| commit | 0e242612d9cdb46e878ed1f126c78fe68492af00 | [log] [tgz] |
|---|---|---|
| author | Jiang Liu <jiang.liu@linux.intel.com> | Wed Feb 19 14:07:34 2014 +0800 |
| committer | Joerg Roedel <joro@8bytes.org> | Tue Mar 04 17:51:05 2014 +0100 |
| tree | ab7c73c8ebb07c94ac42d93de529f9905569ab09 | |
| parent | 3a5670e8ac932c10a3e50d9dc0ab1da4cc3041d7 [diff] |
iommu/vt-d: Use RCU to protect global resources in interrupt context Global DMA and interrupt remapping resources may be accessed in interrupt context, so use RCU instead of rwsem to protect them in such cases. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>