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From: Jason Gunthorpe <jgg@nvidia.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Nicolin Chen <nicolinc@nvidia.com>,
	Kevin Tian <kevin.tian@intel.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	Will Deacon <will@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Joerg Roedel <joro@8bytes.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	vdumpa@nvidia.com, Jon Hunter <jonathanh@nvidia.com>,
	shuah <shuah@kernel.org>,
	jsnitsel@redhat.com, Nathan Chancellor <nathan@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Yi Liu <yi.l.liu@intel.com>,
	mshavit@google.com, praan@google.com, zhangzekun11@huawei.com,
	iommu@lists.linux.dev, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-tegra@vger.kernel.org, linux-kselftest@vger.kernel.org,
	patches@lists.linux.dev, mochs@nvidia.com,
	ALOK TIWARI <alok.a.tiwari@oracle.com>,
	vasant.hegde@amd.com, David Woodhouse <dwmw2@infradead.org>,
	Baolu Lu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH v9 17/29] iommufd: Add mmap interface
Date: Mon, 14 Jul 2025 09:03:08 -0300	[thread overview]
Message-ID: <20250714120308.GK1951027@nvidia.com> (raw)
In-Reply-To: <db221336-2694-4fcf-a2b2-8fcb46ba3c9e@app.fastmail.com>

On Mon, Jul 14, 2025 at 08:08:21AM +0200, Arnd Bergmann wrote:
 
> The mtree_alloc_range() interface explicitly operates on 'unsigned long'
> address values, so I don't see an immediate workaround for this that would
> make it work on these machines. On the other hand, 

I fixed this already, PHYS_ADDR_MAX was just wrong, it should be
ULONG_MAX. The thing wasn't a physaddr in the first place.

Jason

  reply	other threads:[~2025-07-14 12:03 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-10  5:58 [PATCH v9 00/29] iommufd: Add vIOMMU infrastructure (Part-4 HW QUEUE) Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 01/29] iommufd: Report unmapped bytes in the error path of iopt_unmap_iova_range Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 02/29] iommufd: Correct virt_id kdoc at struct iommu_vdevice_alloc Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 03/29] iommufd/viommu: Explicitly define vdev->virt_id Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 04/29] iommu: Use enum iommu_hw_info_type for type in hw_info op Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 05/29] iommu: Add iommu_copy_struct_to_user helper Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 06/29] iommu: Pass in a driver-level user data structure to viommu_init op Nicolin Chen
2025-07-10  5:58 ` [PATCH v9 07/29] iommufd/viommu: Allow driver-specific user data for a vIOMMU object Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 08/29] iommufd/selftest: Support user_data in mock_viommu_alloc Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 09/29] iommufd/selftest: Add coverage for viommu data Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 10/29] iommufd/access: Add internal APIs for HW queue to use Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 11/29] iommufd/access: Bypass access->ops->unmap for internal use Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 12/29] iommufd/viommu: Add driver-defined vDEVICE support Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 13/29] iommufd/viommu: Introduce IOMMUFD_OBJ_HW_QUEUE and its related struct Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 14/29] iommufd/viommu: Add IOMMUFD_CMD_HW_QUEUE_ALLOC ioctl Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 15/29] iommufd/driver: Add iommufd_hw_queue_depend/undepend() helpers Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 16/29] iommufd/selftest: Add coverage for IOMMUFD_CMD_HW_QUEUE_ALLOC Nicolin Chen
2025-07-10 11:36   ` Pranjal Shrivastava
2025-07-10  5:59 ` [PATCH v9 17/29] iommufd: Add mmap interface Nicolin Chen
2025-07-14  6:08   ` Arnd Bergmann
2025-07-14 12:03     ` Jason Gunthorpe [this message]
2025-07-10  5:59 ` [PATCH v9 18/29] iommufd/selftest: Add coverage for the new " Nicolin Chen
2025-07-10 11:14   ` Pranjal Shrivastava
2025-07-10  5:59 ` [PATCH v9 19/29] Documentation: userspace-api: iommufd: Update HW QUEUE Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 20/29] iommu: Allow an input type in hw_info op Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 21/29] iommufd: Allow an input data_type via iommu_hw_info Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 22/29] iommufd/selftest: Update hw_info coverage for an input data_type Nicolin Chen
2025-07-10 11:09   ` Pranjal Shrivastava
2025-07-10 15:32     ` Jason Gunthorpe
2025-07-10 16:43       ` Pranjal Shrivastava
2025-07-10 17:12         ` Jason Gunthorpe
2025-07-11  9:56           ` Pranjal Shrivastava
2025-07-10  5:59 ` [PATCH v9 23/29] iommu/arm-smmu-v3-iommufd: Add vsmmu_size/type and vsmmu_init impl ops Nicolin Chen
2025-07-11 16:14   ` Will Deacon
2025-07-15 18:42     ` Nicolin Chen
2025-07-17  8:49       ` Will Deacon
2025-07-10  5:59 ` [PATCH v9 24/29] iommu/arm-smmu-v3-iommufd: Add hw_info to impl_ops Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 25/29] iommu/tegra241-cmdqv: Use request_threaded_irq Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 26/29] iommu/tegra241-cmdqv: Simplify deinit flow in tegra241_cmdqv_remove_vintf() Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 27/29] iommu/tegra241-cmdqv: Do not statically map LVCMDQs Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 28/29] iommu/tegra241-cmdqv: Add user-space use support Nicolin Chen
2025-07-10  5:59 ` [PATCH v9 29/29] iommu/tegra241-cmdqv: Add IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV support Nicolin Chen

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