perf build: Rename CONFIG_DWARF to CONFIG_LIBDW

In Makefile.config for unwinding the name dwarf implies either
libunwind or libdw. Make it clearer that CONFIG_DWARF is really just
defined when libdw is present by renaming to CONFIG_LIBDW.

Signed-off-by: Ian Rogers <[e-mail]>
Acked-by: Namhyung Kim <[e-mail]>
Tested-by: Leo Yan <[e-mail]>
Cc: Anup Patel <[e-mail]>
Cc: Yang Jihong <[e-mail]>
Cc: Palmer Dabbelt <[e-mail]>
Cc: David S. Miller <[e-mail]>
Cc: Albert Ou <[e-mail]>
Cc: Shenlin Liang <[e-mail]>
Cc: Nick Terrell <[e-mail]>
Cc: Guilherme Amadio <[e-mail]>
Cc: Steinar H. Gunderson <[e-mail]>
Cc: Changbin Du <[e-mail]>
Cc: Alexander Lobakin <[e-mail]>
Cc: Przemek Kitszel <[e-mail]>
Cc: Huacai Chen <[e-mail]>
Cc: Guo Ren <[e-mail]>
Cc: Masahiro Yamada <[e-mail]>
Cc: Masami Hiramatsu (Google) <[e-mail]>
Cc: Will Deacon <[e-mail]>
Cc: James Clark <[e-mail]>
Cc: Mike Leach <[e-mail]>
Cc: Chen Pei <[e-mail]>
Cc: Leo Yan <[e-mail]>
Cc: Oliver Upton <[e-mail]>
Cc: Aditya Gupta <[e-mail]>
Cc: Kajol Jain <[e-mail]>
Cc: Athira Rajeev <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: Bibo Mao <[e-mail]>
Cc: John Garry <[e-mail]>
Cc: Atish Patra <[e-mail]>
Cc: Dima Kogan <[e-mail]>
Cc: Paul Walmsley <[e-mail]>
Cc: Dr. David Alan Gilbert <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Namhyung Kim <[e-mail]>

tools/perf/Makefile.config

···
       CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS)
       LDFLAGS += $(LIBDW_LDFLAGS)
       EXTLIBS += ${DWARFLIBS}
-      $(call detected,CONFIG_DWARF)
+      $(call detected,CONFIG_LIBDW)
     endif # PERF_HAVE_DWARF_REGS
   endif # NO_LIBDW
 

tools/perf/arch/arm/util/Build

···
 perf-util-y += perf_regs.o
 
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 
 perf-util-$(CONFIG_LOCAL_LIBUNWIND)    += unwind-libunwind.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o

tools/perf/arch/arm64/util/Build

···
 perf-util-y += tsc.o
 perf-util-y += pmu.o
 perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
-perf-util-$(CONFIG_DWARF)     += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW)     += dwarf-regs.o
 perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
 

tools/perf/arch/csky/util/Build

···
 perf-util-y += perf_regs.o
 
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o

tools/perf/arch/loongarch/util/Build

···
 perf-util-y += header.o
 perf-util-y += perf_regs.o
 
-perf-util-$(CONFIG_DWARF)     += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW)     += dwarf-regs.o
 perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
 perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o

tools/perf/arch/mips/util/Build

···
 perf-util-y += perf_regs.o
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o

tools/perf/arch/powerpc/util/Build

···
 perf-util-y += evsel.o
 perf-util-y += event.o
 
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
-perf-util-$(CONFIG_DWARF) += skip-callchain-idx.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += skip-callchain-idx.o
 
 perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o

tools/perf/arch/riscv/util/Build

···
 perf-util-y += header.o
 
 perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o

tools/perf/arch/s390/util/Build

···
 perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
 perf-util-y += perf_regs.o
 
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
 
 perf-util-y += machine.o

tools/perf/arch/sh/util/Build

···
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o

tools/perf/arch/sparc/util/Build

···
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o

tools/perf/arch/x86/util/Build

···
 perf-util-y += iostat.o
 perf-util-y += env.o
 
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
 perf-util-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
 
 perf-util-$(CONFIG_LOCAL_LIBUNWIND)    += unwind-libunwind.o

tools/perf/arch/xtensa/util/Build

···
-perf-$(CONFIG_DWARF) += dwarf-regs.o
+perf-$(CONFIG_LIBDW) += dwarf-regs.o

tools/perf/util/Build

···
 perf-util-y += setns.o
 endif
 
-perf-util-$(CONFIG_DWARF) += probe-finder.o
-perf-util-$(CONFIG_DWARF) += dwarf-aux.o
-perf-util-$(CONFIG_DWARF) += dwarf-regs.o
-perf-util-$(CONFIG_DWARF) += debuginfo.o
-perf-util-$(CONFIG_DWARF) += annotate-data.o
+perf-util-$(CONFIG_LIBDW) += probe-finder.o
+perf-util-$(CONFIG_LIBDW) += dwarf-aux.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW) += debuginfo.o
+perf-util-$(CONFIG_LIBDW) += annotate-data.o
 
 perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
 perf-util-$(CONFIG_LOCAL_LIBUNWIND)    += unwind-libunwind-local.o
···
 ifdef CONFIG_JITDUMP
 perf-util-$(CONFIG_LIBELF) += jitdump.o
 perf-util-$(CONFIG_LIBELF) += genelf.o
-perf-util-$(CONFIG_DWARF) += genelf_debug.o
+perf-util-$(CONFIG_LIBDW) += genelf_debug.o
 endif
 
 perf-util-y += perf-hooks.o