linux-kernel - [PATCH] selftests: vDSO: don't include generated headers for chacha test

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Message-ID: <20240904155817.1153783-1-Jason@zx2c4.com>
Date: Wed,  4 Sep 2024 17:58:17 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: adhemerval.zanella@...aro.org,
	linux-kernel@...r.kernel.org
Cc: "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH] selftests: vDSO: don't include generated headers for chacha test

It's not correct to use $(top_srcdir) for generated header files, for
builds that are done out of tree via O=, and $(objtree) isn't valid in
the selftests context. Instead, just obviate the need for these
generated header files by defining empty stubs in tools/include/asm,
which is the same thing that's done for rwlock.h.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 tools/include/asm/asm-offsets.h       | 0
 tools/include/asm/cpucap-defs.h       | 0
 tools/include/asm/sysreg-defs.h       | 0
 tools/testing/selftests/vDSO/Makefile | 1 -
 4 files changed, 1 deletion(-)
 create mode 100644 tools/include/asm/asm-offsets.h
 create mode 100644 tools/include/asm/cpucap-defs.h
 create mode 100644 tools/include/asm/sysreg-defs.h

diff --git a/tools/include/asm/asm-offsets.h b/tools/include/asm/asm-offsets.h
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tools/include/asm/cpucap-defs.h b/tools/include/asm/cpucap-defs.h
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tools/include/asm/sysreg-defs.h b/tools/include/asm/sysreg-defs.h
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index 3c6fafbd83a6..55038a65fa61 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -40,6 +40,5 @@ $(OUTPUT)/vdso_test_getrandom: CFLAGS += -isystem $(top_srcdir)/tools/include \
 $(OUTPUT)/vdso_test_chacha: $(top_srcdir)/tools/arch/$(SRCARCH)/vdso/vgetrandom-chacha.S
 $(OUTPUT)/vdso_test_chacha: CFLAGS += -idirafter $(top_srcdir)/tools/include \
                                       -idirafter $(top_srcdir)/arch/$(SRCARCH)/include \
-                                      -idirafter $(top_srcdir)/arch/$(SRCARCH)/include/generated \
                                       -idirafter $(top_srcdir)/include \
                                       -D__ASSEMBLY__ -Wa,--noexecstack
-- 
2.46.0