| commit | d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6 | [log] [tgz] |
|---|---|---|
| author | Eric Anholt <eric@anholt.net> | Thu Aug 21 12:53:33 2008 -0700 |
| committer | Dave Airlie <airlied@linux.ie> | Sat Oct 18 07:10:12 2008 +1000 |
| tree | ea0669efa2f70ba8559d644e21b0356b1cba2458 | |
| parent | 395e0ddc44005ced5e4fed9bfc2e4bdf63d37627 [diff] |
Export kmap_atomic_pfn for DRM-GEM. The driver would like to map IO space directly for copying data in when appropriate, to avoid CPU cache flushing for streaming writes. kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>