[PATCH 13/13] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts

From: Feng Wu
Date: Mon Nov 10 2014 - 01:36:44 EST


Enable VT-d Posted-Interrtups and add a command line
parameter for it.

Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
---
drivers/iommu/irq_remapping.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 0e36860..3cb9429 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -23,7 +23,7 @@ int irq_remap_broken;
int disable_sourceid_checking;
int no_x2apic_optout;

-int disable_irq_post = 1;
+int disable_irq_post = 0;
int irq_post_enabled = 0;
EXPORT_SYMBOL_GPL(irq_post_enabled);

@@ -206,6 +206,13 @@ static __init int setup_irqremap(char *str)
}
early_param("intremap", setup_irqremap);

+static __init int setup_nointpost(char *str)
+{
+ disable_irq_post = 1;
+ return 0;
+}
+early_param("nointpost", setup_nointpost);
+
void __init setup_irq_remapping_ops(void)
{
remap_ops = &intel_irq_remap_ops;
--
1.7.1

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