[PATCH 2/2] seltests/powerpc: Add a selftest for memcpy_mcsafe

[Santosh Sivaraj]

Appropriate self tests for memcpy_mcsafe

Suggested-by: Michael Ellerman <mpe at ellerman.id.au>
Signed-off-by: Santosh Sivaraj <santosh at fossix.org>
---
 tools/testing/selftests/powerpc/copyloops/.gitignore       | 1 +
 tools/testing/selftests/powerpc/copyloops/Makefile         | 7 ++++++-
 tools/testing/selftests/powerpc/copyloops/asm/export.h     | 1 +
 .../testing/selftests/powerpc/copyloops/memcpy_mcsafe_64.S | 1 +
 4 files changed, 9 insertions(+), 1 deletion(-)
 create mode 120000 tools/testing/selftests/powerpc/copyloops/memcpy_mcsafe_64.S

diff --git a/tools/testing/selftests/powerpc/copyloops/.gitignore b/tools/testing/selftests/powerpc/copyloops/.gitignore
index de158104912a..12ef5b031974 100644
--- a/tools/testing/selftests/powerpc/copyloops/.gitignore
+++ b/tools/testing/selftests/powerpc/copyloops/.gitignore
@@ -11,3 +11,4 @@ memcpy_p7_t1
 copyuser_64_exc_t0
 copyuser_64_exc_t1
 copyuser_64_exc_t2
+memcpy_mcsafe_64
diff --git a/tools/testing/selftests/powerpc/copyloops/Makefile b/tools/testing/selftests/powerpc/copyloops/Makefile
index 44574f3818b3..0917983a1c78 100644
--- a/tools/testing/selftests/powerpc/copyloops/Makefile
+++ b/tools/testing/selftests/powerpc/copyloops/Makefile
@@ -12,7 +12,7 @@ ASFLAGS = $(CFLAGS) -Wa,-mpower4
 TEST_GEN_PROGS := copyuser_64_t0 copyuser_64_t1 copyuser_64_t2 \
 		copyuser_p7_t0 copyuser_p7_t1 \
 		memcpy_64_t0 memcpy_64_t1 memcpy_64_t2 \
-		memcpy_p7_t0 memcpy_p7_t1 \
+		memcpy_p7_t0 memcpy_p7_t1 memcpy_mcsafe_64 \
 		copyuser_64_exc_t0 copyuser_64_exc_t1 copyuser_64_exc_t2
 
 EXTRA_SOURCES := validate.c ../harness.c stubs.S
@@ -45,6 +45,11 @@ $(OUTPUT)/memcpy_p7_t%:	memcpy_power7.S $(EXTRA_SOURCES)
 		-D SELFTEST_CASE=$(subst memcpy_p7_t,,$(notdir $@)) \
 		-o $@ $^
 
+$(OUTPUT)/memcpy_mcsafe_64: memcpy_mcsafe_64.S $(EXTRA_SOURCES)
+	$(CC) $(CPPFLAGS) $(CFLAGS) \
+		-D COPY_LOOP=test_memcpy_mcsafe \
+		-o $@ $^
+
 $(OUTPUT)/copyuser_64_exc_t%: copyuser_64.S exc_validate.c ../harness.c \
 		copy_tofrom_user_reference.S stubs.S
 	$(CC) $(CPPFLAGS) $(CFLAGS) \
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/export.h b/tools/testing/selftests/powerpc/copyloops/asm/export.h
index 05c1663c89b0..e6b80d5fbd14 100644
--- a/tools/testing/selftests/powerpc/copyloops/asm/export.h
+++ b/tools/testing/selftests/powerpc/copyloops/asm/export.h
@@ -1,3 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #define EXPORT_SYMBOL(x)
+#define EXPORT_SYMBOL_GPL(x)
 #define EXPORT_SYMBOL_KASAN(x)
diff --git a/tools/testing/selftests/powerpc/copyloops/memcpy_mcsafe_64.S b/tools/testing/selftests/powerpc/copyloops/memcpy_mcsafe_64.S
new file mode 120000
index 000000000000..f0feef3062f6
--- /dev/null
+++ b/tools/testing/selftests/powerpc/copyloops/memcpy_mcsafe_64.S
@@ -0,0 +1 @@
+../../../../../arch/powerpc/lib/memcpy_mcsafe_64.S
\ No newline at end of file
-- 
2.21.0