From: Peter Zijlstra <peterz@infradead.org>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
linux-pm@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.9 28/39] intel_idle: Fix intel_idle() vs tracing
Date: Thu, 3 Dec 2020 18:10:35 +0100 [thread overview]
Message-ID: <20201203171035.GO2414@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201203132834.930999-28-sashal@kernel.org>
On Thu, Dec 03, 2020 at 08:28:22AM -0500, Sasha Levin wrote:
> From: Peter Zijlstra <peterz@infradead.org>
>
> [ Upstream commit 6e1d2bc675bd57640f5658a4a657ae488db4c204 ]
>
> cpuidle->enter() callbacks should not call into tracing because RCU
> has already been disabled. Instead of doing the broadcast thing
> itself, simply advertise to the cpuidle core that those states stop
> the timer.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Link: https://lkml.kernel.org/r/20201123143510.GR3021@hirez.programming.kicks-ass.net
> Signed-off-by: Sasha Levin <sashal@kernel.org>
This patch has a known compile issue, fix is pending.
next prev parent reply other threads:[~2020-12-03 17:11 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 13:27 [PATCH AUTOSEL 5.9 01/39] phy: usb: Fix incorrect clearing of tca_drv_sel bit in SETUP reg for 7211 Sasha Levin
2020-12-03 13:27 ` [PATCH AUTOSEL 5.9 02/39] arm64: dts: rockchip: Remove system-power-controller from pmic on Odroid Go Advance Sasha Levin
2020-12-03 13:27 ` [PATCH AUTOSEL 5.9 03/39] iwlwifi: pcie: limit memory read spin time Sasha Levin
2020-12-03 13:27 ` [PATCH AUTOSEL 5.9 04/39] arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards Sasha Levin
2020-12-03 13:27 ` [PATCH AUTOSEL 5.9 05/39] arm64: dts: rockchip: Reorder LED triggers from mmc devices on rk3399-roc-pc Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 06/39] iwlwifi: sta: set max HE max A-MPDU according to HE capa Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 07/39] iwlwifi: pcie: set LTR to avoid completion timeout Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 08/39] iwlwifi: mvm: fix kernel panic in case of assert during CSA Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 09/39] powerpc: Drop -me200 addition to build flags Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 10/39] arm64: dts: broadcom: clear the warnings caused by empty dma-ranges Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 11/39] ARC: stack unwinding: don't assume non-current task is sleeping Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 12/39] scsi: ufs: Fix unexpected values from ufshcd_read_desc_param() Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 13/39] scsi: ufs: Make sure clk scaling happens only when HBA is runtime ACTIVE Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 14/39] interconnect: qcom: msm8916: Remove rpm-ids from non-RPM nodes Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 15/39] interconnect: qcom: qcs404: Remove GPU and display RPM IDs Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 16/39] usbnet: ipheth: fix connectivity with iOS 14 Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 17/39] tun: honor IOCB_NOWAIT flag Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 18/39] ibmvnic: skip tx timeout reset while in resetting Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 19/39] irqchip/gic-v3-its: Unconditionally save/restore the ITS state on suspend Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 20/39] drm/exynos: depend on COMMON_CLK to fix compile tests Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 21/39] spi: spi-nxp-fspi: fix fspi panic by unexpected interrupts Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 22/39] arm-smmu-qcom: Ensure the qcom_scm driver has finished probing Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 23/39] habanalabs/gaudi: fix missing code in ECC handling Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 24/39] btrfs: do nofs allocations when adding and removing qgroup relations Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 25/39] btrfs: fix lockdep splat when enabling and disabling qgroups Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 26/39] soc: fsl: dpio: Get the cpumask through cpumask_of(cpu) Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 27/39] sched/idle: Fix arch_cpu_idle() vs tracing Sasha Levin
2020-12-03 14:54 ` Heiko Carstens
2020-12-03 17:10 ` Peter Zijlstra
2020-12-13 14:10 ` Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 28/39] intel_idle: Fix intel_idle() " Sasha Levin
2020-12-03 17:10 ` Peter Zijlstra [this message]
2020-12-13 14:11 ` Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 29/39] arm64: tegra: Disable the ACONNECT for Jetson TX2 Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 30/39] platform/x86: thinkpad_acpi: add P1 gen3 second fan support Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 31/39] platform/x86: thinkpad_acpi: Do not report SW_TABLET_MODE on Yoga 11e Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 32/39] platform/x86: thinkpad_acpi: Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 33/39] platform/x86: thinkpad_acpi: Whitelist P15 firmware for dual fan control Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 34/39] platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 35/39] platform/x86: intel-vbtn: Support for tablet mode on HP Pavilion 13 x360 PC Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 36/39] platform/x86: touchscreen_dmi: Add info for the Predia Basic tablet Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 37/39] platform/x86: touchscreen_dmi: Add info for the Irbis TW118 tablet Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 38/39] can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0 Sasha Levin
2020-12-03 13:28 ` [PATCH AUTOSEL 5.9 39/39] can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check Sasha Levin
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