diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2022-03-01 10:01:49 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-03-04 16:46:30 +0100 |
| commit | c5d27545fb2f3810c1ee192f4f3e0822172fa474 (patch) | |
| tree | cc357c1d6fa3a50abd3981c33d4ea037502282ab /drivers/iommu | |
| parent | 402e6688a7df482cc57be0b0dd5b443d995073fb (diff) | |
iommu/vt-d: Remove finding domain in dmar_insert_one_dev_info()
The Intel IOMMU driver has already converted to use default domain
framework in iommu core. There's no need to find a domain for the
device in the domain attaching path. Cleanup that code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20220214025704.3184654-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20220301020159.633356-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index e3b04d5d87b0..b3075933864e 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -2554,7 +2554,6 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, struct device *dev, struct dmar_domain *domain) { - struct dmar_domain *found = NULL; struct device_domain_info *info; unsigned long flags; int ret; @@ -2605,26 +2604,6 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, } spin_lock_irqsave(&device_domain_lock, flags); - if (dev) - found = find_domain(dev); - - if (!found) { - struct device_domain_info *info2; - info2 = dmar_search_domain_by_dev_info(info->segment, info->bus, - info->devfn); - if (info2) { - found = info2->domain; - info2->dev = dev; - } - } - - if (found) { - spin_unlock_irqrestore(&device_domain_lock, flags); - free_devinfo_mem(info); - /* Caller must free the original domain */ - return found; - } - spin_lock(&iommu->lock); ret = domain_attach_iommu(domain, iommu); spin_unlock(&iommu->lock); |