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kvm_set_gsi_routing_irqchip_check(expect_failure=true) is used to check the error code returned by the kernel when trying to setup an invalid gsi routing table. The ioctl fails if "pin >= KVM_IRQCHIP_NUM_PINS", so kvm_set_gsi_routing_irqchip_check() should test the error only when "intid >= KVM_IRQCHIP_NUM_PINS+32". The issue is that the test check is "intid >= KVM_IRQCHIP_NUM_PINS", so for a case like "intid = KVM_IRQCHIP_NUM_PINS" the test wrongly assumes that the kernel will return an error. Fix this by using the right check. Signed-off-by: Ricardo Koller <ricarkol@google.com> Reported-by: Reiji Watanabe <reijiw@google.com> Cc: Andrew Jones <drjones@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220127030858.3269036-4-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.