From patchwork Thu Sep 16 15:29:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 512945 Delivered-To: patch@linaro.org Received: by 2002:a02:c816:0:0:0:0:0 with SMTP id p22csp1328129jao; Thu, 16 Sep 2021 08:37:45 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzyNlqIxAdHwhY6DvBS0u4j+rtfhhSREnOQpu6oKA+le2Ss69Qvzx0X25m3sT1CjVQ76RjF X-Received: by 2002:a05:6130:325:: with SMTP id ay37mr591836uab.88.1631806665645; Thu, 16 Sep 2021 08:37:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631806665; cv=none; d=google.com; s=arc-20160816; b=nS+kXUuJm1wmt7V5/pAigeJ5kMq1b2RMF3/ZIOvNxlw95kqycRpjzJtxg5UvArva9W fuxxbjugc17OfA3uHS7YL/mIrrvIJhUfUAgn0W91BWJwGu8TA0VTDZKGpxs0ZSRkymeT KCodLRs+VWbvIYdNARapBWCdzVhsHw8Xbevafl8n0QyDoe32wIJFIueMzmjq/UHqvP5h xr7zos+AsR8vTudgV2dbmtdkrjVg9/K8VIgpSmCBO9V/ngjgh3eUQN7TFsQIxcHZ9N/7 MQmQze+V/+2ObsCFB8RyltcsFPacYUoq2oFnPW5a5G3MefacvxjA30nVAxAjCoArv49+ BmHg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=OAb8lar0gsn2p9u8wn1vUp6jj9gu5rLadFKsG/mZhGI=; b=FfQxFfSF0Z+2dN5w2dWoluZY3r97dJwxyV6GESr0D24LcNmo8Ky8T0F33XEVRdpyi8 oA94EKAz+saP6CNHnMpIHuR51SJe8UQTwbooZZysBdbIuCPz+/vPqvpNjVEWB3sf+2Sw LE7hq+0tR72QbmzChLdoSx1KOlmVQydMx9lj7rTafpOPP1w0oD5MeCKHnEd894iMIs1E 3BSKiMpfk4ikigvnQf1HcVWWt4+wUfgMedeImT/73LGr97i2bdl78BFTWga+b924eh9N oYFMuFe8V9HR3ryD9bYpMMhc2bf0YZdtNOPWV4MfVuW+l0cCd2U3A5YoaJ8HFaJViuK1 Zihg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=iCf6s4eR; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id l14si1590567uar.158.2021.09.16.08.37.45 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 Sep 2021 08:37:45 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=iCf6s4eR; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:48380 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQtSL-0002nW-3u for patch@linaro.org; Thu, 16 Sep 2021 11:37:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40850) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQtLQ-0001F0-C6 for qemu-devel@nongnu.org; Thu, 16 Sep 2021 11:30:36 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]:41830) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mQtLM-0002PL-N3 for qemu-devel@nongnu.org; Thu, 16 Sep 2021 11:30:36 -0400 Received: by mail-pl1-x62f.google.com with SMTP id v2so4089174plp.8 for ; Thu, 16 Sep 2021 08:30:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OAb8lar0gsn2p9u8wn1vUp6jj9gu5rLadFKsG/mZhGI=; b=iCf6s4eRJxBD75pQDp5vtzub8JQjh60bfdnsaGVpJK7PcJdEUQTLvFi/DRrqeCJEil gS61h9B+cCwm+NPCf/XAo6Tw1dU8Hph2STqVGRWJIAckocH7YhUUE5xovXgwi4KHY6s0 rgVBDUUZqErL+Ep1Drji3w52L53FGhnjjJgqHvxqaMJo802wYypk97n+ck6ChhnujcmD cXzt8/n+ifZokIvO5cjXgdJCUhb0nruc6gLMNegT/3+nc6ooAvvlClTgsKH8PE7Wkgkl 1qHeJkpiKpuw4YzU8XXr4SW9vOzm4NqvFAl54ruFQQfiMmykOYpW1iBR9l4bQTRx9pnl d8xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OAb8lar0gsn2p9u8wn1vUp6jj9gu5rLadFKsG/mZhGI=; b=CzGo15JYpzbQvQQ7EXdgbWjHKXAQJpTFIwWGMO4+uoQuv+M3y5wNdjuelm4MvKTdu7 OqgSnQUnBAIiXqANhKdGyKr+bZGfMJ502xVElbhkb1d+b61lFwc7yKkMRgsRwypXi0Pp YhtXrM8AaUuT4yJbfJ6o7vTNSRTLvJyP+QGye0wppMQLRfuLQF1EYGYSkfeNsSnYN39g rZNH6sDYG6X9alRlTiMxjNDEV7gMicDEkZUlcBejmfzh+AUYaQjjNgz/M6R2GDvmxOjw D/28x4Yoj2nNjuIgsrdYe4wLHy1Pcxiaftdzic6Mg7S40gDq40WHAVA3+riREuiT02JY G3KQ== X-Gm-Message-State: AOAM531leo+zbGwVGTtk5rtLJ9NXx2ASab5TK6msR44Si/u5Zqx7X5iS XtBM+sW39k50ezYnde/q7TEkLUwTHrM96Q== X-Received: by 2002:a17:90a:1950:: with SMTP id 16mr6530482pjh.126.1631806230214; Thu, 16 Sep 2021 08:30:30 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id b7sm3779447pgs.64.2021.09.16.08.30.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Sep 2021 08:30:29 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 06/35] accel/kvm: Implement AccelOpsClass::has_work() Date: Thu, 16 Sep 2021 08:29:56 -0700 Message-Id: <20210916153025.1944763-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210916153025.1944763-1-richard.henderson@linaro.org> References: <20210916153025.1944763-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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, 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-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: peter.maydell@linaro.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Philippe Mathieu-Daudé Implement KVM has_work() handler in AccelOpsClass and remove it from cpu_thread_is_idle() since cpu_has_work() is already called. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20210912172731.789788-6-f4bug@amsat.org> Signed-off-by: Richard Henderson --- accel/kvm/kvm-accel-ops.c | 6 ++++++ softmmu/cpus.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) -- 2.25.1 diff --git a/accel/kvm/kvm-accel-ops.c b/accel/kvm/kvm-accel-ops.c index 7516c67a3f..6f4d5df3a0 100644 --- a/accel/kvm/kvm-accel-ops.c +++ b/accel/kvm/kvm-accel-ops.c @@ -74,6 +74,11 @@ static void kvm_start_vcpu_thread(CPUState *cpu) cpu, QEMU_THREAD_JOINABLE); } +static bool kvm_cpu_has_work(CPUState *cpu) +{ + return kvm_halt_in_kernel(); +} + static void kvm_accel_ops_class_init(ObjectClass *oc, void *data) { AccelOpsClass *ops = ACCEL_OPS_CLASS(oc); @@ -83,6 +88,7 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, void *data) ops->synchronize_post_init = kvm_cpu_synchronize_post_init; ops->synchronize_state = kvm_cpu_synchronize_state; ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm; + ops->has_work = kvm_cpu_has_work; } static const TypeInfo kvm_accel_ops_type = { diff --git a/softmmu/cpus.c b/softmmu/cpus.c index 2a61dfd628..3db7bd4eb4 100644 --- a/softmmu/cpus.c +++ b/softmmu/cpus.c @@ -90,7 +90,7 @@ bool cpu_thread_is_idle(CPUState *cpu) return true; } if (!cpu->halted || cpu_has_work(cpu) || - kvm_halt_in_kernel() || whpx_apic_in_platform()) { + whpx_apic_in_platform()) { return false; } return true;