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[PATCH] ARM: Ensure DMA-bounced buffers are properly written to RAM
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Mon, 20 Jun 2005 11:31:14 +0000 (12:31 +0100)
committerRussell King <rmk@dyn-67.arm.linux.org.uk>
Mon, 20 Jun 2005 11:31:14 +0000 (12:31 +0100)
commit5abc100e882a979f8f5be8184938305b3fb2df2b
tree75c19f3780250773c4457cf55a0c08ebcde480a0tree | snapshot
parentb8a9b66fbee09d0cc71c272b5c1d1f3320afbbf0commit | diff
[PATCH] ARM: Ensure DMA-bounced buffers are properly written to RAM

When DMA bounce buffers were unmapped and the data was memcpy'd to
the original buffer, we were not ensuring that the data was written
to RAM.  This means that there was the potential for page cache
pages to have different cache states depending whether they've been
bounced or not.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/common/dmabounce.c diff | blob | history
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