linux-kernel - [PATCH 11/19] x86, irq: Move irq_remapping

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Date:	Tue, 7 Aug 2012 17:43:41 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	<x86@...nel.org>
CC:	Suresh Siddha <suresh.b.siddha@...el.com>,
	Yinghai Lu <yinghai@...nel.org>,
	<linux-kernel@...r.kernel.org>, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 11/19] x86, irq: Move irq_remapping_enabled declaration to iommu code

Remove the last left-over from this flag from x86 code.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/include/asm/irq_remapping.h |    4 ----
 drivers/iommu/dmar.c                 |    2 ++
 drivers/iommu/intel-iommu.c          |    2 ++
 drivers/iommu/irq_remapping.h        |    3 +++
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index fb99a73..6f4b48b 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -26,8 +26,6 @@
 
 #ifdef CONFIG_IRQ_REMAP
 
-extern int irq_remapping_enabled;
-
 extern void setup_irq_remapping_ops(void);
 extern int irq_remapping_supported(void);
 extern int irq_remapping_prepare(void);
@@ -49,8 +47,6 @@ extern void panic_if_irq_remap(const char *msg);
 
 #else  /* CONFIG_IRQ_REMAP */
 
-#define irq_remapping_enabled	0
-
 static inline void setup_irq_remapping_ops(void) { }
 static inline int irq_remapping_supported(void) { return 0; }
 static inline int irq_remapping_prepare(void) { return -ENODEV; }
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 86e2f4a..174bb65 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -41,6 +41,8 @@
 #include <asm/irq_remapping.h>
 #include <asm/iommu_table.h>
 
+#include "irq_remapping.h"
+
 /* No locks are needed as DMA remapping hardware unit
  * list is constructed at boot time and hotplug of
  * these units are not supported by the architecture.
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 7469b53..28c944c 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -46,6 +46,8 @@
 #include <asm/cacheflush.h>
 #include <asm/iommu.h>
 
+#include "irq_remapping.h"
+
 #define ROOT_SIZE		VTD_PAGE_SIZE
 #define CONTEXT_SIZE		VTD_PAGE_SIZE
 
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index b12974c..1003297 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -34,6 +34,7 @@ struct msi_msg;
 extern int disable_irq_remap;
 extern int disable_sourceid_checking;
 extern int no_x2apic_optout;
+extern int irq_remapping_enabled;
 
 struct irq_remap_ops {
 	/* Check whether Interrupt Remapping is supported */
@@ -83,6 +84,8 @@ struct irq_remap_ops {
 
 extern struct irq_remap_ops intel_irq_remap_ops;
 
+#else  /* CONFIG_IRQ_REMAP */
+#define irq_remapping_enabled 0
 #endif /* CONFIG_IRQ_REMAP */
 
 #endif /* __IRQ_REMAPPING_H */
-- 
1.7.9.5


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