aboutsummaryrefslogtreecommitdiffstats
path: root/lib/bitmap.c
diff options
context:
space:
mode:
authorJoerg Roedel <[email protected]>2010-02-08 13:44:49 +0000
committerJoerg Roedel <[email protected]>2010-03-01 13:16:22 +0000
commit5d214fe6e808a8caa9cb6f610c0190d3f50ac570 (patch)
tree326b6d2ea83d9a5df8ea4eef91834dc3e0da2bac /lib/bitmap.c
parentx86/amd-iommu: Remove double NULL check in check_device (diff)
downloadkernel-5d214fe6e808a8caa9cb6f610c0190d3f50ac570.tar.gz
kernel-5d214fe6e808a8caa9cb6f610c0190d3f50ac570.zip
x86/amd-iommu: Protect IOMMU-API map/unmap path
This patch introduces a mutex to lock page table updates in the IOMMU-API path. We can't use the spin_lock here because this patch might sleep. Signed-off-by: Joerg Roedel <[email protected]>
Diffstat (limited to 'lib/bitmap.c')
0 files changed, 0 insertions, 0 deletions