From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87D2A158219; Tue, 9 Jul 2024 11:16:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720523801; cv=none; b=em0jpd69BE/bzf9IldUtU0Ztkz9XPOZW+T4Bxy1VUImPlTiucROJzuGusDaDLfwZjfmbne4ze8/sGY5CFMg//M+S201MLWC1EdngGNeYmqP23zsYFe0iD6HjqwZ4GlDyWsg9NRDBtsjyYRj+q+wwMl0ewQPKBFlLQ3MzPXn6v6E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720523801; c=relaxed/simple; bh=aBc9XbJL1xdNHQxFmpPNDzhzguDPGEdLaUdQDNkLUU4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YO+q+dNFoOK6juvd9S0TftuzQNRUsPMOKE3U7mtCv+NO9vwy+kKq/+syFZ229H1AgpzNunhemJqpc93+uEPtQCpczegiXsK9rrpqJVctPOde0BmewL7LuqpDx9BGhCmIVlHCEyM2zgMKEFkyECW3SgvzyLDl0c3N5I4Qe8E0E0Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PP6PpZwI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="PP6PpZwI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E10AC3277B; Tue, 9 Jul 2024 11:16:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720523801; bh=aBc9XbJL1xdNHQxFmpPNDzhzguDPGEdLaUdQDNkLUU4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PP6PpZwIFVaEkmewrqLs0ZNOkJSLg+KC8ryncjQ7r2FANRpmpouErPfQBMTwY3TEW PY706PRFRrmHuVgpUMSrhXENnt6mkRFXoWiWav/h3LVDE2n/GFPoyarnn6YLc4sgst TQ08X3ohzEaYzQsXFR5btrw1bkTCRKn4mK0XPxys= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zijian Zhang , Xiaochun Lu , Willem de Bruijn , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.6 083/139] selftests: make order checking verbose in msg_zerocopy selftest Date: Tue, 9 Jul 2024 13:09:43 +0200 Message-ID: <20240709110701.383616689@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240709110658.146853929@linuxfoundation.org> References: <20240709110658.146853929@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zijian Zhang [ 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: 07b65c5b31ce ("test: add msg_zerocopy test") Signed-off-by: Zijian Zhang Signed-off-by: Xiaochun Lu Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/20240701225349.3395580-3-zijianzhang@bytedance.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- tools/testing/selftests/net/msg_zerocopy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c index 926556febc83c..7ea5fb28c93db 100644 --- a/tools/testing/selftests/net/msg_zerocopy.c +++ b/tools/testing/selftests/net/msg_zerocopy.c @@ -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; -- 2.43.0