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6f490bb4a9
Running as nested root on MSHV imposes a different requirement for the pci-hyperv controller. In this setup, the interrupt will first come to the L1 (nested) hypervisor, which will deliver it to the appropriate root CPU. Instead of issuing the RETARGET hypercall, issue the MAP_DEVICE_INTERRUPT hypercall to L1 to complete the setup. Rename hv_arch_irq_unmask() to hv_irq_retarget_interrupt(). Co-developed-by: Jinank Jain <jinankjain@linux.microsoft.com> Signed-off-by: Jinank Jain <jinankjain@linux.microsoft.com> Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com> Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com> Reviewed-by: Roman Kisel <romank@linux.microsoft.com> Reviewed-by: Michael Kelley <mhklinux@outlook.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://lore.kernel.org/r/1752261532-7225-4-git-send-email-nunodasneves@linux.microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org> Message-ID: <1752261532-7225-4-git-send-email-nunodasneves@linux.microsoft.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 reStructuredText 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.