KVM: x86: Explicitly treat routing entry type changes as changes

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commit bcda70c56f upstream.

Explicitly treat type differences as GSI routing changes, as comparing MSI
data between two entries could get a false negative, e.g. if userspace
changed the type but left the type-specific data as-is.

Fixes: 515a0c79e7 ("kvm: irqfd: avoid update unmodified entries of the routing")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20250404193923.1413163-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Sean Christopherson 2025-04-04 12:38:18 -07:00 • committed by Greg Kroah-Hartman

parent 3e243378f2

commit a22fe6f843

1 changed files with 2 additions and 1 deletions

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arch/x86/kvm/x86.c

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