From nobody Mon Oct 27 18:01:18 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; 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 1516698541535344.32191993713377; Tue, 23 Jan 2018 01:09:01 -0800 (PST) Received: from localhost ([::1]:46151 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eduZX-0005fp-NT for importer@patchew.org; Tue, 23 Jan 2018 04:08:51 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40651) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eduLh-0001re-H6 for qemu-devel@nongnu.org; Tue, 23 Jan 2018 03:54:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eduLg-000085-Gv for qemu-devel@nongnu.org; Tue, 23 Jan 2018 03:54:33 -0500 Received: from mail.ispras.ru ([83.149.199.45]:57252) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eduLg-00007r-8l for qemu-devel@nongnu.org; Tue, 23 Jan 2018 03:54:32 -0500 Received: from [127.0.1.1] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 532D054006A; Tue, 23 Jan 2018 11:54:31 +0300 (MSK) From: Pavel Dovgalyuk To: qemu-devel@nongnu.org Date: Tue, 23 Jan 2018 11:54:32 +0300 Message-ID: <20180123085432.3419.84711.stgit@pasha-VirtualBox> In-Reply-To: <20180123085319.3419.97865.stgit@pasha-VirtualBox> References: <20180123085319.3419.97865.stgit@pasha-VirtualBox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [RFC PATCH v5 13/24] kvm: remove BQL lock/unlock 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: kwolf@redhat.com, peter.maydell@linaro.org, pavel.dovgaluk@ispras.ru, mst@redhat.com, jasowang@redhat.com, quintela@redhat.com, zuban32s@gmail.com, maria.klimushenkova@ispras.ru, dovgaluk@ispras.ru, kraxel@redhat.com, boost.lists@gmail.com, pbonzini@redhat.com, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 BQL now is used only for waiting for IO events. This patch also removes lock/unlock from kvm module. Signed-off-by: Pavel Dovgalyuk --- accel/kvm/kvm-all.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 9628512..d708c7f 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -1861,7 +1861,6 @@ int kvm_cpu_exec(CPUState *cpu) return EXCP_HLT; } =20 - qemu_mutex_unlock_iothread(); cpu_exec_start(cpu); do { MemTxAttrs attrs; @@ -1992,7 +1991,6 @@ int kvm_cpu_exec(CPUState *cpu) } while (ret =3D=3D 0); =20 cpu_exec_end(cpu); - qemu_mutex_lock_iothread(); =20 if (ret < 0) { cpu_dump_state(cpu, stderr, fprintf, CPU_DUMP_CODE);