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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /drivers/iommu/amd/iommu.c
parent3baea29dc0a7b561170d7082f831a613ae6aa56e (diff)
parentb4432656b36e5cc1d50a1f2dc15357543add530e (diff)
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/amd/iommu.c')
-rw-r--r--drivers/iommu/amd/iommu.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index be8761bbef0f..f34209b08b4c 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -3869,6 +3869,9 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info)
struct irq_2_irte *irte_info = &ir_data->irq_2_irte;
struct iommu_dev_data *dev_data;
+ if (WARN_ON_ONCE(!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir)))
+ return -EINVAL;
+
if (ir_data->iommu == NULL)
return -EINVAL;
@@ -3879,21 +3882,11 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info)
* we should not modify the IRTE
*/
if (!dev_data || !dev_data->use_vapic)
- return 0;
+ return -EINVAL;
ir_data->cfg = irqd_cfg(data);
pi_data->ir_data = ir_data;
- /* Note:
- * SVM tries to set up for VAPIC mode, but we are in
- * legacy mode. So, we force legacy mode instead.
- */
- if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir)) {
- pr_debug("%s: Fall back to using intr legacy remap\n",
- __func__);
- pi_data->is_guest_mode = false;
- }
-
pi_data->prev_ga_tag = ir_data->cached_ga_tag;
if (pi_data->is_guest_mode) {
ir_data->ga_root_ptr = (pi_data->base >> 12);