1a3b2b5dca
If prefetch range to gpu with acutal location is another gpu, or GPU retry fault restore pages to migrate the range with acutal location is gpu, then migrate from one gpu to another gpu. Use system memory as bridge because sdma engine may not able to access another gpu vram, use sdma of source gpu to migrate to system memory, then use sdma of destination gpu to migrate from system memory to gpu. Print out gpuid or gpuidx in debug messages. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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.