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In current implementation, MIPS KVM uses IP2, IP3, IP4 and IP7 for external interrupt, two kinds of IPIs and timer interrupt respectively, but Loongson-3 based machines prefer to use IP2, IP3, IP6 and IP7 for two kinds of external interrupts, IPI and timer interrupt. So we define two priority-irq mapping tables: kvm_loongson3_priority_to_irq[] for Loongson-3, and kvm_default_priority_to_irq[] for others. The virtual interrupt infrastructure is updated to deliver all types of interrupts from IP2, IP3, IP4, IP6 and IP7. Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Signed-off-by: Huacai Chen <chenhc@lemote.com> Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Message-Id: <1590220602-3547-10-git-send-email-chenhc@lemote.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.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.