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| author | Eric Anholt <eric@anholt.net> | 2009-07-06 11:55:28 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-07-06 13:11:03 -0700 |
| commit | 78fa590a1d297f2e2fea98bd3f0cbf4cdb1e3a08 (patch) | |
| tree | 69b75677d8c3910a6aa8ed3e921b9cba1cd6a174 /shared-core/xgi_drm.h | |
| parent | cea2d29ee49f23d560f0088a1a3dd01932a1eaf4 (diff) | |
intel: Fix up math errors when allocating very large BOs.
The logbase2 would overflow and wrap the size around to 0, making the code
allocate a 4kb object instead. By simplifying the code to just walk the
14-entry bucket array comparing sizes instead of indexing on
ffs(1 << logbase2(size)), we avoid silly math errors and have code of
approximately the same speed.
Many thanks to Simon Farnsworth for debugging and providing a working patch.
Bug #27365.
Diffstat (limited to 'shared-core/xgi_drm.h')
0 files changed, 0 insertions, 0 deletions