linux-kernel - Re: [PATCH V3 1/5] genirq/affinity: don't mark 'affd' as const

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Message-ID: <alpine.DEB.2.21.1902190718160.1644@nanos.tec.linutronix.de>
Date:   Tue, 19 Feb 2019 07:19:43 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     陈华才 <chenhc@...ote.com>
cc:     Huacai Chen <chenhuacai@...il.com>,
        Keith Busch <keith.busch@...el.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Jens Axboe <axboe@...nel.dk>, Sagi Grimberg <sagi@...mberg.me>,
        linux-pci <linux-pci@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-nvme <linux-nvme@...ts.infradead.org>,
        Ming Lei <ming.lei@...hat.com>,
        linux-block <linux-block@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH V3 1/5] genirq/affinity: don't mark 'affd' as const

On Tue, 19 Feb 2019, 陈华才 wrote:
> 
> I've tested, this patch can fix the nvme problem, but it can't be applied
> to 4.19 because of different context. And, I still think my original solution
> (genirq/affinity: Assign default affinity to pre/post vectors) is correct.
> There may be similar problems except nvme.

As I explained you in great length, it is not correct because it's just
papering over the underlying problem.

Please stop advertising semantically broken duct tape solutions.

Thanks,

	tglx