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2170dd04316e0754cbbfa4892a25aead39d225f7
At the moment VFIO rightfully assumes that INTx is supported if the interrupt pin is not set to zero in the device config space. However if that is not the case (the pin is not zero but pdev->irq is), vfio_intx_enable() fails. In order to prevent the userspace from trying to enable INTx when we know that it cannot work, let's mask the PCI_INTERRUPT_PIN register. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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