Thread (18 messages) 18 messages, 4 authors, 2020-06-15

Re: [PATCH 1/3] selftests/livepatch: Don't clear dmesg when running tests

From: Miroslav Benes <mbenes@suse.cz>
Date: 2020-06-11 07:38:06
Also in: linux-kselftest

Hi,

On Wed, 10 Jun 2020, Joe Lawrence wrote:
quoted hunk ↗ jump to hunk
diff --git a/tools/testing/selftests/livepatch/test-callbacks.sh b/tools/testing/selftests/livepatch/test-callbacks.sh
index 32b57ba07f4f..c3d949da5bb7 100755
--- a/tools/testing/selftests/livepatch/test-callbacks.sh
+++ b/tools/testing/selftests/livepatch/test-callbacks.sh
@@ -12,7 +12,7 @@ MOD_TARGET_BUSY=test_klp_callbacks_busy
 setup_config
 
 
-# TEST: target module before livepatch
+start_test "target module before livepatch"
 #
 # Test a combination of loading a kernel module and a livepatch that
 # patches a function in the first module.  Load the target module
@@ -28,9 +28,6 @@ setup_config
 #   unpatching transition starts.  klp_objects are reverted, post-patch
 #   callbacks execute and the transition completes.
 
-echo -n "TEST: target module before livepatch ... "
-dmesg -C
-
A nit, but I think it would be better to place start_test here below the 
comment. The same for other occurrences in test-callbacks.sh.

[...]
quoted hunk ↗ jump to hunk
diff --git a/tools/testing/selftests/livepatch/test-state.sh b/tools/testing/selftests/livepatch/test-state.sh
index a08212708115..bf8db1613961 100755
--- a/tools/testing/selftests/livepatch/test-state.sh
+++ b/tools/testing/selftests/livepatch/test-state.sh
@@ -10,10 +10,7 @@ MOD_LIVEPATCH3=test_klp_state3
 
 setup_config
 
-# TEST: Loading and removing a module that modifies the system state
-
-echo -n "TEST: system state modification ... "
-dmesg -C
+start_test "Loading and removing a module that modifies the system state"
start_test should get the message from the original echo command and not 
the comment above, I think...
quoted hunk ↗ jump to hunk
 load_lp $MOD_LIVEPATCH
 disable_lp $MOD_LIVEPATCH
@@ -41,10 +38,7 @@ livepatch: '$MOD_LIVEPATCH': unpatching complete
 % rmmod $MOD_LIVEPATCH"
 
 
-# TEST: Take over system state change by a cumulative patch
-
-echo -n "TEST: taking over system state modification ... "
-dmesg -C
+start_test "Take over system state change by a cumulative patch"
 
 load_lp $MOD_LIVEPATCH
 load_lp $MOD_LIVEPATCH2
@@ -85,10 +79,7 @@ livepatch: '$MOD_LIVEPATCH2': unpatching complete
 % rmmod $MOD_LIVEPATCH2"
 
 
-# TEST: Take over system state change by a cumulative patch
-
-echo -n "TEST: compatible cumulative livepatches ... "
-dmesg -C
+start_test "Take over system state change by a cumulative patch"
...because now we have two "Take over system state change by a cumulative 
patch" tests in the log.

Miroslav
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