From df06fec8e4debb6155917d63d7ecce3da0c70d53 Mon Sep 17 00:00:00 2001 From: torvald Date: Sat, 24 Dec 2011 01:42:48 +0000 Subject: libitm: Don't enforce privatization safety if already in serial mode. libitm/ * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce privatization safety if already in serial mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182676 138bc75d-0d04-0410-961f-82ee72b054a4 --- libitm/ChangeLog | 5 +++++ libitm/beginend.cc | 7 ++++++- 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'libitm') diff --git a/libitm/ChangeLog b/libitm/ChangeLog index abdf4fb62d8..d2f0fd752f0 100644 --- a/libitm/ChangeLog +++ b/libitm/ChangeLog @@ -1,3 +1,8 @@ +2011-12-24 Torvald Riegel + + * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce + privatization safety if already in serial mode. + 2011-12-24 Torvald Riegel * beginend.cc (GTM::gtm_thread::restart): Add and handle diff --git a/libitm/beginend.cc b/libitm/beginend.cc index 17f9d7490d8..797548192eb 100644 --- a/libitm/beginend.cc +++ b/libitm/beginend.cc @@ -457,7 +457,12 @@ GTM::gtm_thread::trycommit () // The transaction is now inactive. Everything that we still have to do // will not synchronize with other transactions anymore. if (state & gtm_thread::STATE_SERIAL) - gtm_thread::serial_lock.write_unlock (); + { + gtm_thread::serial_lock.write_unlock (); + // There are no other active transactions, so there's no need to + // enforce privatization safety. + priv_time = 0; + } else gtm_thread::serial_lock.read_unlock (this); state = 0; -- cgit v1.2.1