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(parent: f1a2a9b) | patch
drm: radeon: Fix unaligned access in r300_scratch().
authorDavid Miller <davem@davemloft.net>
Wed, 18 Feb 2009 09:35:23 +0000 (01:35 -0800)
committerDave Airlie <airlied@redhat.com>
Fri, 13 Mar 2009 04:24:04 +0000 (14:24 +1000)
commit958a6f8ccb1964adc3eec84cf401c5baeb4fbca0
tree88dc0089ae4517ac1bb55a39ed15eab10bec5112tree
parentf1a2a9b6189f9f5c27672d4d32fec9492c6486b2commit | diff
drm: radeon: Fix unaligned access in r300_scratch().

In compat mode, the cmdbuf->buf 64-bit address cookie can
potentially be only 32-bit aligned.  Dereferencing this as
64-bit causes expensive unaligned traps on platforms like
sparc64.

Use get_unaligned() to fix.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/r300_cmdbuf.c diff | blob | blame | history
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