On 8/17/20 9:09 AM, Denys Vlasenko wrote:
If top make invocation uses -j4 or larger, this patch reduces
"make headers_install" subtask run time from 30 to 7 seconds.

CC: Shuah Khan <[email protected]>
CC: Shuah Khan <[email protected]>
CC: [email protected]
CC: [email protected]
Signed-off-by: Denys Vlasenko <[email protected]>
---
  tools/testing/selftests/lib.mk | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 7a17ea815736..51124b962d56 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -47,9 +47,9 @@ ARCH          ?= $(SUBARCH)
  khdr:
  ifndef KSFT_KHDR_INSTALL_DONE
  ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
-       make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
+       $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
  else
-       make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
+       $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
                ARCH=$(ARCH) -C $(top_srcdir) headers_install
  endif
  endif


Thanks for the patch. Applied to linux-kselftest next for 5.10

thanks,
-- Shuah

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