Hello.
On 4/1/2016 11:56 AM, Ralf Baechle wrote:
From: David Daney <david.daney@xxxxxxxxxx>
Define a new symbol (ARCH_SUPPORTS_LIBUNWIND) in config/Makefile.
Eh? Where is it?
Use this from x86 and MIPS to gate testing of libunwind.
x86? Where?
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>
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
tools/perf/config/Makefile | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f7d7f5a..713c69c 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -51,6 +51,11 @@ ifeq ($(NO_PERF_REGS),0)
$(call detected,CONFIG_PERF_REGS)
endif
+ifeq ($(ARCH),mips)
+ 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
MBR, Sergei
