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Bare metal systems without PCI don't exist, so there's no real point in making PCI optional, it just breaks the build from time to time. In fact the build is broken now if you turn off PCI_MSI but enable KVM. Using select for PCI is OK because we (powerpc) define config PCI, and it has no dependencies. Selecting PCI_MSI is slightly fishy, because it's in drivers/pci and it is user-visible, but its only dependency is PCI, so selecting it can't actually lead to breakage. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.