linux-kernel - Re: [PATCH v2 4/7] iommufd: Add IOMMU_OPTION_SW_MSI

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Message-ID: <aO/X3EwzRLOj0IL1@Asurada-Nvidia>
Date: Wed, 15 Oct 2025 10:20:28 -0700
From: Nicolin Chen <nicolinc@...dia.com>
To: <jgg@...dia.com>, <kevin.tian@...el.com>
CC: <robin.murphy@....com>, <joro@...tes.org>, <will@...nel.org>,
	<iommu@...ts.linux.dev>, <linux-kernel@...r.kernel.org>, <shuah@...nel.org>,
	<linux-kselftest@...r.kernel.org>, <shyamsaini@...ux.microsoft.com>
Subject: Re: [PATCH v2 4/7] iommufd: Add IOMMU_OPTION_SW_MSI_START/SIZE ioctls

On Tue, Oct 14, 2025 at 05:29:36PM -0700, Nicolin Chen wrote:
> @@ -1458,18 +1458,27 @@ int iopt_table_enforce_dev_resv_regions(struct io_pagetable *iopt,
>  	iommu_get_resv_regions(dev, &resv_regions);
>  
>  	list_for_each_entry(resv, &resv_regions, list) {
> +		unsigned long start = PHYS_ADDR_MAX, last = 0;

kernel test robot complained. It should be:
		phys_addr_t start = PHYS_ADDR_MAX, last = 0;

Will fix in next version.

Thanks
Nicolin