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| author | Logan Gunthorpe <logang@deltatee.com> | 2017-07-25 14:57:42 -0600 |
|---|---|---|
| committer | Jon Mason <jdmason@kudzu.us> | 2017-08-01 15:18:59 -0400 |
| commit | 0eb46345364d7318b11068c46e8a68d5dc10f65e (patch) | |
| tree | 05bb31a2bc66ed1b746ba3aecfaa89c0106f397b | |
| parent | f3fd2afed8eee91620d05b69ab94c14793c849d7 (diff) | |
| download | linux-0eb46345364d7318b11068c46e8a68d5dc10f65e.tar.bz2 | |
ntb: ntb_test: ensure the link is up before trying to configure the mws
After the link tests, there is a race on one side of the test for
the link coming up. It's possible, in some cases, for the test script
to write to the 'peer_trans' files before the link has come up.
To fix this, we simply use the link event file to ensure both sides
see the link as up before continuning.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Fixes: a9c59ef77458 ("ntb_test: Add a selftest script for the NTB subsystem")
| -rwxr-xr-x | tools/testing/selftests/ntb/ntb_test.sh | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh index 1c12b5855e4f..5fc7ad359e21 100755 --- a/tools/testing/selftests/ntb/ntb_test.sh +++ b/tools/testing/selftests/ntb/ntb_test.sh @@ -333,6 +333,10 @@ function ntb_tool_tests() link_test $LOCAL_TOOL $REMOTE_TOOL link_test $REMOTE_TOOL $LOCAL_TOOL + #Ensure the link is up on both sides before continuing + write_file Y $LOCAL_TOOL/link_event + write_file Y $REMOTE_TOOL/link_event + for PEER_TRANS in $(ls $LOCAL_TOOL/peer_trans*); do PT=$(basename $PEER_TRANS) write_file $MW_SIZE $LOCAL_TOOL/$PT |