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Now that KVM explicitly passes the new/current GSI routing to pi_update_irte(), simply use the provided routing entry and stop walking the routing table to find that entry. KVM, via setup_routing_entry() and sanity checked by kvm_get_msi_route(), disallows having a GSI configured to trigger multiple MSIs. I.e. this is subtly a glorified nop, as KVM allows at most one MSI per GSI, the for-loop can only ever process one entry, and that entry is the new/current entry (see the WARN_ON_ONCE() added by "KVM: x86: Pass new routing entries and irqfd when updating IRTEs" to ensure @new matches the entry found in the routing table). Tested-by: Sairaj Kodilkar <sarunkod@amd.com> Link: https://lore.kernel.org/r/20250611224604.313496-25-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.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.