commit 4f3d8b67ad3090f9fb72f8235d21cde53cd24b79
author Joerg Roedel <joerg.roedel@amd.com> Fri Mar 30 11:47:01 2012 -0700
committer Joerg Roedel <joerg.roedel@amd.com> Mon May 07 14:34:59 2012 +0200
tree c6408bbae796a1aec8c0d8ef735ee2f159358e2c
parent 736baef4472d00574089f295bc759ac002b9558c

iommu/vt-d: Convert missing apic.c intr-remapping call to remap_ops

Convert these calls too:

	* Disable of remapping hardware
	* Reenable of remapping hardware
	* Enable fault handling

With that all of arch/x86/kernel/apic/apic.c is converted to
use the generic intr-remapping interface.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

arch/x86/include/asm/intr_remapping.h

diff --git a/arch/x86/include/asm/intr_remapping.h b/arch/x86/include/asm/intr_remapping.h
index 207c605..55aa892 100644
--- a/arch/x86/include/asm/intr_remapping.h
+++ b/arch/x86/include/asm/intr_remapping.h
@@ -30,6 +30,9 @@
 extern int intr_remapping_supported(void);
 extern int intr_hardware_init(void);
 extern int intr_hardware_enable(void);
+extern void intr_hardware_disable(void);
+extern int intr_hardware_reenable(int);
+extern int intr_enable_fault_handling(void);
 
 #else  /* CONFIG_IRQ_REMAP */
 
@@ -39,6 +42,9 @@
 static inline int intr_remapping_supported(void) { return 0; }
 static inline int intr_hardware_init(void) { return -ENODEV; }
 static inline int intr_hardware_enable(void) { return -ENODEV; }
+static inline void intr_hardware_disable(void) { }
+static inline int intr_hardware_reenable(int eim) { return -ENODEV; }
+static inline int intr_enable_fault_handling(void) { return -ENODEV; }
 
 #endif /* CONFIG_IRQ_REMAP */
 

arch/x86/kernel/apic/apic.c

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 1db6f63..a276268 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1443,7 +1443,7 @@
 	 * handling for interrupt remapping.
 	 */
 	if (intr_remapping_enabled)
-		enable_drhd_fault_handling();
+		intr_enable_fault_handling();
 
 }
 
@@ -2181,7 +2181,7 @@
 	disable_local_APIC();
 
 	if (intr_remapping_enabled)
-		disable_intr_remapping();
+		intr_hardware_disable();
 
 	local_irq_restore(flags);
 	return 0;
@@ -2250,7 +2250,7 @@
 	apic_read(APIC_ESR);
 
 	if (intr_remapping_enabled)
-		reenable_intr_remapping(x2apic_mode);
+		intr_hardware_reenable(x2apic_mode);
 
 	local_irq_restore(flags);
 }