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[Qemu-arm] [PATCH 3/3] hw/arm/aspeed_soc: don't use vmstate_register_ram
From: |
Peter Maydell |
Subject: |
[Qemu-arm] [PATCH 3/3] hw/arm/aspeed_soc: don't use vmstate_register_ram_global for SRAM |
Date: |
Fri, 20 Apr 2018 13:48:35 +0100 |
Currently we use vmstate_register_ram_global() for the SRAM;
this is not a good idea for devices, because it means that
you can only ever create one instance of the device, as
the second instance would get a RAM block name clash.
Instead, use memory_region_init_ram(), which automatically
registers the RAM block with a local-to-the-device name.
Note that this is a cross-version migration compatibility break
for the "palmetto-bmc", "ast2500-evb" and "romulus-bmc" machines.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/arm/aspeed_soc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index 30d25f8b06..407f10d0d4 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -186,13 +186,12 @@ static void aspeed_soc_realize(DeviceState *dev, Error
**errp)
}
/* SRAM */
- memory_region_init_ram_nomigrate(&s->sram, OBJECT(dev), "aspeed.sram",
+ memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
sc->info->sram_size, &err);
if (err) {
error_propagate(errp, err);
return;
}
- vmstate_register_ram_global(&s->sram);
memory_region_add_subregion(get_system_memory(), ASPEED_SOC_SRAM_BASE,
&s->sram);
--
2.17.0