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PCI subsystem has support for drivers limiting the number of VFs available below what the IOV capability claims. Make use of it. While at it remove the #ifdef/#endif on CONFIG_PCI_IOV, it was there to avoid unnecessary warnings in case device read failed but kernel doesn't have SR-IOV support anyway. Device reads should not fail. Note that we still need the driver-internal check for the case where max VFs is 0 since PCI subsystem treats 0 as limit not set. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.