linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Santosh Sivaraj <santosh@fossix.org>
To: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH 2/2] seltests/powerpc: Add a selftest for memcpy_mcsafe
Date: Wed,  4 Sep 2019 03:13:59 +0530	[thread overview]
Message-ID: <20190903214359.23887-2-santosh@fossix.org> (raw)
In-Reply-To: <20190903214359.23887-1-santosh@fossix.org>

Appropriate self tests for memcpy_mcsafe

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Santosh Sivaraj <santosh@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


  reply	other threads:[~2019-09-03 21:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-03 21:43 [PATCH 1/2] powerpc/memcpy: Fix stack corruption for smaller sizes Santosh Sivaraj
2019-09-03 21:43 ` Santosh Sivaraj [this message]
2019-09-06 10:46 ` Christophe Leroy
2019-09-19 10:25 ` Michael Ellerman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190903214359.23887-2-santosh@fossix.org \
    --to=santosh@fossix.org \
    --cc=aneesh.kumar@linux.ibm.com \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mpe@ellerman.id.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).