On Fri, Dec 2, 2016 at 9:18 AM, John Baldwin <j...@freebsd.org> wrote: > On Thursday, December 01, 2016 02:41:41 PM Warner Losh wrote: >> On Thu, Dec 1, 2016 at 9:48 AM, hiren panchasara >> <hi...@strugglingcoder.info> wrote: >> > On 12/01/16 at 04:35P, Warner Losh wrote: >> >> Author: imp >> >> Date: Thu Dec 1 04:35:43 2016 >> >> New Revision: 309351 >> >> URL: https://svnweb.freebsd.org/changeset/base/309351 >> >> >> >> Log: >> >> Revert the 'performance' setting to 'NONE' from C2. >> > >> > Just a note that this commit reverts r282110. >> >> Yea, it's good for laptops, bad for servers. At least there's some >> Intel CPUs that this causes corruption with USB. That's being sorted >> out, but until that's done we need to fail more safe for our primary >> market. > > It's also good for some servers as you need some cores in C-states > to get the maximum Turbo Boost on other cores (though that may have > been more true for earlier generations of i7 CPUs than more recent > generations).
Once the corruption issues are solved, we can and should put this back. Adrian is working on that. Warner _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
