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commitdb9178a4f8upstream. In some cases, like with OMAP remoteproc, we are not creating dedicated memory pool for the virtio device. Instead, we use the same memory pool for all shared memories. The current virtio memory pool handling forces a split between these two, as a separate device is created for it, causing memory to be allocated from bad location if the dedicated pool is not available. Fix this by falling back to using the parent device memory pool if dedicated is not available. Cc: stable@vger.kernel.org Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Fixes:086d08725d("remoteproc: create vdev subdevice with specific dma memory pool") Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Suman Anna <s-anna@ti.com> Link: https://lore.kernel.org/r/20200420160600.10467-2-s-anna@ti.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.