This patch adds flush_write_buffers() in some functions of pci-nommu_64.c
They are added anywhere i386 would also have it. This is not a problem
for x86_64, since flush_rite_buffers() an nop for it.
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]>
---
arch/x86/kernel/pci-nommu_64.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index a4e8ccf..1da9cf9 100644
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -32,6 +32,7 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr,
size_t size,
dma_addr_t bus = paddr;
if (!check_addr("map_single", hwdev, bus, size))
return bad_dma_address;
+ flush_write_buffers();
return bus;
}
@@ -64,6 +65,7 @@ static int nommu_map_sg(struct device *hwdev, struct
scatterlist *sg,
return 0;
s->dma_length = s->length;
}
+ flush_write_buffers();
return nents;
}
--
1.5.0.6
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