From: Nicolin Chen <nicolinc@nvidia.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
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Subject: Re: [PATCH v3 3/5] iommu: Add iommu_get_domain_for_dev_locked() helper
Date: Sun, 31 Aug 2025 16:24:03 -0700 [thread overview]
Message-ID: <aLTZk8sK4WOX9RLk@Asurada-Nvidia> (raw)
In-Reply-To: <aKcwMtPJuFfVA8TF@Asurada-Nvidia>
Hi Kevin,
On Thu, Aug 21, 2025 at 07:41:57AM -0700, Nicolin Chen wrote:
> On Thu, Aug 21, 2025 at 08:07:01AM +0000, Tian, Kevin wrote:
> > Usually the difference between func() and func_locked() is only about
> > whether the caller holds a lock. If they mean to return different
> > domains, may need better naming (though I don't have a good option
> > now)...
>
> Yea, naming is tricky here :)
>
> Perhaps it could follow a different pattern:
> iommu_dev_get_domain_for_driver(struct device *dev);
>
> With a simple note highlighting to be used by IOMMU drivers in the
> iommu callback functions like attach_dev.
I am keeping this "_locked" naming in v4, as there are only two
places calling this new helper and only one of them is a driver.
Please check v4 and see if you still prefer a different name.
Thanks
Nic
next prev parent reply other threads:[~2025-08-31 23:24 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 22:59 [PATCH v3 0/5] Disable ATS via iommu during PCI resets Nicolin Chen
2025-08-11 22:59 ` [PATCH v3 1/5] iommu: Lock group->mutex in iommu_deferred_attach Nicolin Chen
2025-08-15 5:09 ` Baolu Lu
2025-08-15 8:27 ` Tian, Kevin
2025-08-15 8:24 ` Tian, Kevin
2025-08-15 19:26 ` Nicolin Chen
2025-08-18 14:17 ` Jason Gunthorpe
2025-08-18 17:45 ` Nicolin Chen
2025-08-18 18:09 ` Jason Gunthorpe
2025-08-18 18:29 ` Nicolin Chen
2025-08-11 22:59 ` [PATCH v3 2/5] iommu: Pass in gdev to __iommu_device_set_domain Nicolin Chen
2025-08-15 5:18 ` Baolu Lu
2025-08-15 8:29 ` Tian, Kevin
2025-08-11 22:59 ` [PATCH v3 3/5] iommu: Add iommu_get_domain_for_dev_locked() helper Nicolin Chen
2025-08-15 5:28 ` Baolu Lu
2025-08-15 18:48 ` Nicolin Chen
2025-08-18 14:40 ` Jason Gunthorpe
2025-08-19 2:09 ` Baolu Lu
2025-08-15 8:55 ` Tian, Kevin
2025-08-15 18:45 ` Nicolin Chen
2025-08-21 8:07 ` Tian, Kevin
2025-08-21 14:41 ` Nicolin Chen
2025-08-31 23:24 ` Nicolin Chen [this message]
2025-08-18 14:39 ` Jason Gunthorpe
2025-08-18 17:22 ` Nicolin Chen
2025-08-18 23:42 ` Jason Gunthorpe
2025-08-19 5:09 ` Nicolin Chen
2025-08-19 12:52 ` Jason Gunthorpe
2025-08-19 17:22 ` Nicolin Chen
2025-08-21 13:13 ` Jason Gunthorpe
2025-08-21 15:22 ` Nicolin Chen
2025-08-21 18:37 ` Jason Gunthorpe
2025-08-22 5:11 ` Nicolin Chen
2025-08-21 8:11 ` Tian, Kevin
2025-08-21 13:14 ` Jason Gunthorpe
2025-08-22 9:45 ` Tian, Kevin
2025-08-22 13:21 ` Jason Gunthorpe
2025-08-11 22:59 ` [PATCH v3 4/5] iommu: Introduce iommu_dev_reset_prepare() and iommu_dev_reset_done() Nicolin Chen
2025-08-15 5:49 ` Baolu Lu
2025-08-15 20:10 ` Nicolin Chen
2025-08-15 9:14 ` Tian, Kevin
2025-08-15 19:45 ` Nicolin Chen
2025-08-11 22:59 ` [PATCH v3 5/5] pci: Suspend iommu function prior to resetting a device Nicolin Chen
2025-08-19 14:12 ` Ethan Zhao
2025-08-19 21:59 ` Nicolin Chen
2025-08-20 3:18 ` Ethan Zhao
2025-08-22 6:14 ` Nicolin Chen
2025-08-21 13:07 ` Jason Gunthorpe
2025-08-22 6:35 ` Nicolin Chen
2025-08-22 14:08 ` Jason Gunthorpe
2025-08-22 18:50 ` Nicolin Chen
2025-08-28 12:51 ` Jason Gunthorpe
2025-08-28 15:08 ` Nicolin Chen
2025-08-28 18:46 ` Jason Gunthorpe
2025-08-28 19:35 ` Nicolin Chen
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