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From:   Michael Kelley <mikelley@microsoft.com>
To:     "lantianyu1986@gmail.com" <lantianyu1986@gmail.com>
CC:     Tianyu Lan <Tianyu.Lan@microsoft.com>,
        KY Srinivasan <kys@microsoft.com>,
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Subject: RE: [PATCH V4 1/3] x86/Hyper-V: Set x2apic destination mode to
 physical when x2apic is available
Thread-Topic: [PATCH V4 1/3] x86/Hyper-V: Set x2apic destination mode to
 physical when x2apic is available
Thread-Index: AQHUwhUA3ogagdsxGU2FCnaMcKl+TqXqiVcg
Date:   Thu, 21 Feb 2019 17:00:53 +0000
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References: <1549894824-26623-1-git-send-email-Tianyu.Lan@microsoft.com>
 <1549894824-26623-2-git-send-email-Tianyu.Lan@microsoft.com>
In-Reply-To: <1549894824-26623-2-git-send-email-Tianyu.Lan@microsoft.com>
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From: lantianyu1986@gmail.com <lantianyu1986@gmail.com> Sent: Monday, Febru=
ary 11, 2019 6:20 AM
>=20
> 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.
>=20
> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
> ---
> Change since v2:
>        - Fix compile error due to x2apic_phys
>        - Fix comment indent
> Change since v1:
>        - Remove redundant extern for x2apic_phys
>=20
Reviewed-by: Michael Kelley <mikelley@microsoft.com>