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Re: [Xen-devel] [PATCH v8 02/21] xen/vlapic: fixes for HVM code when running without a vlapic



> From: Roger Pau Monne [mailto:roger.pau@xxxxxxxxxx]
> Sent: Saturday, November 07, 2015 12:06 AM
> 
> The HVM related code (SVM, VMX) generally assumed that a local apic is
> always present. With the introduction of a HVM mode were the local apic can
> be removed, some of this broken code paths arised.
> 
> The SVM exit/resume paths unconditionally checked the state of the lapic,
> which is wrong if it's been disabled by hardware, fix this by adding the
> necessary checks. On the VMX side, make sure we don't add mappings for a
> local apic if it's disabled.
> 
> In the generic vlapic code, add checks to prevent setting the TSC deadline
> timer if the lapic is disabled, and also prevent trying to inject interrupts
> from the PIC is the lapic is also disabled.
> 

Sorry for late reply. It looks good to me:

Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
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