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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-01-04 16:16:23 +0900
committerIngo Molnar <mingo@elte.hu>2010-01-13 11:15:37 +0100
commit42590a75019a50012f25a962246498dead428433 (patch)
treef248821c7f38d988e2d03ddaaa7c63c59e0e3206 /arch/x86
parentfcfbb2b5facd65efa7284cc315225bfe3d1856c2 (diff)
x86/agp: Fix agp_amd64_init and agp_amd64_cleanup
This fixes the regression introduced by the commit f405d2c02395a74d3883bd03ded36457aa3697ad. The above commit fixes the following issue: http://marc.info/?l=linux-kernel&m=126192729110083&w=2 However, it doesn't work properly when you remove and insert the agp_amd64 module again. agp_amd64_init() and agp_amd64_cleanup should be called only when gart_iommu is not called earlier (that is, the GART IOMMU is not enabled). We need to use 'gart_iommu_aperture' to see if GART IOMMU is enabled or not. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: mitov@issp.bas.bg Cc: davej@redhat.com LKML-Reference: <20100104161603L.fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/aperture_64.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 3704997e8b25..f147a95fd84a 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -31,6 +31,7 @@
#include <asm/x86_init.h>
int gart_iommu_aperture;
+EXPORT_SYMBOL_GPL(gart_iommu_aperture);
int gart_iommu_aperture_disabled __initdata;
int gart_iommu_aperture_allowed __initdata;