linux-kernel - Re: [PATCH v4 10/16] iommu/amd: Add support for nest parent domain allocation

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Message-ID: <aPmSkeRCFOw+d4Lx@Asurada-Nvidia>
Date: Wed, 22 Oct 2025 19:27:29 -0700
From: Nicolin Chen <nicolinc@...dia.com>
To: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
CC: <jgg@...dia.com>, <linux-kernel@...r.kernel.org>, <robin.murphy@....com>,
	<will@...nel.org>, <joro@...tes.org>, <kevin.tian@...el.com>,
	<jsnitsel@...hat.com>, <vasant.hegde@....com>, <iommu@...ts.linux.dev>,
	<santosh.shukla@....com>, <sairaj.arunkodilkar@....com>, <jon.grimm@....com>,
	<prashanthpra@...gle.com>, <wvw@...gle.com>, <wnliu@...gle.com>,
	<gptran@...gle.com>, <kpsingh@...gle.com>, <joao.m.martins@...cle.com>,
	<alejandro.j.jimenez@...cle.com>
Subject: Re: [PATCH v4 10/16] iommu/amd: Add support for nest parent domain
 allocation

On Tue, Oct 21, 2025 at 01:43:18AM +0000, Suravee Suthikulpanit wrote:
> diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
> index 9226edd8af69..c34604cf1811 100644
> --- a/drivers/iommu/amd/amd_iommu_types.h
> +++ b/drivers/iommu/amd/amd_iommu_types.h
> @@ -107,6 +107,7 @@
>  
>  
>  /* Extended Feature 2 Bits */
> +#define FEATURE_GCR3TRPMODE	BIT_ULL(3)
>  #define FEATURE_SNPAVICSUP	GENMASK_ULL(7, 5)
>  #define FEATURE_SNPAVICSUP_GAM(x) \
>  	(FIELD_GET(FEATURE_SNPAVICSUP, x) == 0x1)

This now should be moved to the previous patch?

Nicolin