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In preparation for proper group 0 and group 1 support in the vgic, we add a field in the struct irq to store the group of all interrupts. We initialize the group to group 0 when emulating GICv2 and to group 1 when emulating GICv3, just like we treat them today. LPIs are always group 1. We also continue to ignore writes from the guest, preserving existing functionality, for now. Finally, we also add this field to the vgic debug logic to show the group for all interrupts. Reviewed-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.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.
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.