GcLock: write lock#28

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oktal wants to merge 16 commits intomasterfrom

gclock-write-lock

Commits on Jul 25, 2013

Introduced a boolean flag to GcLock to control defer execution
Mathieu Stefani
committed
Removed unused RCU source files from directory tree
Mathieu Stefani
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Merge branch 'master' into gclock-defer-write
Mathieu Stefani
committed

Commits on Jul 26, 2013

Replaced rcu_dereference_sym call by plain std::atomic.
Mathieu Stefani
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Commits on Aug 2, 2013

Implemented speculative Gc. The speculative unlock version does not guarantee that once it's done, the Gc is unlocked.
Mathieu Stefani
committed

Commits on Aug 5, 2013

Merge branch 'master' into gclock-speculative-experiment
Mathieu Stefani
committed

Commits on Aug 7, 2013

Refactored TLS stuff
Mathieu Stefani
committed

Commits on Aug 16, 2013

Merge branch 'master' into gclock-write-lock
Mathieu Stefani
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GcLock: can now dissociate read-side from write-side critical sections. This allows us to block writes when needed
Mathieu Stefani
committed

Commits on Aug 19, 2013

Merge branch 'master' into gclock-write-lock
Mathieu Stefani
committed

Commits on Aug 22, 2013

Made some refinement to the GcLock. Also added a guard against infinite spinning
Mathieu Stefani
committed

Commits on Aug 26, 2013

Calling ML::do_abort before throwing in GCLOCK_SPINCHECK macro. This is useful if we can't use catch throw in gdb
Mathieu Stefani
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Using AND mask rather than SHR to check the stop bit
Mathieu Stefani
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Throwing an exception when the CAS fails in unlockWrite
Mathieu Stefani
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Moved write-side critical section implementation in source file
Mathieu Stefani
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Removed the double-check. We don't need it if we check after reading the old value
Mathieu Stefani
committed