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Diffstat (limited to 'drivers/iommu/irq_remapping.c')
-rw-r--r--drivers/iommu/irq_remapping.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index ee59647c20..c244365981 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -24,6 +24,8 @@ int no_x2apic_optout;
int disable_irq_post = 0;
+bool enable_posted_msi __ro_after_init;
+
static int disable_irq_remap;
static struct irq_remap_ops *remap_ops;
@@ -70,7 +72,8 @@ static __init int setup_irqremap(char *str)
no_x2apic_optout = 1;
else if (!strncmp(str, "nopost", 6))
disable_irq_post = 1;
-
+ else if (IS_ENABLED(CONFIG_X86_POSTED_MSI) && !strncmp(str, "posted_msi", 10))
+ enable_posted_msi = true;
str += strcspn(str, ",");
while (*str == ',')
str++;
@@ -151,7 +154,10 @@ int __init irq_remap_enable_fault_handling(void)
if (!remap_ops->enable_faulting)
return -ENODEV;
- return remap_ops->enable_faulting();
+ cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "dmar:enable_fault_handling",
+ remap_ops->enable_faulting, NULL);
+
+ return remap_ops->enable_faulting(smp_processor_id());
}
void panic_if_irq_remap(const char *msg)