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libitm: Don't enforce privatization safety if already in serial mode.

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libitm/
	* beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
	privatization safety if already in serial mode.

From-SVN: r182676
This commit is contained in:
Torvald Riegel 2011-12-24 01:42:48 +00:00 committed by Torvald Riegel
parent 610e390135
commit c898f7b85f
2 changed files with 11 additions and 1 deletions
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5
libitm/ChangeLog
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@ -1,3 +1,8 @@
2011-12-24 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
privatization safety if already in serial mode.
2011-12-24 Torvald Riegel <triegel@redhat.com>
* beginend.cc (GTM::gtm_thread::restart): Add and handle

7
libitm/beginend.cc
View File

@ -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;