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b9a51949ce
vgic_get_irq(intid) is used all over the vgic code in order to get a reference to a struct irq. It warns whenever intid is not a valid number (like when it's a reserved IRQ number). The issue is that this warning can be triggered from userspace (e.g., KVM_IRQ_LINE for intid 1020). Drop the WARN call from vgic_get_irq. Signed-off-by: Ricardo Koller <ricarkol@google.com> Reviewed-by: Oliver Upton <oupton@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210818213205.598471-1-ricarkol@google.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.