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-rw-r--r--drivers/iommu/irq_remapping.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 913455a5fd40..8adaaeae3268 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -22,7 +22,7 @@ int irq_remap_broken;
int disable_sourceid_checking;
int no_x2apic_optout;
-int disable_irq_post = 1;
+int disable_irq_post = 0;
static int disable_irq_remap;
static struct irq_remap_ops *remap_ops;
@@ -58,14 +58,18 @@ static __init int setup_irqremap(char *str)
return -EINVAL;
while (*str) {
- if (!strncmp(str, "on", 2))
+ if (!strncmp(str, "on", 2)) {
disable_irq_remap = 0;
- else if (!strncmp(str, "off", 3))
+ disable_irq_post = 0;
+ } else if (!strncmp(str, "off", 3)) {
disable_irq_remap = 1;
- else if (!strncmp(str, "nosid", 5))
+ disable_irq_post = 1;
+ } else if (!strncmp(str, "nosid", 5))
disable_sourceid_checking = 1;
else if (!strncmp(str, "no_x2apic_optout", 16))
no_x2apic_optout = 1;
+ else if (!strncmp(str, "nopost", 6))
+ disable_irq_post = 1;
str += strcspn(str, ",");
while (*str == ',')
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