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Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device |
Date: |
Thu, 28 May 2015 12:25:40 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 27/04/2015 13:19, Gal Hammer wrote:
> +static void vmgenid_init(Object *obj)
> +{
> + SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
> + VmGenIdState *s = VMGENID(obj);
> +
> + memory_region_init_io(&s->iomem, obj, &vmgenid_ram_ops, s, "vgid", 16);
This is a small problem. The spec says the memory of the VMGENID should
not be uncacheable, but MMIO _should_ be uncacheable.
This is running on a VM so we maybe not care, but it's worth pointing it
out.
Paolo
> + sysbus_init_mmio(sbd, &s->iomem);
> +
> + object_property_add_str(obj, PROPERTY_UUID, NULL, vmgenid_set_uuid,
> NULL);
> +}
> +
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device,
Paolo Bonzini <=