| commit | 206a73c102fc480ba072a9388bc2142c303113aa | |
| author | David Woodhouse <David.Woodhouse@intel.com> | |
| Wed, 1 Jul 2009 18:30:28 +0000 (1 19:30 +0100) | ||
| committer | David Woodhouse <David.Woodhouse@intel.com> | |
| Wed, 1 Jul 2009 18:43:37 +0000 (1 19:43 +0100) | ||
| tree | 0b946089436df51a4444ef23069a9037853d5e61 | treesnapshot (tar.gz zip) |
| parent | c85994e4771025ef2a66533eb1a4c6c2217b9cda | commitdiff |
intel-iommu: Kill superfluous mapping_lock
Since we're using cmpxchg64() anyway (because that's the only way to do
an atomic 64-bit store on i386), we might as well ditch the extra
locking and just use cmpxchg64() to ensure that we don't add the page
twice.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Since we're using cmpxchg64() anyway (because that's the only way to do
an atomic 64-bit store on i386), we might as well ditch the extra
locking and just use cmpxchg64() to ensure that we don't add the page
twice.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| drivers/pci/intel-iommu.c | diffblobblamehistory |