Isaac J. Manjarres bf42ce701b ANDROID: GKI: dma-buf: Add support for partial cache maintenance
In order to improve performance, allow dma-buf clients to
apply cache maintenance to only a subset of a dma-buf.

Kernel clients will be able to use the dma_buf_begin_cpu_access_partial
and dma_buf_end_cpu_access_partial functions to only apply cache
maintenance to a range within the dma-buf.

Bug: 133508579
Test: ion-unit-tests
Change-Id: Icce61fc21b1542f5248daea34f713184449a62c3
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
Signed-off-by: Sandeep Patil <sspatil@google.com>

[surenb: cherry-picked from ACK 5.4 branch]

Bug: 150611569
Test: build
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I453e69fa792508c367fb03a8d543ee42254e7138
2020-03-16 18:11:31 +00:00
2020-03-03 07:33:01 +01:00
2020-02-24 09:13:25 +01:00
2020-03-11 17:10:39 +01:00
2020-03-11 17:10:39 +01:00
2020-03-03 07:33:01 +01:00
2020-03-16 11:07:08 +01:00

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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