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). -- John Baldwin _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
