From nobody Mon Feb 9 10:11:56 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1646249317005815.4991704871388; Wed, 2 Mar 2022 11:28:37 -0800 (PST) Received: from localhost ([::1]:45868 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nPUeF-0008B7-Q3 for importer@patchew.org; Wed, 02 Mar 2022 14:28:31 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49444) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPUX5-0000Cb-2H for qemu-devel@nongnu.org; Wed, 02 Mar 2022 14:21:07 -0500 Received: from prt-mail.chinatelecom.cn ([42.123.76.222]:45558 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nPUX2-0002E2-VF for qemu-devel@nongnu.org; Wed, 02 Mar 2022 14:21:06 -0500 Received: from clientip-171.223.99.98 (unknown [172.18.0.188]) by chinatelecom.cn (HERMES) with SMTP id 66648280029; Thu, 3 Mar 2022 03:21:00 +0800 (CST) Received: from ([172.18.0.188]) by app0023 with ESMTP id d7cda6c2f8224254ac95590608648d06 for qemu-devel@nongnu.org; Thu, 03 Mar 2022 03:21:03 CST HMM_SOURCE_IP: 172.18.0.188:52786.2076619004 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP X-189-SAVE-TO-SEND: +huangy81@chinatelecom.cn X-Transaction-ID: d7cda6c2f8224254ac95590608648d06 X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.188 X-MEDUSA-Status: 0 From: huangy81@chinatelecom.cn To: qemu-devel Subject: [PATCH v18 5/7] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function Date: Thu, 3 Mar 2022 03:20:23 +0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=42.123.76.222; envelope-from=huangy81@chinatelecom.cn; helo=chinatelecom.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: Eduardo Habkost , David Hildenbrand , Hyman , Juan Quintela , Richard Henderson , Markus ArmBruster , Peter Xu , "Dr. David Alan Gilbert" , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1646249319906100001 From: Hyman Huang(=E9=BB=84=E5=8B=87) Introduce kvm_dirty_ring_size util function to help calculate dirty ring ful time. Signed-off-by: Hyman Huang(=E9=BB=84=E5=8B=87) Acked-by: Peter Xu --- accel/kvm/kvm-all.c | 5 +++++ accel/stubs/kvm-stub.c | 5 +++++ include/sysemu/kvm.h | 2 ++ 3 files changed, 12 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 7b06b8a..8821d80 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2312,6 +2312,11 @@ bool kvm_dirty_ring_enabled(void) return kvm_state->kvm_dirty_ring_size ? true : false; } =20 +uint32_t kvm_dirty_ring_size(void) +{ + return kvm_state->kvm_dirty_ring_size; +} + static int kvm_init(MachineState *ms) { MachineClass *mc =3D MACHINE_GET_CLASS(ms); diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c index 5319573..1128cb2 100644 --- a/accel/stubs/kvm-stub.c +++ b/accel/stubs/kvm-stub.c @@ -152,4 +152,9 @@ bool kvm_dirty_ring_enabled(void) { return false; } + +uint32_t kvm_dirty_ring_size(void) +{ + return 0; +} #endif diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 6eb39a0..bc3f0b5 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -563,4 +563,6 @@ bool kvm_cpu_check_are_resettable(void); bool kvm_arch_cpu_check_are_resettable(void); =20 bool kvm_dirty_ring_enabled(void); + +uint32_t kvm_dirty_ring_size(void); #endif --=20 1.8.3.1