Date: Tue, 21 Oct 2008 04:31:07 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r184108 - head/sys/i386/i386 Message-ID: <200810210431.m9L4V7Pb088978@svn.freebsd.org>
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Author: jkim Date: Tue Oct 21 04:31:07 2008 New Revision: 184108 URL: http://svn.freebsd.org/changeset/base/184108 Log: Fix 'kern.timeconter.invariant_tsc' tunable and back out a redundant hack. Somehow incomplete version was committed. :-( Modified: head/sys/i386/i386/tsc.c Modified: head/sys/i386/i386/tsc.c ============================================================================== --- head/sys/i386/i386/tsc.c Tue Oct 21 03:18:02 2008 (r184107) +++ head/sys/i386/i386/tsc.c Tue Oct 21 04:31:07 2008 (r184108) @@ -53,7 +53,8 @@ u_int tsc_present; static eventhandler_tag tsc_levels_tag, tsc_pre_tag, tsc_post_tag; SYSCTL_INT(_kern_timecounter, OID_AUTO, invariant_tsc, CTLFLAG_RDTUN, - &tsc_is_invariant, 0, "Indicates the TSC is P-state invariant"); + &tsc_is_invariant, 0, "Indicates whether the TSC is P-state invariant"); +TUNABLE_INT("kern.timecounter.invariant_tsc", &tsc_is_invariant); #ifdef SMP static int smp_tsc; @@ -111,9 +112,8 @@ init_TSC(void) set_cputicker(rdtsc, tsc_freq, 1); /* Register to find out about changes in CPU frequency. */ - if (!tsc_is_invariant) - tsc_pre_tag = EVENTHANDLER_REGISTER(cpufreq_pre_change, - tsc_freq_changing, NULL, EVENTHANDLER_PRI_FIRST); + tsc_pre_tag = EVENTHANDLER_REGISTER(cpufreq_pre_change, + tsc_freq_changing, NULL, EVENTHANDLER_PRI_FIRST); tsc_post_tag = EVENTHANDLER_REGISTER(cpufreq_post_change, tsc_freq_changed, NULL, EVENTHANDLER_PRI_FIRST); tsc_levels_tag = EVENTHANDLER_REGISTER(cpufreq_levels_changed,
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