Messages in this thread Patch in this message |  | | From | Glauber Costa <> | Subject | [PATCH 04/28] x86: Add flush_write_buffers in nommu functions | Date | Tue, 8 Apr 2008 13:20:46 -0300 |
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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 <gcosta@redhat.com> --- 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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