linux-kernel - PCI irq affinity fix for 4.12

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Message-Id: <20170520132129.16430-1-hch@lst.de>
Date:   Sat, 20 May 2017 15:21:28 +0200
From:   Christoph Hellwig <hch@....de>
To:     bhelgaas@...gle.com
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: PCI irq affinity fix for 4.12

Hi Bjorn,

Steve found a case where the !CONFIG_PCI_MSI stub for pci_alloc_irq_vectors
did the wrong thing when used with the newly converted xhci driver.  While
the PCI code has been wrong since day 1 the fact that a newly converted
drivers triggers it makes it a regression in this cycle.