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In subsequent patches the GICv3 driver will choose the regular interrupt priority at boot time, dependent on the configuration of GICD_CTRL.DS and SCR_EL3.FIQ. This will need to be chosen before we configure the distributor with default prioirities for all the interrupts, which happens before we currently detect these in gic_cpu_sys_reg_init(). Add a new gic_prio_init() function to detect these earlier and log them to the console so that any problems can be debugged more easily. This also allows the uniformity checks in gic_cpu_sys_reg_init() to be simplified, as we can compare directly with the boot CPU values which were recorded earlier. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Alexandru Elisei <alexandru.elisei@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Reviewed-by: Marc Zyngier <maz@kernel.org> Tested-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240617111841.2529370-5-mark.rutland@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
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 reStructuredText 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.