From: Felix Fietkau <nbd@nbd.name>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: perf regression after "genirq/affinity: Handle affinity setting on inactive interrupts correctly"
Date: Fri, 21 Aug 2020 19:49:54 +0200 [thread overview]
Message-ID: <51480c84-e9c2-6508-4b3d-a63f93264587@nbd.name> (raw)
In-Reply-To: <c3bd7f1d-3126-d20d-67f3-2fed967a3ab9@nbd.name>
On 2020-08-21 19:38, Felix Fietkau wrote:
> Hi Thomas,
>
> after updating my MT7622 ARM64 device from Linux 5.4.52 to 5.4.59, perf
> stopped working. Whenever I started it, I got an IRQ storm on the second
> arm-pmu IRQ. After some digging, I figured out that reverting commit
> 9f8d3d2f79ba189ecc122d214d32396e5737963b ("genirq/affinity: Handle
> affinity setting on inactive interrupts correctly") made it work again.
Never mind, I just found your fix in 5.4.60 and it works for me.
Sorry for the noise :)
- Felix
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prev parent reply other threads:[~2020-08-21 17:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-21 17:38 perf regression after "genirq/affinity: Handle affinity setting on inactive interrupts correctly" Felix Fietkau
2020-08-21 17:49 ` Felix Fietkau [this message]
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