linux-kernel - Re: [PATCH v2 01/11] genirq/affinity:: Export irq_create_affinity

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Message-ID: <20221206081847.GA8771@lst.de>
Date:   Tue, 6 Dec 2022 09:18:47 +0100
From:   Christoph Hellwig <hch@....de>
To:     Xie Yongji <xieyongji@...edance.com>
Cc:     mst@...hat.com, jasowang@...hat.com, tglx@...utronix.de,
        hch@....de, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/11] genirq/affinity:: Export
 irq_create_affinity_masks()

On Mon, Dec 05, 2022 at 04:41:17PM +0800, Xie Yongji wrote:
> Export irq_create_affinity_masks() so that some modules
> can make use of it to implement interrupt affinity
> spreading mechanism.

I don't think driver should be building low-level affinity masks.