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authorBjorn Helgaas <bhelgaas@google.com>2024-04-11 01:13:04 +0300
committerBjorn Helgaas <bhelgaas@google.com>2024-05-16 01:01:58 +0300
commit72860ff3bb76f56ec7f7cd763368e80139a70d75 (patch)
tree23ab3abe036c31c3aac19ead0fe049f7efacb5c3 /drivers/iommu
parentb966b1102871ad3842708294f6ec018eede75463 (diff)
downloadlinux-72860ff3bb76f56ec7f7cd763368e80139a70d75.tar.xz
Revert "iommu/amd: Enable PCI/IMS"
This reverts commit fa5745aca1dc819aee6463a2475b5c277f7cf8f6. IMS (Interrupt Message Store) support appeared in v6.2, but there are no users yet. Remove it for now. We can add it back when a user comes along. Link: https://lore.kernel.org/r/20240410221307.2162676-5-helgaas@kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd/iommu.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index d35c1b8c8e65..31a1a6686329 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -3701,20 +3701,11 @@ static struct irq_chip amd_ir_chip = {
};
static const struct msi_parent_ops amdvi_msi_parent_ops = {
- .supported_flags = X86_VECTOR_MSI_FLAGS_SUPPORTED |
- MSI_FLAG_MULTI_PCI_MSI |
- MSI_FLAG_PCI_IMS,
+ .supported_flags = X86_VECTOR_MSI_FLAGS_SUPPORTED | MSI_FLAG_MULTI_PCI_MSI,
.prefix = "IR-",
.init_dev_msi_info = msi_parent_init_dev_msi_info,
};
-static const struct msi_parent_ops virt_amdvi_msi_parent_ops = {
- .supported_flags = X86_VECTOR_MSI_FLAGS_SUPPORTED |
- MSI_FLAG_MULTI_PCI_MSI,
- .prefix = "vIR-",
- .init_dev_msi_info = msi_parent_init_dev_msi_info,
-};
-
int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
{
struct fwnode_handle *fn;
@@ -3732,11 +3723,7 @@ int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
irq_domain_update_bus_token(iommu->ir_domain, DOMAIN_BUS_AMDVI);
iommu->ir_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT |
IRQ_DOMAIN_FLAG_ISOLATED_MSI;
-
- if (amd_iommu_np_cache)
- iommu->ir_domain->msi_parent_ops = &virt_amdvi_msi_parent_ops;
- else
- iommu->ir_domain->msi_parent_ops = &amdvi_msi_parent_ops;
+ iommu->ir_domain->msi_parent_ops = &amdvi_msi_parent_ops;
return 0;
}