| commit | a639a8eecf2be962b5dcd38dedd8b6bd10c2354b | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Tue Dec 22 16:06:49 2015 +0100 |
| committer | Joerg Roedel <jroedel@suse.de> | Mon Dec 28 17:18:54 2015 +0100 |
| tree | e3649abc2af73a3107354cf32f076ad3bbf63162 | |
| parent | 7b5e25b84eba25e78bce736a5c99649f7ff0f5c2 [diff] |
iommu/amd: Preallocate dma_ops apertures based on dma_mask Preallocate between 4 and 8 apertures when a device gets it dma_mask. With more apertures we reduce the lock contention of the domain lock significantly. Signed-off-by: Joerg Roedel <jroedel@suse.de>