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The whole MSI injection process is fairly monolithic. An MSI write gets turned into an injected LPI in one swift go. But this is actually a more fine-grained process: - First, a virtual ITS gets selected using the doorbell address - Then the DevID/EventID pair gets translated into an LPI - Finally the LPI is injected Since the GICv4 code needs the first two steps in order to match an IRQ routing entry to an LPI, let's expose them as helpers, and refactor the existing code to use them Reviewed-by: Christoffer Dall <cdall@linaro.org> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.