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GNU C Library master sources branch master updated. glibc-2.17-884-ga7cb9d6
- From: ak at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 2 Jul 2013 15:50:10 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-884-ga7cb9d6
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a7cb9d67a531cdb6f6b6d633a7beb47211341076
commit a7cb9d67a531cdb6f6b6d633a7beb47211341076
Author: Andi Kleen <ak@linux.intel.com>
Date: Tue Jul 2 08:49:30 2013 -0700
Add lock elision to NEWS file
diff --git a/NEWS b/NEWS
index 9d37d10..56ce7ef 100644
--- a/NEWS
+++ b/NEWS
@@ -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
-----------------------------------------------------------------------
Summary of changes:
NEWS | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
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