Suren Baghdasaryan 3092012197 ANDROID: GKI: QoS: Prevent usage of dev_pm_qos_request as pm_qos_request
pm_qos_set_value_for_cpus expects the list in pm_qos_constraints to
contain structs of type pm_qos_request. However requests from device
drivers will populate the list with dev_pm_qos_request structs.
pm_qos_set_value_for_cpus updates target_per_cpu array and since there
is no way to access target_per_cpu for device driver requests, we can
skip updating target_per_cpu for such requests. This will prevent
current issue when pm_qos_set_value_for_cpus accesses dev_pm_qos_request
structs as it they were pm_qos_request structs.

Fixes: 723feab600 ("ANDROID: GKI: QoS: Enhance framework to support cpu/irq specific QoS requests")
Bug: 183959482
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: Iaa8d349b3c1f9cd8357b2e7912b16aadef78165f
2021-05-01 00:20:43 +00:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
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