[src/trunk]: src/sys/sys sys/sdt.h: Nix needless SDT_VAR_DECL.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/46a6f8a9d624
branches:  trunk
changeset: 374529:46a6f8a9d624
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Apr 30 08:46:20 2023 +0000

description:
sys/sdt.h: Nix needless SDT_VAR_DECL.

Previously introduced as a provisional build fix, its need has been
obviated by making SDT_PROBE* do __USE on the arguments in builds
without KDTRACE_HOOKS.

diffstat:

 sys/sys/sdt.h |  6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diffs (27 lines):

diff -r a3168ce44752 -r 46a6f8a9d624 sys/sys/sdt.h
--- a/sys/sys/sdt.h     Sun Apr 30 08:46:11 2023 +0000
+++ b/sys/sys/sdt.h     Sun Apr 30 08:46:20 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sdt.h,v 1.20 2023/04/30 08:46:03 riastradh Exp $       */
+/*     $NetBSD: sdt.h,v 1.21 2023/04/30 08:46:20 riastradh Exp $       */
 
 /*-
  * Copyright 2006-2008 John Birrell <jb%FreeBSD.org@localhost>
@@ -173,8 +173,6 @@
     arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6,    \
     xarg6)
 
-#define        SDT_VAR_DECL(decl)                                      __nothing
-
 #define        DTRACE_PROBE(name)                                                    \
        __nothing
 #define        DTRACE_PROBE1(name, type0, arg0)                                      \
@@ -400,8 +398,6 @@
                        (uintptr_t)(arg6));                                   \
 } while (0)
 
-#define        SDT_VAR_DECL(decl)      decl ;
-
 #define        DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4)     do    \
 {                                                                            \
        static SDT_PROBE_DEFINE(sdt, , , name);                               \