linux-kernel - RE: [PATCH rc 1/8] iommu/vt-d: Track nested domains in parent

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Date: Thu, 8 Feb 2024 08:28:31 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: "Liu, Yi L" <yi.l.liu@...el.com>, "joro@...tes.org" <joro@...tes.org>,
	"jgg@...dia.com" <jgg@...dia.com>, "baolu.lu@...ux.intel.com"
	<baolu.lu@...ux.intel.com>
CC: "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
	"robin.murphy@....com" <robin.murphy@....com>, "eric.auger@...hat.com"
	<eric.auger@...hat.com>, "nicolinc@...dia.com" <nicolinc@...dia.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>, "chao.p.peng@...ux.intel.com"
	<chao.p.peng@...ux.intel.com>, "yi.y.sun@...ux.intel.com"
	<yi.y.sun@...ux.intel.com>, "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>, "Duan,
 Zhenzhong" <zhenzhong.duan@...el.com>, "joao.m.martins@...cle.com"
	<joao.m.martins@...cle.com>
Subject: RE: [PATCH rc 1/8] iommu/vt-d: Track nested domains in parent

> From: Liu, Yi L <yi.l.liu@...el.com>
> Sent: Thursday, February 8, 2024 4:23 PM
> 
>  static void intel_nested_domain_free(struct iommu_domain *domain)
>  {
> +	struct dmar_domain *dmar_domain = to_dmar_domain(domain);
> +	struct dmar_domain *s2_domain = dmar_domain->s2_domain;
> +
> +	spin_lock(&s2_domain->s1_lock);
> +	list_del(&dmar_domain->s2_link);
> +	spin_unlock(&s2_domain->s1_lock);
>  	kfree(to_dmar_domain(domain));

use 'dmar_domain'.

Reviewed-by: Kevin Tian <kevin.tian@...el.com>