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6d67cbe67a
We allow the FF-A to be initialised successfully even when notification fails. When the notification fails, ffa_notifications_cleanup() gets called on the failure path. However, the driver information about the notifications like the irq, workqueues and cpu hotplug state for enabling and disabling percpu IRQ are not cleared. This may result in unexpected behaviour during CPU hotplug because of percpu IRQ being enabled and disabled or during the driver removal when ffa_notifications_cleanup() gets executed again. Fix the FFA notifications cleanup path by clearing all the notification related driver information. Link: https://lore.kernel.org/r/20231024-ffa-notification-fixes-v1-4-d552c0ec260d@arm.com Tested-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> |
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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.