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Message-ID: <BN9PR11MB527694903CD8E8FBC6C1FB168C232@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Mon, 4 Mar 2024 07:53:57 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Lu Baolu <baolu.lu@...ux.intel.com>, Joerg Roedel <joro@...tes.org>, "Will
 Deacon" <will@...nel.org>, Robin Murphy <robin.murphy@....com>, "Jason
 Gunthorpe" <jgg@...pe.ca>, "Badger, Eric" <ebadger@...estorage.com>
CC: "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/3] iommu/vt-d: Remove scalabe mode in
 domain_context_clear_one()

> From: Lu Baolu <baolu.lu@...ux.intel.com>
> Sent: Thursday, February 29, 2024 5:48 PM
> 
> @@ -2175,9 +2175,6 @@ static void domain_context_clear_one(struct
> device_domain_info *info, u8 bus, u8
>  	struct context_entry *context;
>  	u16 did_old;
> 
> -	if (!iommu)
> -		return;
> -

is this check only relevant to sm mode or should it be removed for
both legacy/sm? If the latter please add a note in the commit msg.

otherwise,

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

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