linux-kernel - Re: [PATCH v5 09/29] iommufd: Do not unmap an owned iopt

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Message-ID: <aDE9WyUT3z2+asQA@Asurada-Nvidia>
Date: Fri, 23 May 2025 20:30:35 -0700
From: Nicolin Chen <nicolinc@...dia.com>
To: <jgg@...dia.com>, <kevin.tian@...el.com>, <corbet@....net>,
	<will@...nel.org>
CC: <bagasdotme@...il.com>, <robin.murphy@....com>, <joro@...tes.org>,
	<thierry.reding@...il.com>, <vdumpa@...dia.com>, <jonathanh@...dia.com>,
	<shuah@...nel.org>, <jsnitsel@...hat.com>, <nathan@...nel.org>,
	<peterz@...radead.org>, <yi.l.liu@...el.com>, <mshavit@...gle.com>,
	<praan@...gle.com>, <zhangzekun11@...wei.com>, <iommu@...ts.linux.dev>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-tegra@...r.kernel.org>,
	<linux-kselftest@...r.kernel.org>, <patches@...ts.linux.dev>,
	<mochs@...dia.com>, <alok.a.tiwari@...cle.com>, <vasant.hegde@....com>,
	<dwmw2@...radead.org>, <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH v5 09/29] iommufd: Do not unmap an owned iopt_area

On Sat, May 17, 2025 at 08:21:26PM -0700, Nicolin Chen wrote:
> @@ -250,6 +250,7 @@ int iopt_pages_rw_access(struct iopt_pages *pages, unsigned long start_byte,
>   */
>  struct iopt_pages_access {
>  	struct interval_tree_node node;
> +	unsigned int owners;
>  	unsigned int users;

This isn't used anywhere, and I forgot to delete.

Will drop in v6.

Thanks
Nicolin