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selftests: make order checking verbose in msg_zerocopy selftest

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[ Upstream commit 7d6d8f0c8b700c9493f2839abccb6d29028b4219 ]

We find that when lock debugging is on, notifications may not come in
order. Thus, we have order checking outputs managed by cfg_verbose, to
avoid too many outputs in this case.

Fixes: 07b65c5b31 ("test: add msg_zerocopy test")
Signed-off-by: Zijian Zhang <zijianzhang@bytedance.com>
Signed-off-by: Xiaochun Lu <xiaochun.lu@bytedance.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240701225349.3395580-3-zijianzhang@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zijian Zhang 2024-07-01 22:53:49 +00:00 committed by Greg Kroah-Hartman
parent 1782a42ca2
commit 3908637dce
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/net/msg_zerocopy.c
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@ -438,7 +438,7 @@ static bool do_recv_completion(int fd, int domain)
/* Detect notification gaps. These should not happen often, if at all.
* Gaps can occur due to drops, reordering and retransmissions.
*/
if (lo != next_completion)
if (cfg_verbose && lo != next_completion)
fprintf(stderr, "gap: %u..%u does not append to %u\n",
lo, hi, next_completion);
next_completion = hi + 1;