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Re: [PATCH REPOST v3 31/80] arm/virt: use memdev for RAM
From: |
Andrew Jones |
Subject: |
Re: [PATCH REPOST v3 31/80] arm/virt: use memdev for RAM |
Date: |
Thu, 23 Jan 2020 14:17:01 +0100 |
On Thu, Jan 23, 2020 at 12:37:56PM +0100, Igor Mammedov wrote:
> memory_region_allocate_system_memory() API is going away,
> so replace it with memdev allocated MemoryRegion.
> The later is initialized by generic code, so board only
> needs to opt in to memdev scheme by providing
> MachineClass::default_ram_id
> and then map memory region provided by
> MachineState::ram_memdev
>
> Signed-off-by: Igor Mammedov <address@hidden>
> Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> Tested-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> ---
> hw/arm/virt.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 39ab5f4..e2fbca3 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1512,7 +1512,6 @@ static void machvirt_init(MachineState *machine)
> MemoryRegion *sysmem = get_system_memory();
> MemoryRegion *secure_sysmem = NULL;
> int n, virt_max_cpus;
> - MemoryRegion *ram = g_new(MemoryRegion, 1);
> bool firmware_loaded;
> bool aarch64 = true;
> bool has_ged = !vmc->no_ged;
> @@ -1701,9 +1700,8 @@ static void machvirt_init(MachineState *machine)
> }
> }
>
> - memory_region_allocate_system_memory(ram, NULL, "mach-virt.ram",
> - machine->ram_size);
> - memory_region_add_subregion(sysmem, vms->memmap[VIRT_MEM].base, ram);
> + memory_region_add_subregion(sysmem, vms->memmap[VIRT_MEM].base,
> + machine->ram);
> if (machine->device_memory) {
> memory_region_add_subregion(sysmem, machine->device_memory->base,
> &machine->device_memory->mr);
> @@ -2053,6 +2051,7 @@ static void virt_machine_class_init(ObjectClass *oc,
> void *data)
> hc->unplug_request = virt_machine_device_unplug_request_cb;
> mc->numa_mem_supported = true;
> mc->auto_enable_numa_with_memhp = true;
> + mc->default_ram_id = "mach-virt.ram";
> }
>
> static void virt_instance_init(Object *obj)
> --
> 2.7.4
>
Reviewed-by: Andrew Jones <address@hidden>