From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 2/2] nvme pci: try to allocate multiple irq vectors again in case of -EINVAL
Date: Wed, 26 Dec 2018 19:20:27 +0100 [thread overview]
Message-ID: <20181226182027.GA5866@lst.de> (raw)
In-Reply-To: <20181226103755.2101-3-ming.lei@redhat.com>
On Wed, Dec 26, 2018@06:37:55PM +0800, Ming Lei wrote:
> It is observed on QEMU that pci_alloc_irq_vectors_affinity() may
> returns -EINVAL when the requested number is too big(such as 64).
Which is not how this API is supposed to work and documented to work.
We need to fix pci_alloc_irq_vectors_affinity to not return a spurious
error and just return the allocated number of vectors instead of
hacking around that in drivers.
next prev parent reply other threads:[~2018-12-26 18:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-26 10:37 [PATCH 0/2] nvme pci: two fixes on nvme_setup_irqs Ming Lei
2018-12-26 10:37 ` [PATCH 1/2] nvme pci: fix nvme_setup_irqs() Ming Lei
2018-12-26 10:37 ` [PATCH 2/2] nvme pci: try to allocate multiple irq vectors again in case of -EINVAL Ming Lei
2018-12-26 18:20 ` Christoph Hellwig [this message]
2018-12-27 8:21 ` Ming Lei
2018-12-27 8:21 ` Ming Lei
2018-12-27 13:08 ` Christoph Hellwig
2018-12-27 13:08 ` Christoph Hellwig
2018-12-27 22:16 ` Ming Lei
2018-12-27 22:16 ` Ming Lei
2018-12-31 21:51 ` Bjorn Helgaas
2018-12-31 21:51 ` Bjorn Helgaas
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