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

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Message-ID: <tencent_6C5D1EC74B826B1E2F22293C@qq.com>
Date:   Tue, 19 Feb 2019 08:42:27 +0800
From:   "陈华才" <chenhc@...ote.com>
To:     "Thomas Gleixner" <tglx@...utronix.de>,
        "Huacai Chen" <chenhuacai@...il.com>
Cc:     "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

My lemote.com email is too weak, I'll stop top post because this time I've
cc-ed my gmail.

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.
 
Huacai

------------------ Original ------------------
From:  "Thomas Gleixner"<tglx@...utronix.de>;
Date:  Thu, Feb 14, 2019 09:31 PM
To:  "陈华才"<chenhc@...ote.com>;
Cc:  "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 Thu, 14 Feb 2019, 陈华才 wrote:

Please do not top post....

> I'll test next week, but 4.19 has the same problem, how to fix that for 4.19?

By applying the very same patch perhaps?

Thanks,

tglx