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| author |   Joerg Roedel <jroedel@suse.de> | 2015-12-22 16:06:49 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-12-28 17:18:54 +0100 |
| commit | a639a8eecf2be962b5dcd38dedd8b6bd10c2354b (patch) | |
| tree | e3649abc2af73a3107354cf32f076ad3bbf63162 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | iommu/amd: Use trylock to aquire bitmap_lock (diff) | |
| download | wireguard-linux-a639a8eecf2be962b5dcd38dedd8b6bd10c2354b.tar.xz wireguard-linux-a639a8eecf2be962b5dcd38dedd8b6bd10c2354b.zip | |
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>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions