Date: Fri, 3 Dec 2010 21:54:10 +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: r216161 - in head/sys: amd64/amd64 i386/i386 Message-ID: <201012032154.oB3LsADC035461@svn.freebsd.org>
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Author: jkim Date: Fri Dec 3 21:54:10 2010 New Revision: 216161 URL: http://svn.freebsd.org/changeset/base/216161 Log: Explicitly initialize TSC frequency. To calibrate TSC frequency, we use DELAY(9) and it may use TSC in turn if TSC frequency is non-zero. MFC after: 3 days Modified: head/sys/amd64/amd64/tsc.c head/sys/i386/i386/tsc.c Modified: head/sys/amd64/amd64/tsc.c ============================================================================== --- head/sys/amd64/amd64/tsc.c Fri Dec 3 21:52:01 2010 (r216160) +++ head/sys/amd64/amd64/tsc.c Fri Dec 3 21:54:10 2010 (r216161) @@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$"); #include "cpufreq_if.h" -uint64_t tsc_freq; +uint64_t tsc_freq = 0; int tsc_is_broken; int tsc_is_invariant; static eventhandler_tag tsc_levels_tag, tsc_pre_tag, tsc_post_tag; Modified: head/sys/i386/i386/tsc.c ============================================================================== --- head/sys/i386/i386/tsc.c Fri Dec 3 21:52:01 2010 (r216160) +++ head/sys/i386/i386/tsc.c Fri Dec 3 21:54:10 2010 (r216161) @@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$"); #include "cpufreq_if.h" -uint64_t tsc_freq; +uint64_t tsc_freq = 0; int tsc_is_broken; int tsc_is_invariant; u_int tsc_present;
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