From: Ganesh Goudar <ganeshgr@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: mahesh@linux.vnet.ibm.com, msuchanek@suse.de,
Ganesh Goudar <ganeshgr@linux.ibm.com>,
npiggin@gmail.com
Subject: [PATCH 3/3] selftest/powerpc: Add slb multihit selftest
Date: Wed, 16 Sep 2020 22:52:28 +0530 [thread overview]
Message-ID: <20200916172228.83271-4-ganeshgr@linux.ibm.com> (raw)
In-Reply-To: <20200916172228.83271-1-ganeshgr@linux.ibm.com>
Add selftest to check if the system recovers from slb multihit
errors.
Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com>
---
tools/testing/selftests/powerpc/Makefile | 3 ++-
tools/testing/selftests/powerpc/mces/Makefile | 6 ++++++
tools/testing/selftests/powerpc/mces/slb_multihit.sh | 9 +++++++++
3 files changed, 17 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/powerpc/mces/Makefile
create mode 100755 tools/testing/selftests/powerpc/mces/slb_multihit.sh
diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index 0830e63818c1..3c900b30da79 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -31,7 +31,8 @@ SUB_DIRS = alignment \
vphn \
math \
ptrace \
- security
+ security \
+ mces
endif
diff --git a/tools/testing/selftests/powerpc/mces/Makefile b/tools/testing/selftests/powerpc/mces/Makefile
new file mode 100644
index 000000000000..5a356295e952
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mces/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for machine check exceptions selftests
+
+TEST_PROGS := slb_multihit.sh
+
+include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/mces/slb_multihit.sh b/tools/testing/selftests/powerpc/mces/slb_multihit.sh
new file mode 100755
index 000000000000..35c17c619d0a
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mces/slb_multihit.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+if [ ! -e "/sys/kernel/debug/powerpc/mce_error_inject/inject_slb_multihit" ] ; then
+ exit 0;
+fi
+
+echo 1 > /sys/kernel/debug/powerpc/mce_error_inject/inject_slb_multihit
+exit 0
--
2.26.2
next prev parent reply other threads:[~2020-09-17 1:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-16 17:22 [PATCH 0/3] powerpc/mce: Fix mce handler and add selftest Ganesh Goudar
2020-09-16 17:22 ` [PATCH 1/3] powerpc/mce: remove nmi_enter/exit from real mode handler Ganesh Goudar
2020-09-17 12:20 ` Michal Suchánek
2020-09-18 12:04 ` Ganesh
2020-09-16 17:22 ` [PATCH 2/3] powerpc/mce: Add debugfs interface to inject MCE Ganesh Goudar
2020-09-17 8:24 ` kernel test robot
2020-09-17 8:24 ` kernel test robot
2020-09-17 8:36 ` kernel test robot
2020-09-17 8:36 ` kernel test robot
2020-09-17 12:23 ` Michal Suchánek
2020-09-18 12:06 ` Ganesh
2020-09-18 6:40 ` Michael Ellerman
2020-09-18 12:07 ` Ganesh
2020-09-16 17:22 ` Ganesh Goudar [this message]
2020-09-17 12:29 ` [PATCH 0/3] powerpc/mce: Fix mce handler and add selftest Michal Suchánek
2020-09-18 11:49 ` Ganesh
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