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authorJoerg Roedel <jroedel@suse.de>2015-12-22 13:38:12 +0100
committerJoerg Roedel <jroedel@suse.de>2015-12-28 17:18:54 +0100
commit7b5e25b84eba25e78bce736a5c99649f7ff0f5c2 (patch)
tree57470efa741c799674b94e21fb7a6e49f06d8e47 /Documentation/lzo.txt
parentiommu/amd: Make dma_ops_domain->next_index percpu (diff)
downloadlinux-7b5e25b84eba25e78bce736a5c99649f7ff0f5c2.tar.xz
linux-7b5e25b84eba25e78bce736a5c99649f7ff0f5c2.zip
iommu/amd: Use trylock to aquire bitmap_lock
First search for a non-contended aperture with trylock before spinning. Signed-off-by: Joerg Roedel <jroedel@suse.de>
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