linux-kernel - Re: [PATCH 7/9] drivers/perf: hisi: Support PMUs with no interrupt

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Message-ID: <20250304181606.00000748@huawei.com>
Date: Tue, 4 Mar 2025 18:16:06 +0800
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Yicong Yang <yangyicong@...wei.com>
CC: <will@...nel.org>, <mark.rutland@....com>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<prime.zeng@...ilicon.com>, <linuxarm@...wei.com>,
	<yangyicong@...ilicon.com>, <wangyushan12@...wei.com>
Subject: Re: [PATCH 7/9] drivers/perf: hisi: Support PMUs with no interrupt

On Tue, 18 Feb 2025 17:19:58 +0800
Yicong Yang <yangyicong@...wei.com> wrote:

> From: Yicong Yang <yangyicong@...ilicon.com>
> 
> We'll have PMUs don't have an interrupt to indicate the counter
> overflow, but the Uncore PMU core assume all the PMUs have
> interrupt. So handle this case in the core. The existing PMUs
> won't be affected.
> 
> Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>