From nobody Sun Feb 8 16:05:17 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1619442885; cv=none; d=zohomail.com; s=zohoarc; b=f1PChi+IuTT9oEYWHzrJMIoYU8GjfwrkeUCatn59iKR2LVdMPoG0jTbZ7sLjDbSk9NvpRcAtNDjP9yCp+u/3c/+Gkvq3FpLDe471NlTiwdyrOczVLA3NyYOo5I6VOCCtYqhcL8IkxMXlOkt31yrrojAdeDlZ8HrKu9WmSuYMUAU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1619442885; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=KilglWAaPsdiXcjfzKmnwxnFdqjFFALhZp4O9A7RhRQ=; b=RnC9hSSZ4c8hXUhkhPFeAkzn1eB0Lk5YmhfO3m5kr5ul8mQfUoBGt477at14Zz2UQoiEq4Sa3nZVvidOjSyjRtBxfGlQZR5eNE3IAyhNwU1a0EwnMXo7yX7xxKZhLewOQLR746SEUVt2Eq0x0O1QDy5xnS5ieyWZbP0TXZikKfI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1619442885276163.77047543010258; Mon, 26 Apr 2021 06:14:45 -0700 (PDT) Received: from localhost ([::1]:47514 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lb14W-0005j2-J7 for importer@patchew.org; Mon, 26 Apr 2021 09:14:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55074) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lau3p-0000JM-NR for qemu-devel@nongnu.org; Mon, 26 Apr 2021 01:45:34 -0400 Received: from mail-wr1-x42c.google.com ([2a00:1450:4864:20::42c]:35562) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lau3n-0006IC-WE for qemu-devel@nongnu.org; Mon, 26 Apr 2021 01:45:33 -0400 Received: by mail-wr1-x42c.google.com with SMTP id a4so54411054wrr.2 for ; Sun, 25 Apr 2021 22:45:31 -0700 (PDT) Received: from ubuntu.localdomain (host-92-0-155-74.as13285.net. [92.0.155.74]) by smtp.gmail.com with ESMTPSA id c5sm12100641wrs.73.2021.04.25.22.45.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 22:45:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KilglWAaPsdiXcjfzKmnwxnFdqjFFALhZp4O9A7RhRQ=; b=dM3XXbqcn+Om8q7lzLnZLfCMcUqA9QaYPEaXxW0dYookVoYhfl8YCe3QPd260d6aYt W2PmzrQsUHZJ4YINKo/Jw/AXSuIVC2R/+PxaoatJtQIXPsEAVOHvasya/0lRD586H66L KN/GJG7tDpoUltfwHzx+ryLDThaeuFI9a9lfspx3ob3LdB+xMOsydm1DOk3IEMpNLpZ6 KDF5gce+LVERwcw9Y2uMj1uSGII6LcUBPPFR2sQVrWsYN+rAHlYnoPR+pq+DOaf9osgq U5g0CCnPeNBYtWazbMJqaEm38qf6MkodEO1ZuK544ovoFbon+vli3G2NYSlgidYYh0Ok G/tA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KilglWAaPsdiXcjfzKmnwxnFdqjFFALhZp4O9A7RhRQ=; b=o0/+mUeTDkPYwvalLEcn2B83/ZzODvPuZJ8aP5kzPSDphHEqmDTHKOOMY0J1qNmKtm JXvL7oChjT3FxgRvetpBet3tvqKkH64h5jE3B+WJZzzlFbjK9hBg3iR8dE4AlzcoP9Fi xra8jHjZTNeyPM9HB0cCmbUQxtlLCSs19BiqjiCZZ/bpIDBJq0iub9Trc1B2ZNi4QJwp IaTEZPYFJERXWR51rRm3WGUOZjo90MJhq1pcuMYfrfjbJmeHsktA92htRgOuyrFsc4Le KVVTqHvpEE/TVUvZ2pO19cRfhAV5hRlhiMeZSD7DkC8oX/AdeX5OT8cHGTIHPPTucs0j DuLQ== X-Gm-Message-State: AOAM533qp3PI/mq+S+R3Vsm0i99UDiXwiTa+0HXaT8ReAYqWWEeqSFF5 vvlad+1zqR3HFCfN9eai2jiwqOOoNjMqqVUe X-Google-Smtp-Source: ABdhPJxxh2ULLfm9aI0stlqhEBK8JG/v6feNXXvbACGuwPTsdDs3ulj/WavJd+OEopcjGTySc6pLcQ== X-Received: by 2002:adf:f308:: with SMTP id i8mr20649329wro.209.1619415930824; Sun, 25 Apr 2021 22:45:30 -0700 (PDT) From: Edge NFV To: qemu-devel@nongnu.org Subject: [PATCH] make vfio and DAX cache work together by skipping virtio fs cache section during vfio memory region add Date: Sun, 25 Apr 2021 22:45:13 -0700 Message-Id: <20210426054513.132980-2-edgenfv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210426054513.132980-1-edgenfv@gmail.com> References: <20210426054513.132980-1-edgenfv@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=edgenfv@gmail.com; helo=mail-wr1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 26 Apr 2021 09:08:52 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgenfv@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Type: text/plain; charset="utf-8" Signed-off-by: Edge NFV --- hw/vfio/common.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index ae5654fcdb..83e15bf7a3 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -668,6 +668,15 @@ static void vfio_listener_region_add(MemoryListener *l= istener, int128_get64(int128_sub(section->size, int128_one()))); return; } + =20 + /* Do not add virtio fs cache section */ =20 + if (!strcmp(memory_region_name(section->mr), "virtio-fs-cache")) { + trace_vfio_listener_region_add_skip( + section->offset_within_address_space, + section->offset_within_address_space + + int128_get64(int128_sub(section->size, int128_one()))); + return; + } =20 =20 if (unlikely((section->offset_within_address_space & ~qemu_real_host_page_mask) !=3D --=20 2.25.1