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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-12-03 14:53:04 +0900
committerIngo Molnar <mingo@elte.hu>2008-12-03 08:26:40 +0100
commit181de82ee3ffda1175f89d50c991dae31b79280c (patch)
treeb6b3e0a4507138ae4542f115790fe489683d7ef3 /arch/x86/kernel/pci-dma.c
parent6083aa485c86933ee444dc2242270d37ea4664cb (diff)
x86: remove dead BIO_VMERGE_BOUNDARY definition
Impact: cleanup, remove dead code The block layer dropped the virtual merge feature (b8b3e16cfe6435d961f6aaebcfd52a1ff2a988c5). BIO_VMERGE_BOUNDARY definition is meaningless now. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
-rw-r--r--arch/x86/kernel/pci-dma.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 12eeb4bfcde..da93c65f8f0 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -31,11 +31,6 @@ int no_iommu __read_mostly;
/* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly = 0;
-/* This tells the BIO block layer to assume merging. Default to off
- because we cannot guarantee merging later. */
-int iommu_bio_merge __read_mostly = 0;
-EXPORT_SYMBOL(iommu_bio_merge);
-
dma_addr_t bad_dma_address __read_mostly = 0;
EXPORT_SYMBOL(bad_dma_address);
@@ -189,7 +184,6 @@ static __init int iommu_setup(char *p)
}
if (!strncmp(p, "biomerge", 8)) {
- iommu_bio_merge = 4096;
iommu_merge = 1;
force_iommu = 1;
}