Re: svn commit: r271604 - head/sys/kern

2014-09-15 Thread Konstantin Belousov
On Sun, Sep 14, 2014 at 10:13:19PM +, Alexander Motin wrote: Author: mav Date: Sun Sep 14 22:13:19 2014 New Revision: 271604 URL: http://svnweb.freebsd.org/changeset/base/271604 Log: Add couple memory barries to serialize tdq_cpu_idle and tdq_load accesses. Serialize what against

Re: svn commit: r271604 - head/sys/kern

2014-09-15 Thread Alexander Motin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 15.09.2014 11:51, Konstantin Belousov wrote: On Sun, Sep 14, 2014 at 10:13:19PM +, Alexander Motin wrote: Author: mav Date: Sun Sep 14 22:13:19 2014 New Revision: 271604 URL: http://svnweb.freebsd.org/changeset/base/271604 Log: Add

Re: svn commit: r271604 - head/sys/kern

2014-09-15 Thread Konstantin Belousov
On Mon, Sep 15, 2014 at 12:04:51PM +0300, Alexander Motin wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 15.09.2014 11:51, Konstantin Belousov wrote: On Sun, Sep 14, 2014 at 10:13:19PM +, Alexander Motin wrote: Author: mav Date: Sun Sep 14 22:13:19 2014 New Revision: 271604

svn commit: r271604 - head/sys/kern

2014-09-14 Thread Alexander Motin
Author: mav Date: Sun Sep 14 22:13:19 2014 New Revision: 271604 URL: http://svnweb.freebsd.org/changeset/base/271604 Log: Add couple memory barries to serialize tdq_cpu_idle and tdq_load accesses. This change fixes transient performance drops in some of my benchmarks, vanishing as soon