Re: [PATCH v3 01/62] KVM: arm64: Explicitly treat routing entry type changes as changes

On Wed, Jun 11, 2025 at 03:45:04PM -0700, Sean Christopherson wrote:

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-

Note, the same bug was fixed in x86 by commit bcda70c56f3e ("KVM: x86:
Explicitly treat routing entry type changes as changes").

Yeah, I'll let you guess where I got the idea from...

Fixes: 4bf3693d36af ("KVM: arm64: Unmap vLPIs affected by changes to GSI routing information")
Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: Oliver Upton <redacted>

Thanks,
Oliver