From: lantianyu1...@gmail.com <lantianyu1...@gmail.com> Sent: Monday, February 
11, 2019 6:20 AM
> 
> Hyper-V doesn't provide irq remapping for IO-APIC. To enable x2apic,
> set x2apic destination mode to physcial mode when x2apic is available
> and Hyper-V IOMMU driver makes sure cpus assigned with IO-APIC irqs have
> 8-bit APIC id.
> 
> Reviewed-by: Thomas Gleixner <t...@linutronix.de>
> Signed-off-by: Lan Tianyu <tianyu....@microsoft.com>
> ---
> Change since v2:
>        - Fix compile error due to x2apic_phys
>        - Fix comment indent
> Change since v1:
>        - Remove redundant extern for x2apic_phys
> 
Reviewed-by: Michael Kelley <mikel...@microsoft.com>
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