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James Morse d753f849bf irqchip/gic-v3: Fix selection of partition domain for EPPIs commit `5f51f80382` ("irqchip/gic-v3: Add EPPI range support") added GIC_IRQ_TYPE_PARTITION support for EPPI to gic_irq_domain_translate(), and commit `52085d3f20` ("irqchip/gic-v3: Dynamically allocate PPI partition descriptors") made the gic_data.ppi_descs array big enough for EPPI, but neither gic_irq_domain_select() nor partition_domain_translate() were updated. This means partitions are created by partition_create_desc() for the EPPI range, but can't be registered as they will always match the root domain and map to the summary interrupt. Update gic_irq_domain_select() to match PPI and EPPI. The fwspec for PPI and EPPI both start from 0. Use gic_irq_domain_translate() to find the hwirq from the fwspec, then convert this to a ppi index. Reported-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210729172748.28841-3-james.morse@arm.com		History 2021-08-12 08:11:03 +01:00
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README

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.