From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx07lb.world4you.com (mx07lb.world4you.com [81.19.149.117]) (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 72E67189B8C for ; Mon, 10 Feb 2025 21:26:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=81.19.149.117 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739222767; cv=none; b=Pk6jYCcycftAKJtWTwAeWyykx3ykNdnPRgUsJJw3sr9CGbqHlILbLXwOZ3C1d12ZetDe44FDRJFgGIEg7EaxaFPIf23ltt4nuiNenK8DZTM59CLXGalXjJt7MLKjVJ0sdBV+KqMwbyQ4+SLuCC2Meo/vWUcR6786HU2HIE4+xGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739222767; c=relaxed/simple; bh=PHnXMs2aP1nRZ3kx4/ik8KOkWi00ecq8fsqcNsyvwCo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=qn7wchyGuF9JZ0jMdxhzN0YuQ55ybcr/8R9N7yXUfCs+gq+2SfmqfZ5hFRICj3JVHepxiiqgXv9ArvAcnTD/WQjKoLZIlZHgYrad2v1jT8m6qWoN0o9ywpZccTsPp+F6N4RCxX9T3kVBIVdsiknaIDA3NbrVhqp1tk/VX7REa+8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=engleder-embedded.com; spf=pass smtp.mailfrom=engleder-embedded.com; dkim=pass (1024-bit key) header.d=engleder-embedded.com header.i=@engleder-embedded.com header.b=P1MkszLE; arc=none smtp.client-ip=81.19.149.117 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=engleder-embedded.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=engleder-embedded.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=engleder-embedded.com header.i=@engleder-embedded.com header.b="P1MkszLE" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=engleder-embedded.com; s=dkim11; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=PHnXMs2aP1nRZ3kx4/ik8KOkWi00ecq8fsqcNsyvwCo=; b=P1MkszLEP/MF1UfFLY2anAljxH jmfuZ/KTuW9qljoZFj8cF/rwd4fmDVJ83YnTjLWO+7etM1qwWU9qWw1bVFphshkdu4CmMubI/9R+i Bzbs9YcBdrgtPT2ee4RFxspBAnMda/NQ5q76Cx1xsH4t7Am69PnjXhkZYVIpC1U1SeL8=; Received: from [88.117.55.1] (helo=[10.0.0.160]) by mx07lb.world4you.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1thaAt-000000000NS-1KUN; Mon, 10 Feb 2025 21:14:35 +0100 Message-ID: Date: Mon, 10 Feb 2025 21:14:33 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] igb: Get rid of spurious interrupts To: Kurt Kanzenbach Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Przemek Kitszel , Sebastian Andrzej Siewior , Joe Damato , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, Tony Nguyen References: <20250210-igb_irq-v1-0-bde078cdb9df@linutronix.de> <20250210-igb_irq-v1-3-bde078cdb9df@linutronix.de> Content-Language: en-US From: Gerhard Engleder In-Reply-To: <20250210-igb_irq-v1-3-bde078cdb9df@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-AV-Do-Run: Yes On 10.02.25 10:19, Kurt Kanzenbach wrote: > When running the igc with XDP/ZC in busy polling mode with deferral of hard > interrupts, interrupts still happen from time to time. That is caused by > the igc task watchdog which triggers Rx interrupts periodically. igc or igb?