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Compared to the generic entry code, ARM64 does additional checks when deciding to reschedule on return from interrupt. So introduce arch_irqentry_exit_need_resched() in the need_resched() condition of the generic raw_irqentry_exit_cond_resched(), with a NOP default. This will allow ARM64 to implement the architecture specific version for switching over to the generic entry code. Suggested-by: Ada Couprie Diaz <ada.coupriediaz@arm.com> Suggested-by: Mark Rutland <mark.rutland@arm.com> Suggested-by: Kevin Brodsky <kevin.brodsky@arm.com> Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
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.