From: Nicolin Chen <nicolinc@nvidia.com>
To: Baolu Lu <baolu.lu@linux.intel.com>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
<bhelgaas@google.com>, <jgg@nvidia.com>, <rafael@kernel.org>,
<lenb@kernel.org>, <praan@google.com>,
<xueshuai@linux.alibaba.com>, <kevin.tian@intel.com>,
<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>, <vsethi@nvidia.com>
Subject: Re: [PATCH v2 2/7] iommu: Add reset_device_done callback for hardware fault recovery
Date: Wed, 18 Mar 2026 11:42:33 -0700 [thread overview]
Message-ID: <abryGd9F/IuInm/s@Asurada-Nvidia> (raw)
In-Reply-To: <566549c9-fab1-43b5-a35b-e3c76f1c285d@linux.intel.com>
On Wed, Mar 18, 2026 at 01:59:58PM +0800, Baolu Lu wrote:
> On 3/18/26 03:15, Nicolin Chen wrote:
> > + if (ops && ops->reset_device_done)
> > + ops->reset_device_done(&pdev->dev);
>
> Nit: dev_iommu_ops() ensures a valid iommu "ops". There is no need to
> check "ops != NULL" here. Just
>
> if (ops->reset_device_done)
> ops->reset_device_done(&pdev->dev);
Yes, right.
Thanks!
Nicolin
next prev parent reply other threads:[~2026-03-18 18:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-17 19:15 [PATCH v2 0/7] iommu/arm-smmu-v3: Quarantine device upon ATC invalidation timeout Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 1/7] iommu: Do not call pci_dev_reset_iommu_done() unless reset succeeds Nicolin Chen
2026-03-18 7:21 ` Tian, Kevin
2026-03-18 20:16 ` Nicolin Chen
2026-03-18 8:02 ` Shuai Xue
2026-03-18 20:27 ` Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 2/7] iommu: Add reset_device_done callback for hardware fault recovery Nicolin Chen
2026-03-18 5:59 ` Baolu Lu
2026-03-18 18:42 ` Nicolin Chen [this message]
2026-03-17 19:15 ` [PATCH v2 3/7] iommu: Add iommu_report_device_broken() to quarantine a broken device Nicolin Chen
2026-03-18 6:13 ` Baolu Lu
2026-03-19 1:31 ` Nicolin Chen
2026-03-18 7:31 ` Tian, Kevin
2026-03-19 1:30 ` Nicolin Chen
2026-03-19 2:35 ` Tian, Kevin
2026-03-19 3:13 ` Nicolin Chen
2026-03-18 11:45 ` Shuai Xue
2026-03-18 20:29 ` Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 4/7] iommu/arm-smmu-v3: Mark ATC invalidate timeouts via lockless bitmap Nicolin Chen
2026-03-18 7:36 ` Tian, Kevin
2026-03-18 19:26 ` Nicolin Chen
2026-03-18 22:06 ` Samiullah Khawaja
2026-03-19 3:08 ` Tian, Kevin
2026-03-19 3:12 ` Nicolin Chen
2026-03-23 23:51 ` Jason Gunthorpe
2026-03-18 22:02 ` Samiullah Khawaja
2026-03-18 23:23 ` Nicolin Chen
2026-03-19 0:08 ` Samiullah Khawaja
2026-03-19 1:15 ` Nicolin Chen
2026-03-23 23:57 ` Jason Gunthorpe
2026-03-24 1:21 ` Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 5/7] iommu/arm-smmu-v3: Replace smmu with master in arm_smmu_inv Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 6/7] iommu/arm-smmu-v3: Introduce master->ats_broken flag Nicolin Chen
2026-03-18 7:39 ` Tian, Kevin
2026-03-18 20:00 ` Nicolin Chen
2026-03-17 19:15 ` [PATCH v2 7/7] iommu/arm-smmu-v3: Block ATS upon an ATC invalidation timeout Nicolin Chen
2026-03-19 2:56 ` Shuai Xue
2026-03-19 3:26 ` Nicolin Chen
2026-03-19 7:41 ` Shuai Xue
2026-03-18 7:47 ` [PATCH v2 0/7] iommu/arm-smmu-v3: Quarantine device upon " Tian, Kevin
2026-03-18 20:04 ` Nicolin Chen
2026-03-19 2:29 ` Tian, Kevin
2026-03-19 3:10 ` Nicolin Chen
2026-03-24 0:03 ` Jason Gunthorpe
2026-03-24 1:30 ` Nicolin Chen
2026-03-25 6:55 ` Tian, Kevin
2026-03-25 14:12 ` Jason Gunthorpe
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