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vga: disable global_vmstate for 3.0+ machine types

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Move global_vmstate from vga_common_init() parameter to VGACommonState
field.  Set global_vmstate to true for isa vga devices, so nothing
changes here.  virtio-vga and secondary-vga already set global_vmstate
to false so no change here either.  All other pci vga devices get a new
global-vmstate property, defaulting to false.  A compat property flips
it to true for older machine types.

With this in place you don't get a vmstate section naming conflict any
more when adding multiple pci vga devices to your vm.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20180702163345.17892-1-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2018-07-02 18:33:44 +02:00
parent 1fccd7c5a9
commit 1fcfdc435a
10 changed files with 39 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hw/display/vga.c
View file

@ -2163,7 +2163,7 @@ static inline uint32_t uint_clamp(uint32_t val, uint32_t vmin, uint32_t vmax)
return val;
}
void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
void vga_common_init(VGACommonState *s, Object *obj)
{
int i, j, v, b;
@ -2202,7 +2202,7 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
s->is_vbe_vmstate = 1;
memory_region_init_ram_nomigrate(&s->vram, obj, "vga.vram", s->vram_size,
&error_fatal);
vmstate_register_ram(&s->vram, global_vmstate ? NULL : DEVICE(obj));
vmstate_register_ram(&s->vram, s->global_vmstate ? NULL : DEVICE(obj));
xen_register_framebuffer(&s->vram);
s->vram_ptr = memory_region_get_ram_ptr(&s->vram);
s->get_bpp = vga_get_bpp;