linux-kernel - RE: [PATCH] iommufd/device: Fix hwpt at err_unresv in iommufd_device_do

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Message-ID: <BN9PR11MB5276718A6C5A02FC53D7E9C38CAC2@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Thu, 18 Jul 2024 05:13:38 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Nicolin Chen <nicolinc@...dia.com>, "jgg@...dia.com" <jgg@...dia.com>
CC: "Liu, Yi L" <yi.l.liu@...el.com>, "iommu@...ts.linux.dev"
	<iommu@...ts.linux.dev>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] iommufd/device: Fix hwpt at err_unresv in
 iommufd_device_do_replace()

> From: Nicolin Chen <nicolinc@...dia.com>
> Sent: Thursday, July 18, 2024 1:02 PM
> 
> The rewind routine should remove the reserved iovas added to the new
> hwpt.
> 
> Fixes: 89db31635c87 ("iommufd: Derive iommufd_hwpt_paging from
> iommufd_hw_pagetable")
> Cc: stable@...r.kernel.org
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>

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