sun4m,sun4u,tcx: Do not use memory_region_init_ram_nomigrate()
Convert to use memory_region_init_{ram,rom} instead. This breaks migration but these machines have no migration compatibility guarantee and this removes most remaining usages of this nomigrate variant. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Link: https://lore.kernel.org/r/1d0f04534af14598f5c6b8c6922e3f10d8bb18cf.1772924151.git.balaton@eik.bme.hu Signed-off-by: Peter Xu <peterx@redhat.com>
BALATON Zoltan committed
Mar 8, 2026 at 00:06 UTC
945f3573dd208f2993aa6378b30202cef0dbca8d
3 files changed
+9
-23
hw/display/tcx.c
+1
-2
@@ -815,9 +815,8 @@ static void tcx_realizefn(DeviceState *dev, Error **errp)
815
uint8_t *vram_base;
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char *fcode_filename;
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818
- memory_region_init_ram_nomigrate(&s->vram_mem, OBJECT(s), "tcx.vram",
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+ memory_region_init_ram(&s->vram_mem, OBJECT(s), "tcx.vram",
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s->vram_size * (1 + 4 + 4), &error_fatal);
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- vmstate_register_ram_global(&s->vram_mem);
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memory_region_set_log(&s->vram_mem, true, DIRTY_MEMORY_VGA);
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vram_base = memory_region_get_ram_ptr(&s->vram_mem);
822
hw/sparc/sun4m.c
+5
-14
@@ -587,13 +587,10 @@ static void idreg_realize(DeviceState *ds, Error **errp)
587
IDRegState *s = MACIO_ID_REGISTER(ds);
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SysBusDevice *dev = SYS_BUS_DEVICE(ds);
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- if (!memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.idreg",
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- sizeof(idreg_data), errp)) {
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+ if (!memory_region_init_rom(&s->mem, OBJECT(ds), "sun4m.idreg",
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+ sizeof(idreg_data), errp)) {
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return;
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}
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-
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- vmstate_register_ram_global(&s->mem);
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- memory_region_set_readonly(&s->mem, true);
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sysbus_init_mmio(dev, &s->mem);
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}
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@@ -638,12 +635,9 @@ static void afx_realize(DeviceState *ds, Error **errp)
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AFXState *s = TCX_AFX(ds);
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SysBusDevice *dev = SYS_BUS_DEVICE(ds);
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641
- if (!memory_region_init_ram_nomigrate(&s->mem, OBJECT(ds), "sun4m.afx",
642
- 4, errp)) {
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+ if (!memory_region_init_ram(&s->mem, OBJECT(ds), "sun4m.afx", 4, errp)) {
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return;
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}
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-
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- vmstate_register_ram_global(&s->mem);
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sysbus_init_mmio(dev, &s->mem);
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}
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@@ -719,13 +713,10 @@ static void prom_realize(DeviceState *ds, Error **errp)
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PROMState *s = OPENPROM(ds);
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SysBusDevice *dev = SYS_BUS_DEVICE(ds);
715
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- if (!memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4m.prom",
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- PROM_SIZE_MAX, errp)) {
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+ if (!memory_region_init_rom(&s->prom, OBJECT(ds), "sun4m.prom",
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+ PROM_SIZE_MAX, errp)) {
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return;
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}
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-
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- vmstate_register_ram_global(&s->prom);
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- memory_region_set_readonly(&s->prom, true);
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sysbus_init_mmio(dev, &s->prom);
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}
722
hw/sparc64/sun4u.c
+3
-7
@@ -455,13 +455,10 @@ static void prom_realize(DeviceState *ds, Error **errp)
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PROMState *s = OPENPROM(ds);
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SysBusDevice *dev = SYS_BUS_DEVICE(ds);
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- if (!memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
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- PROM_SIZE_MAX, errp)) {
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+ if (!memory_region_init_rom(&s->prom, OBJECT(ds), "sun4u.prom",
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+ PROM_SIZE_MAX, errp)) {
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return;
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}
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-
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- vmstate_register_ram_global(&s->prom);
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- memory_region_set_readonly(&s->prom, true);
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sysbus_init_mmio(dev, &s->prom);
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}
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@@ -498,9 +495,8 @@ static void ram_realize(DeviceState *dev, Error **errp)
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RamDevice *d = SUN4U_RAM(dev);
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SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
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- memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
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+ memory_region_init_ram(&d->ram, OBJECT(d), "sun4u.ram", d->size,
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&error_fatal);
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- vmstate_register_ram_global(&d->ram);
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sysbus_init_mmio(sbd, &d->ram);
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}
502