From patchwork Wed Oct 31 00:59:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andreas_F=C3=A4rber?= X-Patchwork-Id: 195709 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 9CC852C0098 for ; Wed, 31 Oct 2012 13:32:49 +1100 (EST) Received: from localhost ([::1]:36148 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTMgb-00013W-1k for incoming@patchwork.ozlabs.org; Tue, 30 Oct 2012 21:01:37 -0400 Received: from eggs.gnu.org ([208.118.235.92]:60777) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTMfh-0007yq-5u for qemu-devel@nongnu.org; Tue, 30 Oct 2012 21:00:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTMfc-0005JV-MX for qemu-devel@nongnu.org; Tue, 30 Oct 2012 21:00:41 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52385 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTMfc-0005Iw-Bu for qemu-devel@nongnu.org; Tue, 30 Oct 2012 21:00:36 -0400 Received: from relay2.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id F12A4A3CEE; Wed, 31 Oct 2012 02:00:34 +0100 (CET) From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: qemu-devel@nongnu.org Date: Wed, 31 Oct 2012 01:59:46 +0100 Message-Id: <1351645206-3041-16-git-send-email-afaerber@suse.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1351645206-3041-1-git-send-email-afaerber@suse.de> References: <1351645206-3041-1-git-send-email-afaerber@suse.de> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4-2.6 X-Received-From: 195.135.220.15 Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= , anthony@codemonkey.ws Subject: [Qemu-devel] [PATCH 15/35] cpu: Move halt_cond to CPUState X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Andreas Färber --- cpu-defs.h | 1 - cpus.c | 22 ++++++++++++---------- include/qemu/cpu.h | 1 + 3 Dateien geändert, 13 Zeilen hinzugefügt(+), 11 Zeilen entfernt(-) diff --git a/cpu-defs.h b/cpu-defs.h index 83bf108..76c76f6 100644 --- a/cpu-defs.h +++ b/cpu-defs.h @@ -205,7 +205,6 @@ typedef struct CPUWatchpoint { /* user data */ \ void *opaque; \ \ - struct QemuCond *halt_cond; \ struct qemu_work_item *queued_work_first, *queued_work_last; \ const char *cpu_model_str; \ struct KVMState *kvm_state; \ diff --git a/cpus.c b/cpus.c index 45877ee..5a80bfa 100644 --- a/cpus.c +++ b/cpus.c @@ -722,8 +722,10 @@ static void qemu_tcg_wait_io_event(void) static void qemu_kvm_wait_io_event(CPUArchState *env) { + CPUState *cpu = ENV_GET_CPU(env); + while (cpu_thread_is_idle(env)) { - qemu_cond_wait(env->halt_cond, &qemu_global_mutex); + qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex); } qemu_kvm_eat_signals(env); @@ -873,7 +875,7 @@ void qemu_cpu_kick(void *_env) CPUArchState *env = _env; CPUState *cpu = ENV_GET_CPU(env); - qemu_cond_broadcast(env->halt_cond); + qemu_cond_broadcast(cpu->halt_cond); if (!tcg_enabled() && !cpu->thread_kicked) { qemu_cpu_kick_thread(cpu); cpu->thread_kicked = true; @@ -997,9 +999,9 @@ static void qemu_tcg_init_vcpu(void *_env) /* share a single thread for all cpus with TCG */ if (!tcg_cpu_thread) { cpu->thread = g_malloc0(sizeof(QemuThread)); - env->halt_cond = g_malloc0(sizeof(QemuCond)); - qemu_cond_init(env->halt_cond); - tcg_halt_cond = env->halt_cond; + cpu->halt_cond = g_malloc0(sizeof(QemuCond)); + qemu_cond_init(cpu->halt_cond); + tcg_halt_cond = cpu->halt_cond; qemu_thread_create(cpu->thread, qemu_tcg_cpu_thread_fn, env, QEMU_THREAD_JOINABLE); #ifdef _WIN32 @@ -1011,7 +1013,7 @@ static void qemu_tcg_init_vcpu(void *_env) tcg_cpu_thread = cpu->thread; } else { cpu->thread = tcg_cpu_thread; - env->halt_cond = tcg_halt_cond; + cpu->halt_cond = tcg_halt_cond; } } @@ -1020,8 +1022,8 @@ static void qemu_kvm_start_vcpu(CPUArchState *env) CPUState *cpu = ENV_GET_CPU(env); cpu->thread = g_malloc0(sizeof(QemuThread)); - env->halt_cond = g_malloc0(sizeof(QemuCond)); - qemu_cond_init(env->halt_cond); + cpu->halt_cond = g_malloc0(sizeof(QemuCond)); + qemu_cond_init(cpu->halt_cond); qemu_thread_create(cpu->thread, qemu_kvm_cpu_thread_fn, env, QEMU_THREAD_JOINABLE); while (!cpu->created) { @@ -1034,8 +1036,8 @@ static void qemu_dummy_start_vcpu(CPUArchState *env) CPUState *cpu = ENV_GET_CPU(env); cpu->thread = g_malloc0(sizeof(QemuThread)); - env->halt_cond = g_malloc0(sizeof(QemuCond)); - qemu_cond_init(env->halt_cond); + cpu->halt_cond = g_malloc0(sizeof(QemuCond)); + qemu_cond_init(cpu->halt_cond); qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, env, QEMU_THREAD_JOINABLE); while (!cpu->created) { diff --git a/include/qemu/cpu.h b/include/qemu/cpu.h index 4e62032..75e0f8d 100644 --- a/include/qemu/cpu.h +++ b/include/qemu/cpu.h @@ -69,6 +69,7 @@ struct CPUState { #ifdef _WIN32 HANDLE hThread; #endif + struct QemuCond *halt_cond; bool thread_kicked; bool created; bool stop;