On Tuesday 15 March 2011 05:01 pm, John Baldwin wrote: > On Tuesday, March 15, 2011 3:47:20 pm Jung-uk Kim wrote: > > Author: jkim > > Date: Tue Mar 15 19:47:20 2011 > > New Revision: 219676 > > URL: http://svn.freebsd.org/changeset/base/219676 > > > > Log: > > Do not let machdep.tsc_freq modify tsc_freq itself. It is bad > > for i386 as it does not operate atomically. Actually, it serves > > no purpose. > > > > Noticed by: bde > > Ouch, please revert! We have depended on this for testing to > workaround BIOS issues (e.g. the USB SMI# handler firing at a bad > time during boot causing the TSC frequency to be calculated > incorrectly). I agree it's a hack that this works, but it has > actually proven useful in the past.
You can still change timecounter frequency. Can you please explain why you need to change tsc_freq directly? Jung-uk Kim _______________________________________________ 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"
