From 3d9b98f4ec17ba8d555f1972a3870035a87574a0 Mon Sep 17 00:00:00 2001 From: Feng Wu Date: Tue, 9 Jun 2015 13:20:35 +0800 Subject: iommu, x86: Setup Posted-Interrupts capability for Intel iommu Set Posted-Interrupts capability for Intel iommu when Interrupt Remapping is enabled, clear it when disabled. Signed-off-by: Feng Wu Reviewed-by: Thomas Gleixner Acked-by: Joerg Roedel Cc: jiang.liu@linux.intel.com Cc: iommu@lists.linux-foundation.org Cc: dwmw2@infradead.org Link: http://lkml.kernel.org/r/1433827237-3382-9-git-send-email-feng.wu@intel.com Signed-off-by: Thomas Gleixner --- drivers/iommu/irq_remapping.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/iommu/irq_remapping.h') diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index b6ca30d31986..039c7af7b190 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -34,6 +34,8 @@ extern int disable_sourceid_checking; extern int no_x2apic_optout; extern int irq_remapping_enabled; +extern int disable_irq_post; + struct irq_remap_ops { /* The supported capabilities */ int capability; @@ -69,6 +71,7 @@ extern void ir_ack_apic_edge(struct irq_data *data); #define irq_remapping_enabled 0 #define irq_remap_broken 0 +#define disable_irq_post 1 #endif /* CONFIG_IRQ_REMAP */ -- cgit v1.2.3