On Thu, Jan 09, 2014 at 10:45:38AM +0000, Alexander Motin wrote: > New Revision: 260474 > URL: http://svnweb.freebsd.org/changeset/base/260474 > > Log: > MFC r259197: > Do not DELAY() for P-state transition unless we want to see the result. > > Intel manual says: "If a transition is already in progress, transition to > a new value will subsequently take effect. Reads of IA32_PERF_CTL determine > the last targeted operating point." So seems it should be fine to just > trigger wanted transition and go. Linux does the same. > > Modified: > stable/9/sys/x86/cpufreq/est.c
It looks like stable/8 can also benefit from this commit. Mind making one? ./danfe _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"