From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3656246C64; Thu, 31 Jul 2025 20:31:23 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BD40C402CC; Thu, 31 Jul 2025 20:31:22 +0200 (CEST) Received: from mail-lf1-f53.google.com (mail-lf1-f53.google.com [209.85.167.53]) by mails.dpdk.org (Postfix) with ESMTP id 0C395402A0 for ; Thu, 31 Jul 2025 20:31:21 +0200 (CEST) Received: by mail-lf1-f53.google.com with SMTP id 2adb3069b0e04-55b82db8fd4so75929e87.2 for ; Thu, 31 Jul 2025 11:31:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1753986680; x=1754591480; darn=dpdk.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=qNxrjQPUpGlGPvOuKs/hOw8ARdKeY7rZuHj+scxEW0w=; b=f+t/zuG1GbwD320w+lvT31z9+DMpPBkDLp7qWfpDpQGzpgrqRShkzXX90GQykdxaRQ 8VI5Ezzb6RmU7BTM0t6sSPwQXsPYYXckhP038q0MSqabg9n1n4ttPys+gElaR8TX/vVX 6TqAouGuMWbn8seDgjOOiD2bMDL7kzMOQtdGsgZmFelsW3cCuoU6I3BLwP/WqO+7Tj8o 6+dKZOrGljNg2oV3THML2RyRJhkU7bODiMbaYhozbOoFjoRC5jSV4Yu54IoY5XpjHeHf /MVvahrhPruzaUsNpheN2ZQqORTYXT0NI6Mp+n/0m+Rd2xzNKBnH7k2nh8vKxGlUOAOi +f7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753986680; x=1754591480; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qNxrjQPUpGlGPvOuKs/hOw8ARdKeY7rZuHj+scxEW0w=; b=FFQhOyR1i2+o2/jqo9hkrjsBExbCb5p1VuKnxhaCG8Q3ksXsXLte81CQPTXOa3q5O2 ZT4Jy3ppYQwPz1QLZnEvePJXssxnOsAYuMcVlck9xL2ZroRPMY4SnmQqztgoJJFWqw6P tjUNWvHmoHqW9MMjzasWJkDeDKMD994Kh2rExAoGmFXGh3cLYux2UHQJFImN8XDxvQH7 xo/x71A0z6+GM0KSsYrKfh6jCGlCg2GreWPj395QJ6xMslyBVwbGFSIRXGQs1VuAwkiV x+8r2W/6H7loFpr7A1K1e49B9qd2db2wIhd0bjc4BjGhlojQziQ7XWvN/amcTupj6DSe SisQ== X-Gm-Message-State: AOJu0YznuaX6UbrUZsHe/zeVKvtinKSE5nvQe2LDgtI73vWFSNlDiHdP w8C8gwZeG2OXQn9cUeVMs2opCsgLAC8i7i53la26lVZCOPxDHGy3grp5 X-Gm-Gg: ASbGncsj1gPxUXdbhbuz/iMrn8eeugpNri2e9N6Ruh2Rsmq7PA8ExlX0Y4LT54Yu3Wn IQeGR7beQzu3h5+sC1QIzjwmpBGboeanCgkF16dsOKQO0JEB7XHFOiixaS8xf/fSDLEY1ORUwaU drW6yDEjORhRfJ2KOD5Uhi5yOSIceEcbpk9fgiVx6/mOJmSkuTcp9sEnHY+IF+sPzkICYWu1PaN xuM4yEa9VIaJZ8lZXVISFQjUDPZLX7nCBe2cIlyKSYZV2Sjfwxa9fgd/yjgT+WYvE+sRQ6PiqDk rwVMzmiloJG+a6bo5OAD1N1duOh62MYRVeUJVpTeuNWnSfiPD3+FTx6Cc2B3NWDUhSVJY9yc0Mh myvxIUZ+v7hxntetOcbecL0NkAdcduAsha2X4Ho6Yh4C1vw== X-Google-Smtp-Source: AGHT+IGuQFIQaic1mSLDBzRjR22GJUdmaoiZ2PpCYtBOqFNXqTw4bHXtSxoXY44wM+Va7aPwsDP39w== X-Received: by 2002:a05:6512:401f:b0:553:37a7:b217 with SMTP id 2adb3069b0e04-55b7c05ab12mr3257508e87.35.1753986679925; Thu, 31 Jul 2025 11:31:19 -0700 (PDT) Received: from thinkpad.jira.postgrespro.ru ([93.174.132.69]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55b88caf6dcsm325166e87.159.2025.07.31.11.31.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Jul 2025 11:31:19 -0700 (PDT) From: Tofig Aliev To: jingjing.wu@intel.com Cc: dev@dpdk.org, Tofig Aliev Subject: [PATCH v2] raw/ntb: immediate return if no doorbells Date: Fri, 1 Aug 2025 01:31:17 +0700 Message-ID: <20250731183117.87499-1-t.aliev.mnt@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Added immediate return from ntb_dev_intr_handler() if no doorbells. Signed-off-by: Tofig Aliev --- Changes in v2: Fixed incorrect patch file. --- drivers/raw/ntb/ntb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/raw/ntb/ntb.c b/drivers/raw/ntb/ntb.c index 0ed4c14592..e298820e5f 100644 --- a/drivers/raw/ntb/ntb.c +++ b/drivers/raw/ntb/ntb.c @@ -158,8 +158,10 @@ ntb_dev_intr_handler(void *param) } db_bits = (*hw->ntb_ops->db_read)(dev); - if (!db_bits) + if (!db_bits) { NTB_LOG(ERR, "No doorbells"); + return; + } /* Doorbell 0 is for peer device ready. */ if (db_bits & 1) { -- 2.43.0