diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-03-06 13:01:27 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-06 13:03:35 -0800 |
| commit | 2525e16a2bae322641fd745412f3524d4455d8df (patch) | |
| tree | b1b2646362b8cc89fe3cf4eece698810fbb05c55 /drivers/iommu | |
| parent | Merge branch 'net-hold-netdev-instance-lock-during-ndo-operations' (diff) | |
| parent | Merge tag 'net-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | linux-2525e16a2bae322641fd745412f3524d4455d8df.tar.gz linux-2525e16a2bae322641fd745412f3524d4455d8df.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.14-rc6).
Conflicts:
net/ethtool/cabletest.c
2bcf4772e45a ("net: ethtool: try to protect all callback with netdev instance lock")
637399bf7e77 ("net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device")
No Adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 4 | ||||
| -rw-r--r-- | drivers/iommu/intel/dmar.c | 1 | ||||
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 10 |
3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index b48a72bd7b23..cd5116d8c3b2 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2043,12 +2043,12 @@ static void set_dte_entry(struct amd_iommu *iommu, make_clear_dte(dev_data, dte, &new); if (domain->iop.mode != PAGE_MODE_NONE) - new.data[0] = iommu_virt_to_phys(domain->iop.root); + new.data[0] |= iommu_virt_to_phys(domain->iop.root); new.data[0] |= (domain->iop.mode & DEV_ENTRY_MODE_MASK) << DEV_ENTRY_MODE_SHIFT; - new.data[0] |= DTE_FLAG_IR | DTE_FLAG_IW | DTE_FLAG_V; + new.data[0] |= DTE_FLAG_IR | DTE_FLAG_IW; /* * When SNP is enabled, we can only support TV=1 with non-zero domain ID. diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 9f424acf474e..e540092d664d 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -2043,6 +2043,7 @@ int enable_drhd_fault_handling(unsigned int cpu) /* * Enable fault control interrupt. */ + guard(rwsem_read)(&dmar_global_lock); for_each_iommu(iommu, drhd) { u32 fault_status; int ret; diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index cc46098f875b..bf1f0c814348 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -3146,7 +3146,14 @@ int __init intel_iommu_init(void) iommu_device_sysfs_add(&iommu->iommu, NULL, intel_iommu_groups, "%s", iommu->name); + /* + * The iommu device probe is protected by the iommu_probe_device_lock. + * Release the dmar_global_lock before entering the device probe path + * to avoid unnecessary lock order splat. + */ + up_read(&dmar_global_lock); iommu_device_register(&iommu->iommu, &intel_iommu_ops, NULL); + down_read(&dmar_global_lock); iommu_pmu_register(iommu); } @@ -4378,9 +4385,6 @@ static int context_setup_pass_through_cb(struct pci_dev *pdev, u16 alias, void * { struct device *dev = data; - if (dev != &pdev->dev) - return 0; - return context_setup_pass_through(dev, PCI_BUS_NUM(alias), alias & 0xff); } |