From: John Garry <john.garry@huawei.com>
To: Qi Liu <liuqi115@huawei.com>, <will@kernel.org>, <mark.rutland@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linuxarm@huawei.com>,
<zhangshaokun@hisilicon.com>
Subject: Re: [PATCH v4 1/2] drivers/perf: hisi: Associate PMUs in SICL with CPUs online
Date: Thu, 7 Apr 2022 14:03:44 +0100 [thread overview]
Message-ID: <48e9e622-30b5-0aeb-2860-bf2ea9bff939@huawei.com> (raw)
In-Reply-To: <20220407124617.54521-2-liuqi115@huawei.com>
On 07/04/2022 13:46, Qi Liu wrote:
> If a PMU is in a SICL (Super IO cluster), it is not appropriate to
> associate this PMU with a CPU die. So we associate it with all CPUs
> online.
>
> As the firmware of Hip09 platform hasn't been published yet, change
> of PMU driver will not influence backwards compatibility between
> driver and firmware.
>
> Signed-off-by: Qi Liu<liuqi115@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
next prev parent reply other threads:[~2022-04-07 13:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-07 12:46 [PATCH v4 0/2] Add Support for HiSilicon CPA PMU Qi Liu
2022-04-07 12:46 ` [PATCH v4 1/2] drivers/perf: hisi: Associate PMUs in SICL with CPUs online Qi Liu
2022-04-07 13:03 ` John Garry [this message]
2022-04-07 12:46 ` [PATCH v4 2/2] drivers/perf: hisi: Add Support for CPA PMU Qi Liu
2022-04-07 13:10 ` John Garry
2022-04-08 1:47 ` liuqi (BA)
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