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[Qemu-devel] [PULL 2/9] hw/mips/boston: don't make flash region 'nomigra

From: Aleksandar Markovic
Subject: [Qemu-devel] [PULL 2/9] hw/mips/boston: don't make flash region 'nomigrate'
Date: Mon, 25 Jun 2018 22:05:57 +0200

From: Peter Maydell <address@hidden>

Currently we use memory_region_init_rom_nomigrate() to create
the "boston.flash" memory region, and we don't manually register
it with vmstate_register_ram(). This currently means that its
contents are migrated but as a ram block whose name is the empty
string; in future it may mean they are not migrated at all. Use
memory_region_init_ram() instead.

Note that this is a a cross-version migration compatibility break
for the "boston" machine.

Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Cédric Le Goater <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
 hw/mips/boston.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/mips/boston.c b/hw/mips/boston.c
index 52cce19..14e6f95 100644
--- a/hw/mips/boston.c
+++ b/hw/mips/boston.c
@@ -471,8 +471,7 @@ static void boston_mach_init(MachineState *machine)
     sysbus_mmio_map_overlap(SYS_BUS_DEVICE(s->cps), 0, 0, 1);
     flash =  g_new(MemoryRegion, 1);
-    memory_region_init_rom_nomigrate(flash, NULL,
-                                     "boston.flash", 128 * M_BYTE, &err);
+    memory_region_init_rom(flash, NULL, "boston.flash", 128 * M_BYTE, &err);
     memory_region_add_subregion_overlap(sys_mem, 0x18000000, flash, 0);
     ddr = g_new(MemoryRegion, 1);

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