linux-kernel - Re: [PATCH V3 1/3] x86/Hyper-V: Set x2apic destination mode to physical when x2apic is available

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Date:   Sun, 10 Feb 2019 22:48:51 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     lantianyu1986@...il.com
cc:     Lan Tianyu <Tianyu.Lan@...rosoft.com>, kys@...rosoft.com,
        haiyangz@...rosoft.com, sthemmin@...rosoft.com, sashal@...nel.org,
        mingo@...hat.com, bp@...en8.de, hpa@...or.com, x86@...nel.org,
        joro@...tes.org, mchehab+samsung@...nel.org, davem@...emloft.net,
        gregkh@...uxfoundation.org, nicolas.ferre@...rochip.com,
        arnd@...db.de, linux-kernel@...r.kernel.org,
        devel@...uxdriverproject.org, iommu@...ts.linux-foundation.org,
        michael.h.kelley@...rosoft.com, vkuznets@...hat.com,
        alex.williamson@...hat.com, dan.carpenter@...cle.com
Subject: Re: [PATCH V3 1/3] x86/Hyper-V: Set x2apic destination mode to
 physical when x2apic is available

On Thu, 7 Feb 2019, lantianyu1986@...il.com wrote:

> From: Lan Tianyu <Tianyu.Lan@...rosoft.com>
> 
> 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.

This looks good now. Can that be applied independent of the IOMMU stuff or
should this go together. If the latter:

   Reviewed-by: Thomas Gleixner <tglx@...utronix.de>

If not, I just queue if for 5.1. Let me know,

Thanks,

	tglx