From: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
joro@8bytes.org, afael@kernel.org, bhelgaas@google.com,
alex@shazbot.org, jgg@nvidia.com, kevin.tian@intel.com
Cc: will@kernel.org, robin.murphy@arm.com, lenb@kernel.org,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-pci@vger.kernel.org, kvm@vger.kernel.org,
patches@lists.linux.dev, pjaroszynski@nvidia.com,
vsethi@nvidia.com, helgaas@kernel.org, etzhao1900@gmail.com
Subject: Re: [PATCH v5 2/5] iommu: Tiny domain for iommu_setup_dma_ops()
Date: Wed, 12 Nov 2025 13:22:38 +0800 [thread overview]
Message-ID: <f6e4ca74-2b76-4662-97eb-a1c5eab62c9a@linux.intel.com> (raw)
In-Reply-To: <431cccb8279eb84376c641981f57e9ceece8febf.1762835355.git.nicolinc@nvidia.com>
On 11/11/25 13:12, Nicolin Chen wrote:
> This function can only be called on the default_domain. Trivally pass it
> in. In all three existing cases, the default domain was just attached to
> the device.
>
> This avoids iommu_setup_dma_ops() calling iommu_get_domain_for_dev() the
> that will be used by external callers.
>
> Suggested-by: Jason Gunthorpe<jgg@nvidia.com>
> Signed-off-by: Nicolin Chen<nicolinc@nvidia.com>
> ---
> drivers/iommu/dma-iommu.h | 5 +++--
> drivers/iommu/dma-iommu.c | 4 +---
> drivers/iommu/iommu.c | 6 +++---
> 3 files changed, 7 insertions(+), 8 deletions(-)
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
next prev parent reply other threads:[~2025-11-12 5:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-11 5:12 [PATCH v5 0/5] Disable ATS via iommu during PCI resets Nicolin Chen
2025-11-11 5:12 ` [PATCH v5 1/5] iommu: Lock group->mutex in iommu_deferred_attach() Nicolin Chen
2025-11-12 2:47 ` Baolu Lu
2025-11-11 5:12 ` [PATCH v5 2/5] iommu: Tiny domain for iommu_setup_dma_ops() Nicolin Chen
2025-11-12 5:22 ` Baolu Lu [this message]
2025-11-14 9:17 ` Tian, Kevin
2025-11-14 9:18 ` Tian, Kevin
2025-11-11 5:12 ` [PATCH v5 3/5] iommu: Add iommu_driver_get_domain_for_dev() helper Nicolin Chen
2025-11-12 5:58 ` Baolu Lu
2025-11-12 17:41 ` Nicolin Chen
2025-11-18 7:02 ` Nicolin Chen
2025-11-19 2:47 ` Baolu Lu
2025-11-19 2:57 ` Nicolin Chen
2025-11-12 8:52 ` kernel test robot
2025-11-14 9:18 ` Tian, Kevin
2025-11-11 5:12 ` [PATCH v5 4/5] iommu: Introduce iommu_dev_reset_prepare() and iommu_dev_reset_done() Nicolin Chen
2025-11-12 6:18 ` Baolu Lu
2025-11-12 17:43 ` Nicolin Chen
2025-11-14 9:37 ` Tian, Kevin
2025-11-14 18:26 ` Nicolin Chen
2025-11-17 4:59 ` Tian, Kevin
2025-11-17 19:27 ` Nicolin Chen
2025-11-17 23:04 ` Bjorn Helgaas
2025-11-11 5:12 ` [PATCH v5 5/5] pci: Suspend iommu function prior to resetting a device Nicolin Chen
2025-11-14 9:45 ` Tian, Kevin
2025-11-14 18:00 ` Nicolin Chen
2025-11-17 4:52 ` Tian, Kevin
2025-11-17 19:26 ` Nicolin Chen
2025-11-18 0:29 ` Tian, Kevin
2025-11-18 1:42 ` Nicolin Chen
2025-11-18 5:38 ` Baolu Lu
2025-11-18 6:53 ` Nicolin Chen
2025-11-18 7:53 ` Tian, Kevin
2025-11-18 8:17 ` Nicolin Chen
2025-11-17 22:58 ` Bjorn Helgaas
2025-11-18 8:16 ` Nicolin Chen
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