From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1D107EED615 for ; Thu, 12 Sep 2024 15:44:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1dnbxympOIF+tngqPF0O0fLCSge+TV8u1h+YESuf8L8=; b=SRKi8sr6V5rVVklOzU5F8JRyFV 4Uwb/7z4kj/mpYqu/qluiNLtlKqfw122zA117FBfU+zF06H5zd2cpOOGCXi2KiPIJu+9HVYL4UZy2 fR2uuN5P22I1S3PJ9Hp5XXPiMJ/WztA+KNJso3vuk/3IYtsWl0OXq4n2nosXlWdsAIuIm6Nm+YzMl OBnx8DpOzNugfpjmjjmDZ1jKLJPKgo5N1YzBdSZxvfiI7sMeKFaShHJhJgDQVsfUVTmMY8HRPCzW6 KH6YVct51Jm5kBM+70QZi1oQEv8qau86Z01F/lvyyJ9/Cp+QaOq+xrhZ6OdwLOyP9ICjxtMUQEHRE RyRxtWCg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1solzk-0000000DbaQ-3jJZ; Thu, 12 Sep 2024 15:44:32 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1solyf-0000000DbQC-0Vhb for linux-arm-kernel@lists.infradead.org; Thu, 12 Sep 2024 15:43:26 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id E76A7A456B0; Thu, 12 Sep 2024 15:43:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D79B2C4CEC3; Thu, 12 Sep 2024 15:43:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726155803; bh=1dnbxympOIF+tngqPF0O0fLCSge+TV8u1h+YESuf8L8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=c6gSNx66ZtiCGKPeWBEK1gPF/M7S0N5qgX6eTl0bNeWlDraCBsHufu+4tgFVCQcYV jiPt2hPqzPvXHdAB3BgVVV7xNApprZOxbyJJ/flNIw70Y1/qJzukVU1yuLx1eFWygL f/D+0ogiquU4pxfA/8Se57xjSvIYBueXlLJl9tJEUGK9ZnV0dlkDIgooceOxy+T0Mw JTYyEDc12bxRsT0g/yNaNBPnyS5R3NfMWn/ndB9hIqlTF2geDrlTqCKJAxGa3gWN/r LNAKQQpV6iGI2L5Mr80jdpLTbodEFmlv6kX35kXky3QygIk5JmiNLbVpLnJy2AemBr gEMv1S+KWHbcg== Date: Thu, 12 Sep 2024 08:43:22 -0700 From: Jakub Kicinski To: Sean Anderson Cc: Radhey Shyam Pandey , "David S . Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, Robert Hancock , linux-kernel@vger.kernel.org, Michal Simek , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH net] net: xilinx: axienet: Schedule NAPI in two steps Message-ID: <20240912084322.148d7fb2@kernel.org> In-Reply-To: References: <20240909231904.1322387-1-sean.anderson@linux.dev> <20240910185801.42b7c17f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240912_084325_262563_7A03BE80 X-CRM114-Status: UNSURE ( 6.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 12 Sep 2024 10:23:06 -0400 Sean Anderson wrote: > __napi_schedule_irqoff selects between __napi_schedule and > ____napi_schedule based on whether PREEMPT_RT is enabled. Is there some > other way to force IRQ threading? I think so, IIRC threadirqs= kernel boot option lets you do it. I don't remember all the details now :( LMK if I'm wrong