Messages in this thread | | | Date | Mon, 5 Jul 2010 09:23:57 +0300 | From | Gleb Natapov <> | Subject | Re: [PATCH v2] KVM: IOAPIC: only access APIC registers one dword at a time |
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On Mon, Jul 05, 2010 at 11:47:06AM +0800, Xiao Guangrong wrote: > > There might be guests that use incorrect access despite the > > documentation; if real hardware supports it, it should work. So we need > > to start with just a warning, and allow the access. Later we can drop > > the invalid access. > > If the OS contravene the spec, i thinks it's the OS's bug, also, i have tested some versions > windows/linux guests, it's no broken, can we directly drop the other wide access? > If reality contradicts spec we should emulate reality. I vaguely remember some guest using memcpy on apic page for instance.
-- Gleb.
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