From nobody Wed Nov 5 20:15:31 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1536768470005726.4552206564412; Wed, 12 Sep 2018 09:07:50 -0700 (PDT) Received: from localhost ([::1]:37026 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07gC-0002qm-MF for importer@patchew.org; Wed, 12 Sep 2018 12:07:48 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60699) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07ab-000776-Tq for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:02:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g07aZ-0003i4-35 for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:02:01 -0400 Received: from m12-15.163.com ([220.181.12.15]:53512) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07aY-0003fw-Dj for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:59 -0400 Received: from ubuntu.localdomain (unknown [36.27.41.0]) by smtp11 (Coremail) with SMTP id D8CowADHy0FjOJlbpTj+Gw--.61042S10; Thu, 13 Sep 2018 00:01:55 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=uwPtGbIY2XrUUK5nq3 2F2HU0Q4r6LPVju8Nlka+KUyk=; b=caYY0CbQZw2GvBcxAhRcm3RkW4k8TZqmZo dBx8PXgqak8kDv2ZL0055SYSxosSByp96ZphOys6OpKR2r4nCj457RJv0Wm4Z7wA pa/1y2Wu7Dm0p5FP+fYSpEgXak0iPCWOsZACqOOkBQtT7UIlfbzAb81ftT14uv+u KPnGP6q+M= From: Li Qiang To: pbonzini@redhat.com, lersek@redhat.com, marcandre.lureau@gmail.com, ehabkost@redhat.com, mst@redhat.com, peter.maydell@linaro.org, ppandit@redhat.com Date: Wed, 12 Sep 2018 09:01:18 -0700 Message-Id: <20180912160118.21158-9-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180912160118.21158-1-liq3ea@163.com> References: <20180912160118.21158-1-liq3ea@163.com> X-CM-TRANSID: D8CowADHy0FjOJlbpTj+Gw--.61042S10 X-Coremail-Antispam: 1Uf129KBjvdXoWrKFyfCr1ruFy3Kw1ruFW5GFg_yoWkGwb_GF 4rGw48Z34DCas0vFWFyr1xZr1kKan5uFWj934xtwn7AFWrG3Wkuw4xZFsxGr1fXa1kGFyf Cr15uF4akF1IgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnrsqPUUUUU== X-Originating-IP: [36.27.41.0] X-CM-SenderInfo: 5oltjvrd6rljoofrz/xtbBZhO-bVaDyLg-RgAAs7 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.15 Subject: [Qemu-devel] [PATCH 8/8] exec: add read callback for notdirty memory region X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Qiang , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Li Qiang Signed-off-by: Li Qiang --- exec.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/exec.c b/exec.c index 6826c8337d..3cd5ad2cae 100644 --- a/exec.c +++ b/exec.c @@ -2681,6 +2681,11 @@ void memory_notdirty_write_complete(NotDirtyInfo *nd= i) } } =20 +static uint64_t notdirty_mem_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0; +} + /* Called within RCU critical section. */ static void notdirty_mem_write(void *opaque, hwaddr ram_addr, uint64_t val, unsigned size) @@ -2702,6 +2707,7 @@ static bool notdirty_mem_accepts(void *opaque, hwaddr= addr, } =20 static const MemoryRegionOps notdirty_mem_ops =3D { + .read =3D notdirty_mem_read, .write =3D notdirty_mem_write, .valid.accepts =3D notdirty_mem_accepts, .endianness =3D DEVICE_NATIVE_ENDIAN, @@ -2965,6 +2971,7 @@ static uint16_t dummy_section(PhysPageMap *map, FlatV= iew *fv, MemoryRegion *mr) return phys_section_add(map, §ion); } =20 + static void readonly_mem_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { --=20 2.17.1