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| author | Andi Kleen <ak@linux.intel.com> | 2013-07-02 08:49:30 -0700 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2013-07-02 08:49:30 -0700 |
| commit | a7cb9d67a531cdb6f6b6d633a7beb47211341076 (patch) | |
| tree | ee6d510e0bcf2af2e49aa8d3c8ac5972d427b68f | |
| parent | 1717da59aed9612becd56aaa1249aac695af4c8a (diff) | |
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Add lock elision to NEWS file
| -rw-r--r-- | NEWS | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -65,6 +65,12 @@ Version 2.18 * Added new API functions pthread_getattr_default_np and pthread_setattr_default_np to get and set the default pthread attributes of a process. + +* Added support for TSX lock elision for pthread mutexes on i386 and x86-64. + This may improve lock scaling of existing programs on TSX capable systems. + When the --enable-lock-elision=yes parameter is specified at configure + time lock elision will be enabled by default for all PTHREAD_MUTEX_DEFAULT + mutexes. Version 2.17 |