From: helgaas@kernel.org (Bjorn Helgaas)
Subject: [PATCH 6/8] pci: provide sensible irq vector alloc/free routines
Date: Mon, 2 May 2016 08:11:24 -0500 [thread overview]
Message-ID: <20160502131124.GA18527@localhost> (raw)
In-Reply-To: <20160501180149.GA11131@lst.de>
On Sun, May 01, 2016@08:01:49PM +0200, Christoph Hellwig wrote:
> FYI, I spent some time trying to convert more drivers to this, and
> I think we'll need an additional flag to skip MSI or MSI-X as there
> is plenty of hardware claiming support in the capabilities flag,
> but not actually supporting one of them.
Or maybe add a "pdev->msix_broken" bit and quirks to set it? Or if
pci_fixup_final quirks merely cleared pdev->msix_cap, I think the PCI
core would never try to enable MSI-X.
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <helgaas@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: tglx@linutronix.de, linux-block@vger.kernel.org,
linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-kernel@vger.kernel.org,
Alexander Gordeev <agordeev@redhat.com>
Subject: Re: [PATCH 6/8] pci: provide sensible irq vector alloc/free routines
Date: Mon, 2 May 2016 08:11:24 -0500 [thread overview]
Message-ID: <20160502131124.GA18527@localhost> (raw)
In-Reply-To: <20160501180149.GA11131@lst.de>
On Sun, May 01, 2016 at 08:01:49PM +0200, Christoph Hellwig wrote:
> FYI, I spent some time trying to convert more drivers to this, and
> I think we'll need an additional flag to skip MSI or MSI-X as there
> is plenty of hardware claiming support in the capabilities flag,
> but not actually supporting one of them.
Or maybe add a "pdev->msix_broken" bit and quirks to set it? Or if
pci_fixup_final quirks merely cleared pdev->msix_cap, I think the PCI
core would never try to enable MSI-X.
next prev parent reply other threads:[~2016-05-02 13:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-16 1:35 RFC: automatic interrupt affinity for MSI/MSI-X capable devices Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 1/8] device: Add irq affinity hint cpumask pointer Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 2/8] genirq: Make use of dev->irq_affinity Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 3/8] genirq: add a helper spread an affinity mask for MSI/MSI-X vectors Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 4/8] genirq: add a helper to program the pre-set affinity mask into the controller Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 5/8] blk-mq: allow the driver to pass in an affinity mask Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-16 1:35 ` [PATCH 6/8] pci: provide sensible irq vector alloc/free routines Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-29 21:16 ` Bjorn Helgaas
2016-04-29 21:16 ` Bjorn Helgaas
2016-05-01 18:01 ` Christoph Hellwig
2016-05-01 18:01 ` Christoph Hellwig
2016-05-02 13:11 ` Bjorn Helgaas [this message]
2016-05-02 13:11 ` Bjorn Helgaas
2016-05-02 14:42 ` Christoph Hellwig
2016-05-02 14:42 ` Christoph Hellwig
2016-05-02 15:29 ` Bjorn Helgaas
2016-05-02 15:29 ` Bjorn Helgaas
2016-05-03 21:19 ` Christoph Hellwig
2016-05-03 21:19 ` Christoph Hellwig
2016-05-03 21:37 ` Bjorn Helgaas
2016-05-03 21:37 ` Bjorn Helgaas
2016-04-16 1:35 ` [PATCH 7/8] pci: spread interrupt vectors in pci_alloc_irq_vectors Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
2016-04-18 8:30 ` Thomas Gleixner
2016-04-18 8:30 ` Thomas Gleixner
2016-04-16 1:35 ` [PATCH 8/8] nvme: switch to use pci_alloc_irq_vectors Christoph Hellwig
2016-04-16 1:35 ` Christoph Hellwig
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