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Fix !CONFIG_DMAR build failure introduced by Intel IOMMU Pass Through Support 

This updated patch should fix the compiling errors and remove the extern
iommu_pass_through from drivers/pci/intel-iommu.c file.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Fenghua Yu 2009-04-30 17:57:11 -07:00 committed by David Woodhouse
parent 4ed0d3e6c6
commit aed5d5f4c5
3 changed files with 4 additions and 3 deletions
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2
arch/ia64/kernel/pci-dma.c
View File

@ -32,6 +32,8 @@ int force_iommu __read_mostly = 1;
int force_iommu __read_mostly; int force_iommu __read_mostly;
#endif #endif
int iommu_pass_through;
/* Dummy device used for NULL arguments (normally ISA). Better would /* Dummy device used for NULL arguments (normally ISA). Better would
be probably a smaller DMA mask, but this is bug-to-bug compatible be probably a smaller DMA mask, but this is bug-to-bug compatible
to i386. */ to i386. */

4
arch/x86/kernel/pci-dma.c
View File

@ -32,6 +32,8 @@ int no_iommu __read_mostly;
/* Set this to 1 if there is a HW IOMMU in the system */ /* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly = 0; int iommu_detected __read_mostly = 0;
int iommu_pass_through;
dma_addr_t bad_dma_address __read_mostly = 0; dma_addr_t bad_dma_address __read_mostly = 0;
EXPORT_SYMBOL(bad_dma_address); EXPORT_SYMBOL(bad_dma_address);
@ -160,8 +162,6 @@ again:
return page_address(page); return page_address(page);
} }
extern int iommu_pass_through;
/* /*
* See <Documentation/x86_64/boot-options.txt> for the iommu kernel parameter * See <Documentation/x86_64/boot-options.txt> for the iommu kernel parameter
* documentation. * documentation.

1
drivers/pci/intel-iommu.c
View File

@ -288,7 +288,6 @@ int dmar_disabled = 1;
static int __initdata dmar_map_gfx = 1; static int __initdata dmar_map_gfx = 1;
static int dmar_forcedac; static int dmar_forcedac;
static int intel_iommu_strict; static int intel_iommu_strict;
int iommu_pass_through;
#define DUMMY_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-1)) #define DUMMY_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-1))
static DEFINE_SPINLOCK(device_domain_lock); static DEFINE_SPINLOCK(device_domain_lock);