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From: Alexandru Elisei <alexandru.elisei@arm.com>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: mark.rutland@arm.com, maz@kernel.org, will@kernel.org,
	catalin.marinas@arm.com
Subject: Re: [PATCH v5 0/7] arm_pmu: Use NMI for perf interrupt
Date: Thu, 25 Jun 2020 16:11:18 +0100	[thread overview]
Message-ID: <4c615abd-7eee-ac3d-1ce4-939906d26b87@arm.com> (raw)
In-Reply-To: <20200617113851.607706-1-alexandru.elisei@arm.com>

Hi,

On 6/17/20 12:38 PM, Alexandru Elisei wrote:
> The series makes the arm_pmu driver use NMIs for the perf interrupt when
> NMIs are available on the platform (currently, only arm64 + GICv3). To make
> it easier to play with the patches, I've pushed a branch at [1]:
>
> $ git clone -b pmu-nmi-v5 git://linux-arm.org/linux-ae

For people who wanted to test the series, but couldn't because their firmware was
setting SCR_EL3.FIQ, I pushed some patches [1] to fix that. Now pseudo-NMIs work
on all GICv3 security + SCR_EL3.FIQ combinations.

[1] https://lists.infradead.org/pipermail/linux-arm-kernel/2020-June/580143.html

Thanks,
Alex

      parent reply	other threads:[~2020-06-25 15:10 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17 11:38 [PATCH v5 0/7] arm_pmu: Use NMI for perf interrupt Alexandru Elisei
2020-06-17 11:38 ` [PATCH v5 1/7] arm64: perf: Add missing ISB in armv8pmu_enable_event() Alexandru Elisei
2020-06-17 20:01   ` Stephen Boyd
2020-06-18 10:50     ` Alexandru Elisei
2020-06-17 11:38 ` [PATCH v5 2/7] arm64: perf: Avoid PMXEV* indirection Alexandru Elisei
2020-06-17 20:11   ` Stephen Boyd
2020-06-18 10:51     ` Alexandru Elisei
2020-06-19  8:26       ` Stephen Boyd
2020-06-17 11:38 ` [PATCH v5 3/7] arm64: perf: Remove PMU locking Alexandru Elisei
2020-06-17 20:17   ` Stephen Boyd
2020-06-18 10:51     ` Alexandru Elisei
2020-06-19  8:29       ` Stephen Boyd
2020-07-03 13:45         ` Will Deacon
2020-06-17 11:38 ` [PATCH v5 4/7] arm64: perf: Defer irq_work to IPI_IRQ_WORK Alexandru Elisei
2020-06-22 14:19   ` Mark Rutland
2020-06-23  9:47     ` Alexandru Elisei
2020-06-17 11:38 ` [PATCH v5 5/7] arm64: kvm: pmu: Make overflow handler NMI safe Alexandru Elisei
2020-06-17 11:38 ` [PATCH v5 6/7] arm_pmu: Introduce pmu_irq_ops Alexandru Elisei
2020-06-17 20:23   ` Stephen Boyd
2020-06-18 10:51     ` Alexandru Elisei
2020-06-19  8:33       ` Stephen Boyd
2020-06-17 11:38 ` [PATCH v5 7/7] arm_pmu: arm64: Use NMIs for PMU Alexandru Elisei
2020-06-25 15:11 ` Alexandru Elisei [this message]

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