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c9223b6162
The PSCI CPU suspend code isn't aware of the PMR vs DAIF game, resulting in a system that locks up if entering CPU suspend with GICv3 pNMI enabled. To save the day, teach the suspend code about our new cpuidle context helpers, which will do everything that's required just like the usual WFI cpuidle code. This fixes my Altra system, which would otherwise lock-up at boot time when booted with irqchip.gicv3_pseudo_nmi=1. Tested-by: Valentin Schneider <valentin.schneider@arm.com> Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20210615111227.2454465-4-maz@kernel.org Signed-off-by: Will Deacon <will@kernel.org> |
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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.