Commit e4dcdd6b authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar

x86: Add flush_write_buffers in nommu functions

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: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 9f9ab46d
......@@ -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;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment