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4548a6ad3d
Switch driver to use MSIX mask and unmask instead of the ignore bit. When ignore bit is cleared, we must issue an MMIO read to ensure writes have all arrived and check and process any additional completions. The ignore bit does not queue up any pending MSIX interrupts. The mask bit however does. Use API call from interrupt subsystem to mask MSIX interrupt since the hardware does not have convenient mask bit register. Suggested-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/159319517621.70410.11816465052708900506.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.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.