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From: Keith Busch <keith.busch@gmail.com>
To: Daniel Drake <drake@endlessm.com>
Cc: bhelgaas@google.com, Jens Axboe <axboe@kernel.dk>,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
	linux-pci@vger.kernel.org, linux-ide@vger.kernel.org,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme <linux-nvme@lists.infradead.org>,
	linux@endlessm.com
Subject: Re: [PATCH] PCI: Add Intel remapped NVMe device support
Date: Mon, 10 Jun 2019 10:00:30 -0600
Message-ID: <CAOSXXT7OFzHeTxNqZ1sS6giRxhDcrUUnVjURWBiFUc5T_8p=MA@mail.gmail.com> (raw)
In-Reply-To: <20190610074456.2761-1-drake@endlessm.com>

On Mon, Jun 10, 2019 at 1:45 AM Daniel Drake <drake@endlessm.com> wrote:
> +       /* We don't support sharing MSI interrupts between these devices */
> +       nrdev->bus->bus_flags |= PCI_BUS_FLAGS_NO_MSI;

And this is a problem, isn't it? Since we don't have an option to open
the MSI implementation in RAID mode, your experience will be much
better to disable this mode when using Linux as per the current
recommendation rather than limping along with legacy IRQ.

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-10  7:44 Daniel Drake
2019-06-10 16:00 ` Keith Busch [this message]
2019-06-11  2:46   ` Daniel Drake
2019-06-12 14:32     ` Keith Busch
2019-06-13  8:54       ` Christoph Hellwig
2019-06-14  2:26         ` Daniel Drake
2019-06-14 19:36           ` Keith Busch
2019-06-14 20:05             ` Bjorn Helgaas
2019-06-14 21:05               ` Keith Busch
2019-06-18  7:48                 ` Hannes Reinecke
2019-06-18  7:46           ` Hannes Reinecke
2019-06-18  8:06             ` Daniel Drake
2019-06-18 15:15               ` Hannes Reinecke
2019-06-19 13:52                 ` Bjorn Helgaas
2019-06-10 21:16 ` Bjorn Helgaas
2019-06-11  3:25   ` Daniel Drake
2019-06-11 19:52     ` Bjorn Helgaas
2019-06-12  3:16       ` Daniel Drake
2019-06-12 13:49         ` Bjorn Helgaas

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