Re: [PATCH 21/34] selftests: powerpc: Fix incorrect kernel headers search path

[Shuah Khan]

On 1/27/23 06:57, Mathieu Desnoyers wrote:

Use $(KHDR_INCLUDES) as lookup path for kernel headers. This prevents
building against kernel headers from the build environment in scenarios
where kernel headers are installed into a specific output directory
(O=...).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoy...@efficios.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: linux-kselft...@vger.kernel.org
Cc: Ingo Molnar <mi...@redhat.com>
Cc: <sta...@vger.kernel.org>    [5.18+]
---
  tools/testing/selftests/powerpc/ptrace/Makefile   | 2 +-
  tools/testing/selftests/powerpc/security/Makefile | 2 +-
  tools/testing/selftests/powerpc/syscalls/Makefile | 2 +-
  tools/testing/selftests/powerpc/tm/Makefile       | 2 +-
  4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile 
b/tools/testing/selftests/powerpc/ptrace/Makefile
index 2f02cb54224d..cbeeaeae8837 100644
--- a/tools/testing/selftests/powerpc/ptrace/Makefile
+++ b/tools/testing/selftests/powerpc/ptrace/Makefile
@@ -33,7 +33,7 @@ TESTS_64 := $(patsubst %,$(OUTPUT)/%,$(TESTS_64))
  $(TESTS_64): CFLAGS += -m64
  $(TM_TESTS): CFLAGS += -I../tm -mhtm

-CFLAGS += -I../../../../../usr/include -fno-pie

+CFLAGS += $(KHDR_INCLUDES) -fno-pie

$(OUTPUT)/ptrace-gpr: ptrace-gpr.S

  $(OUTPUT)/ptrace-pkey $(OUTPUT)/core-pkey: LDLIBS += -pthread
diff --git a/tools/testing/selftests/powerpc/security/Makefile 
b/tools/testing/selftests/powerpc/security/Makefile
index 7488315fd847..e0d979ab0204 100644
--- a/tools/testing/selftests/powerpc/security/Makefile
+++ b/tools/testing/selftests/powerpc/security/Makefile
@@ -5,7 +5,7 @@ TEST_PROGS := mitigation-patching.sh

top_srcdir = ../../../../.. -CFLAGS += -I../../../../../usr/include

+CFLAGS += $(KHDR_INCLUDES)

include ../../lib.mk diff --git a/tools/testing/selftests/powerpc/syscalls/Makefile b/tools/testing/selftests/powerpc/syscalls/Makefile

index b63f8459c704..d1f2648b112b 100644
--- a/tools/testing/selftests/powerpc/syscalls/Makefile
+++ b/tools/testing/selftests/powerpc/syscalls/Makefile
@@ -1,7 +1,7 @@
  # SPDX-License-Identifier: GPL-2.0-only
  TEST_GEN_PROGS := ipc_unmuxed rtas_filter

-CFLAGS += -I../../../../../usr/include

+CFLAGS += $(KHDR_INCLUDES)

top_srcdir = ../../../../..

  include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/tm/Makefile 
b/tools/testing/selftests/powerpc/tm/Makefile
index 5881e97c73c1..3876805c2f31 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -17,7 +17,7 @@ $(TEST_GEN_PROGS): ../harness.c ../utils.c
  CFLAGS += -mhtm

$(OUTPUT)/tm-syscall: tm-syscall-asm.S

-$(OUTPUT)/tm-syscall: CFLAGS += -I../../../../../usr/include
+$(OUTPUT)/tm-syscall: CFLAGS += $(KHDR_INCLUDES)
  $(OUTPUT)/tm-tmspr: CFLAGS += -pthread
  $(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64
  $(OUTPUT)/tm-resched-dscr: ../pmu/lib.c

Adding powerpc maitainers.

Would you me to take this patch through kselftest tree? If you
decide to take this through yours:

Acked-by: Shuah Khan <sk...@linuxfoundation.org>

thanks,
-- Shuah