tools/virtio/ringtest: add usage example to README

[linux-2.6-block.git] / tools / Makefile

diff --git a/tools/Makefile b/tools/Makefile
index 06194468175442d1acb00c28d236262b9e3e7613..f10b64d8c67472b6828e4cb8028e91bebbb6f0af 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -141,7 +141,8 @@ libsubcmd_clean:
        $(call descend,lib/subcmd,clean)
 
 perf_clean:
-       $(call descend,$(@:_clean=),clean)
+       $(Q)mkdir -p $(PERF_O) .
+       $(Q)$(MAKE) --no-print-directory -C perf O=$(PERF_O) subdir= clean
 
 selftests_clean:
        $(call descend,testing/$(@:_clean=),clean)