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memory: Simplify memory_region_init_rom_nomigrate() to ease review 

memory_region_init_rom_nomigrate() has the same content than
memory_region_init_ram_shared_nomigrate(), with setting the
readonly mode. The code is easier to review as creating a
readonly ram/shared/nomigrate region.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
stable-5.0
Philippe Mathieu-Daudé 2020-02-24 10:58:17 +01:00 committed by Paolo Bonzini
parent 39fa93c443
commit 83696c8f78
1 changed files with 1 additions and 12 deletions
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13
memory.c
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@ -1660,19 +1660,8 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr,
uint64_t size,
Error **errp)
{
Error *err = NULL;
memory_region_init(mr, owner, name, size);
mr->ram = true;
memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
mr->readonly = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_block = qemu_ram_alloc(size, false, mr, &err);
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
if (err) {
mr->size = int128_zero();
object_unparent(OBJECT(mr));
error_propagate(errp, err);
}
}
void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,