https://github.com/torvalds/linux
Revision 206a73c102fc480ba072a9388bc2142c303113aa authored by David Woodhouse on 01 July 2009, 18:30:28 UTC, committed by David Woodhouse on 01 July 2009, 18:43:37 UTC
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>
1 parent c85994e
History
Tip revision: 206a73c102fc480ba072a9388bc2142c303113aa authored by David Woodhouse on 01 July 2009, 18:30:28 UTC
intel-iommu: Kill superfluous mapping_lock
Tip revision: 206a73c

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