accel/mshv: write synthetic MSRs after migration Write partition-wide synthetic MSRs. This ensures the hypercall page and SynIC facilities are set up before vCPUs attempt to use it. Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com> Link: https://lore.kernel.org/r/20260710101534.664604-10-magnuskulke@linux.microsoft.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>