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Just because CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK is selected doesn't mean that all the interrupts are using the effective affinity mask. For a number of them, this mask is likely to be empty. In order to deal with this, let's restrict the use of the effective affinity mask to these interrupts that have a non empty effective affinity. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: James Hogan <james.hogan@imgtec.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Chris Zankel <chris@zankel.net> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Wei Xu <xuwei5@hisilicon.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: http://lkml.kernel.org/r/20170818083925.10108-2-marc.zyngier@arm.com
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.