Enable loadable modules to be unloaded on alphas with shared isa interrupts  by only disabling the interrupt in hardware if the handler being removed is the only handler.
Enable loadable modules to be unloaded on alphas with shared isa
interrupts  by only disabling the interrupt in hardware if
the handler being removed is the only handler.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase