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From:   Thomas Gleixner <tglx@linutronix.de>
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To:     John Garry <john.garry@huawei.com>, jejb@linux.ibm.com,
        martin.petersen@oracle.com, lenb@kernel.org, rjw@rjwysocki.net,
        gregkh@linuxfoundation.org, maz@kernel.org
Cc:     linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
        linuxarm@huawei.com, linux-acpi@vger.kernel.org, dwagner@suse.de,
        John Garry <john.garry@huawei.com>
Subject: Re: [PATCH v4 1/5] genirq/affinity: Add irq_update_affinity_desc()
In-Reply-To: <1606757759-6076-2-git-send-email-john.garry@huawei.com>
References: <1606757759-6076-1-git-send-email-john.garry@huawei.com> <1606757759-6076-2-git-send-email-john.garry@huawei.com>
Date:   Tue, 01 Dec 2020 00:19:40 +0100
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On Tue, Dec 01 2020 at 01:35, John Garry wrote:

> Add a function to allow the affinity of an interrupt be switched to
> managed, such that interrupts allocated for platform devices may be
> managed.

Could you please add a paragraph which explains the limitations of that
interface?

> +/**
> + * irq_update_affinity_desc - Update affinity management for an interrupt
> + * @irq:	The interrupt number to update
> + * @affinity:	Pointer to the affinity descriptor
> + *
> + * This interface can be used to configure the affinity management of
> + * interrupts which have been allocated already.

Same here.

Thanks,

        tglx