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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 A11B1C433FE for ; Wed, 12 Oct 2022 15:07:14 +0000 (UTC) Received: from localhost ([::1]:41786 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oidKD-0006Ls-Ll for qemu-devel@archiver.kernel.org; Wed, 12 Oct 2022 11:07:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46090) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oictn-0004k1-3d for qemu-devel@nongnu.org; Wed, 12 Oct 2022 10:39:56 -0400 Received: from wout4-smtp.messagingengine.com ([64.147.123.20]:37205) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oictl-0007XW-0W for qemu-devel@nongnu.org; Wed, 12 Oct 2022 10:39:54 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 3D62B320047A; Wed, 12 Oct 2022 10:39:49 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Wed, 12 Oct 2022 10:39:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=irrelevant.dk; h=cc:cc:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1665585588; x=1665671988; bh=Hd lnIuG0Pnt4GxUOmUP2xOwgREFrlo7LWyzRlghirMI=; b=jQocleq9ae4EmLh21l oYbBfRwn2bZ21PyfYXR//FKYbwmntsHarpMSmZLmbFX3a3o0swkQo6Ixwo6iOQ7L W9L6UMt4V9f7FeQgX3squGUuiR1DiC7jDqJaaKfkHnXfmCvErQ2MHInrfNZrQqD+ cCD0C7J85/wlefF/VhCiNORLy0tCjfsdoymhtjda4i+WRc0P5AlBSMhNg0kmpm1R /Amd0+5KlPIVb2qDoQVXdO8Vad9ADandljurvwbjsFCyDKVb9n8lHALBAZKjkfXc vKd2dJVsJnnCvqD4xzQV7KWhNnBoVzNF7b6CafChAKTGGQZn9tyd4nMQLKdJcK6F EJxQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; t=1665585588; x=1665671988; bh=HdlnIuG0Pnt4GxUOmUP2xOwgREFr lo7LWyzRlghirMI=; b=i0Yj4vEGz02+lAEkbc2hr0pfPrh3O3YXn8Oci8KEf9HA JW00Ro8OqzSSIe8/2dytBpAJx8msUkni7ktSWlkrb+KqGAflSlALDcsW7chbCswa WDB3ZMM3sJi5JbpMqTi22CPO8o5EJAsehRMYnkCGydGdEwp1g0nMLPZ/bes8ldrc qaywefJ9T1WESD5HkvZcyOiGGf6HYnp4DYTxdNTLTKIrNZgEzjTPyxMY88d0LJ1B RPOuXUUPPZKBSVV6jv4Q+F1V2V9HPfARUHdCC9HrCRMXTwbj8xK2i8Zg7oWJrAUY 15LpmxKUo+qeaqR0kIlcTGIpo62+IFiTzKM2Xcjy+A== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeejkedgjeelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvfevuffkfhggtggujgesghdtreertddtjeenucfhrhhomhepmfhlrghu shculfgvnhhsvghnuceoihhtshesihhrrhgvlhgvvhgrnhhtrdgukheqnecuggftrfgrth htvghrnhepjefgjeefffdvuefhieefhffggfeuleehudekveejvedtuddugeeigeetffff jeevnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepih htshesihhrrhgvlhgvvhgrnhhtrdgukh X-ME-Proxy: Feedback-ID: idc91472f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 12 Oct 2022 10:39:46 -0400 (EDT) Date: Wed, 12 Oct 2022 16:39:44 +0200 From: Klaus Jensen To: Stefan Hajnoczi Cc: Jinhao Fan , qemu-devel@nongnu.org, kbusch@kernel.org Subject: Re: [PATCH 0/3] iothread and irqfd support Message-ID: References: <20220826111834.3014912-1-fanjinhao21s@ict.ac.cn> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="89d/YDLuDqRdWwVL" Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=64.147.123.20; envelope-from=its@irrelevant.dk; helo=wout4-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --89d/YDLuDqRdWwVL Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Okt 12 10:28, Stefan Hajnoczi wrote: > On Fri, 26 Aug 2022 at 07:18, Jinhao Fan wrote: > > > > This patch series adds support for using a seperate iothread for NVMe > > IO emulation, which brings the potential of applying polling. The > > first two patches implements support for irqfd, which solves thread > > safety problems for interrupt emulation outside the main loop thread. > > > > Jinhao Fan (3): > > hw/nvme: support irq(de)assertion with eventfd > > hw/nvme: use KVM irqfd when available > > hw/nvme: add iothread support >=20 > Hi, > What is the status of this series? >=20 I have been meaning to pick it up, but I got side-tracked. The polling performance drop needs to be address as we discussed offline. But the v4 looks pretty good and I can pick that up without the polling support for now. --89d/YDLuDqRdWwVL Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEUigzqnXi3OaiR2bATeGvMW1PDekFAmNG0a8ACgkQTeGvMW1P DenKEAgAhJIRRzfvZhhVbk+UJHbR7igMzuq9KMyuavl0oyOeJdxcBdASUI0rcwZm +44U006R1HEuUezbbPXbRxOG3Yx1jH0kJ83PZSlxzMcVO8X8LCrGA3i4twd+QfLo 5+DA6ExgLtkBuCbDFrQPtLBfW9WxWkIBOsWjjkUKmvWrbN7IuZM16wKhf9j4F1eZ mRoFLCUP9RI+hQKcojG6YZmpD/KajyyRCSDF7k1bV/7HPAomSlJTUbEulQ6tHryC rq+XvktABZwK866GnYSpGyQCFozRU2oCRiuaLkX1RoLJAT1Au5qmOUAKF6uWbeFb AQyu3WpWX+1/FsdpjUH9/ZO8ist8yw== =Yu9u -----END PGP SIGNATURE----- --89d/YDLuDqRdWwVL--