error checking Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 28/29] hwmon: (corsair-psu) Fix probe when built-in Sasha Levin
2023-12-11 13:54 ` [PATCH AUTOSEL 6.1 29/29] LoongArch: Preserve syscall nr across execve() Sasha Levin
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