Commit 4ec37f90 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

pam: wrap MemoryRegion initialization in a transaction 



This avoids a few re-rendering of the memory AddressSpace.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 1db4269f

hw/pci-host/pam.c

+2 −0
Original line number Diff line number Diff line
@@ -52,11 +52,13 @@ void init_pam(DeviceState *dev, MemoryRegion *ram_memory, 
    memory_region_init_alias(&mem->alias[2], OBJECT(dev), "pam-pci", ram_memory,

                             start, size);



    memory_region_transaction_begin();

    for (i = 0; i < 4; ++i) {

        memory_region_set_enabled(&mem->alias[i], false);

        memory_region_add_subregion_overlap(system_memory, start,

                                            &mem->alias[i], 1);

    }

    memory_region_transaction_commit();

    mem->current = 0;

}