linux-kernel - Re: [RFC PATCH V5 3/4] x86/hyperv: Don't use auto-eoi when Secure AVIC is available

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Message-ID: <d8faa5c4-a118-453c-afde-8e334655eac4@amd.com>
Date: Tue, 5 Aug 2025 19:36:31 +0530
From: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
To: Tianyu Lan <ltykernel@...il.com>, kys@...rosoft.com,
 haiyangz@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
 tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
 dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com, arnd@...db.de,
 kvijayab@....com
Cc: Tianyu Lan <tiala@...rosoft.com>, linux-arch@...r.kernel.org,
 linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
 Michael Kelley <mhklinux@...look.com>
Subject: Re: [RFC PATCH V5 3/4] x86/hyperv: Don't use auto-eoi when Secure
 AVIC is available



On 8/4/2025 11:35 PM, Tianyu Lan wrote:
> From: Tianyu Lan <tiala@...rosoft.com>
> 
> Hyper-V doesn't support auto-eoi with Secure AVIC.
> So set the HV_DEPRECATING_AEOI_RECOMMENDED flag
> to force writing the EOI register after handling an interrupt.
> 
> Reviewed-by: Michael Kelley <mhklinux@...look.com>
> Signed-off-by: Tianyu Lan <tiala@...rosoft.com>
> ---
> Change since RFC V3:
>        - Update title prefix from "x86/Hyper-V" to "x86/hyperv"
> ---

Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@....com>