From mboxrd@z Thu Jan 1 00:00:00 1970 From: tbaicar@codeaurora.org (Tyler Baicar) Date: Wed, 1 Nov 2017 13:02:19 -0400 Subject: [PATCH 0/5] arm_pmu: fix lockdep issues with ACPI systems In-Reply-To: <20171101141239.45340-1-mark.rutland@arm.com> References: <20171101141239.45340-1-mark.rutland@arm.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/1/2017 10:12 AM, Mark Rutland wrote: > Currently the arm_pmu ACPI code is somewhat dubious. It attempts ot > allocate memory any manpiulate IRQs in a hotplug callback, which is an > atomic context. > > These patches (based on the arm64 for-next/core branch [1]) attempt to > address this by moving work out of hotplug callback, requiring a > reorganisation of the common arm_pmu code. > > I've given these a boot-test on a Juno R1 system, both with DT and ACPI. > In either case the PMU works as expected, and lockdep seems happy. Tested-by: Tyler Baicar Boot tested on Qualcomm Centriq 2400 and verified I no longer see the BUG print. Thanks, Tyler -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.