From: David Daney <david.daney@xxxxxxxxxx> Define a new symbol (ARCH_SUPPORTS_LIBUNWIND) in config/Makefile. Use this from x86 and MIPS to gate testing of libunwind. Signed-off-by: David Daney <david.daney@xxxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx> Patchwork: https://patchwork.linux-mips.org/patch/5250/ Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> --- tools/perf/config/Makefile | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index cc22408..0d0595e 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -27,19 +27,29 @@ ifeq ($(ARCH),x86) else LIBUNWIND_LIBS = -lunwind -lunwind-x86 endif + ARCH_SUPPORTS_LIBUNWIND := 1 NO_PERF_REGS := 0 endif ifeq ($(ARCH),arm) NO_PERF_REGS := 0 + ARCH_SUPPORTS_LIBUNWIND := 1 LIBUNWIND_LIBS = -lunwind -lunwind-arm endif ifeq ($(ARCH),arm64) NO_PERF_REGS := 0 + ARCH_SUPPORTS_LIBUNWIND := 1 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif +# Additional ARCH settings for MIPS +ifeq ($(ARCH),mips) + ARCH_SUPPORTS_LIBUNWIND := 1 + NO_PERF_REGS := 0 + LIBUNWIND_LIBS = -lunwind -lunwind-mips +endif + # So far there's only x86 and arm libdw unwind support merged in perf. # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures -- 1.9.3
