linux-kernel - Re: [PATCH v2] drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

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Message-Id: <172442543794.2791566.7487559494853957932.b4-ty@kernel.org>
Date: Fri, 23 Aug 2024 18:02:13 +0100
From: Will Deacon <will@...nel.org>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>,
	Shuai Xue <xueshuai@...ux.alibaba.com>,
	Jing Zhang <renyu.zj@...ux.alibaba.com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>
Subject: Re: [PATCH v2] drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

On Thu, 22 Aug 2024 11:33:31 +0800, Jing Zhang wrote:
> The alibaba_uncore_pmu driver forgot to clear all interrupt status
> in the interrupt processing function. After the PMU counter overflow
> interrupt occurred, an interrupt storm occurred, causing the system
> to hang.
> 
> Therefore, clear the correct interrupt status in the interrupt handling
> function to fix it.
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/1] drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
      https://git.kernel.org/will/c/a3dd920977dc

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev