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From: John Birrell <jb@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 135121 for review
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http://perforce.freebsd.org/chv.cgi?CH=135121

Change 135121 by jb@jb_freebsd1 on 2008/02/09 21:25:41

	Change a comment to reflect the fact that the Statically
	Defined Tracing (sdt) implementation for FreeBSD doesn't
	use breakpoints.

Affected files ...

.. //depot/projects/dtrace/src/sys/amd64/amd64/exception.S#9 edit

Differences ...

==== //depot/projects/dtrace/src/sys/amd64/amd64/exception.S#9 (text+ko) ====

@@ -188,10 +188,10 @@
 	FAKE_MCOUNT(TF_RIP(%rsp))
 #ifdef KDTRACE_HOOKS
 	/*
-	 * DTrace Function Boundary Trace (fbt) and Statically Defined
-	 * Trace (sdt) probes are triggered by int3 (0xcc) which causes
-	 * the #BP (T_BPTFLT) breakpoint interrupt. For all other trap
-	 * types, just handle them in the usual way.
+	 * DTrace Function Boundary Trace (fbt) probes are triggered
+	 * by int3 (0xcc) which causes the #BP (T_BPTFLT) breakpoint
+	 * interrupt. For all other trap types, just handle them in
+	 * the usual way.
 	 */
 	cmpq	$T_BPTFLT,TF_TRAPNO(%rsp)
 	jne	calltrap