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

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Message-ID: <20240729123534.GA3371438@nvidia.com>
Date: Mon, 29 Jul 2024 09:35:34 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: "Liu, Yi L" <yi.l.liu@...el.com>, "Tian, Kevin" <kevin.tian@...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()

On Sun, Jul 28, 2024 at 04:36:00PM -0700, Nicolin Chen wrote:
> On Thu, Jul 18, 2024 at 05:13:38AM +0000, Tian, Kevin wrote:
>  
> > > 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>
> 
> Jason, it seems that we haven't merged this patch, right?
> 
> It still applies against v6.11-rc1. So no need of respin.

Yes, I will pick it for the rc1 cycle

Jason