From patchwork Thu Jul 2 13:17:17 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 6709251 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A328C9FBF9 for ; Thu, 2 Jul 2015 13:21:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9A9BA2065A for ; Thu, 2 Jul 2015 13:21:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F2468206E0 for ; Thu, 2 Jul 2015 13:21:24 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZAeOg-0005ew-85; Thu, 02 Jul 2015 13:19:22 +0000 Received: from mail-wi0-f170.google.com ([209.85.212.170]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZAeNq-0004Jx-M4 for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2015 13:18:31 +0000 Received: by wibdq8 with SMTP id dq8so73411116wib.1 for ; Thu, 02 Jul 2015 06:18:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=mcwa7Te7grQ+Q89KsiYEiY0/FAto3l7xyaEEHebLXQ0=; b=AeRPPkHmbjrslu45v5eLGF0RKhnfJupRAcoi02mnyL3d0sXlZsRj0tzEoj2fhUqtS2 0n29fBH12kOub7LQxquvLNCOQA/zQ+2bhBuCyyqRHMxGs4G2C4r2C/7ynJGhz/vTgX93 GCu3eVH2DKR4fPxwGPpVhmb66rFSSSaTPX+j2YsaMrBHjGS0urQw0rp/lV6ptnnIl/Q8 nsvta8u1baOSsjZyc7GakaApVrfFnAAms8dVN+RkFcT++WYVqqSn6l3x3smAr1lOXkhS LymYBAm9iyJ52F/TtQ+oy4MJqyszi6KPyg7ytuIcaBv08w85oM7bYg4hWEu6Ai0lfLjR 6u1g== X-Gm-Message-State: ALoCoQlATeBR1ni2jZUJKvPslxcYAc1FwHGT5rnpsqLzlAHKpdyy+BGrlGy9m/5rVfEw77ZBnlqN X-Received: by 10.194.200.73 with SMTP id jq9mr10872707wjc.52.1435843088993; Thu, 02 Jul 2015 06:18:08 -0700 (PDT) Received: from gnx2579.home (LCaen-156-56-7-90.w80-11.abo.wanadoo.fr. [80.11.198.90]) by mx.google.com with ESMTPSA id tl3sm8157099wjc.20.2015.07.02.06.18.07 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Jul 2015 06:18:08 -0700 (PDT) From: Eric Auger To: eric.auger@st.com, eric.auger@linaro.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, alex.williamson@redhat.com, pbonzini@redhat.com, avi.kivity@gmail.com, mtosatti@redhat.com, feng.wu@intel.com, joro@8bytes.org, b.reynal@virtualopensystems.com Subject: [RFC 07/17] KVM: arm: rename pause into power_off Date: Thu, 2 Jul 2015 15:17:17 +0200 Message-Id: <1435843047-6327-8-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1435843047-6327-1-git-send-email-eric.auger@linaro.org> References: <1435843047-6327-1-git-send-email-eric.auger@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150702_061830_872635_F076E413 X-CRM114-Status: GOOD ( 17.51 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, patches@linaro.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The kvm_vcpu_arch pause field is renamed into power_off to prepare for the introduction of a new pause field. Signed-off-by: Eric Auger v4 -> v5: - fix compilation issue on arm64 (add power_off field in kvm_host.h) --- arch/arm/include/asm/kvm_host.h | 4 ++-- arch/arm/kvm/arm.c | 10 +++++----- arch/arm/kvm/psci.c | 10 +++++----- arch/arm64/include/asm/kvm_host.h | 4 ++-- 4 files changed, 14 insertions(+), 14 deletions(-) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index e896d2c..304004d 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -129,8 +129,8 @@ struct kvm_vcpu_arch { * here. */ - /* Don't run the guest on this vcpu */ - bool pause; + /* vcpu power-off state */ + bool power_off; /* IO related fields */ struct kvm_decode mmio_decode; diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index bcdf799..7537e68 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -475,7 +475,7 @@ static void vcpu_pause(struct kvm_vcpu *vcpu) { wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu); - wait_event_interruptible(*wq, !vcpu->arch.pause); + wait_event_interruptible(*wq, !vcpu->arch.power_off); } static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu) @@ -525,7 +525,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) update_vttbr(vcpu->kvm); - if (vcpu->arch.pause) + if (vcpu->arch.power_off) vcpu_pause(vcpu); /* @@ -766,12 +766,12 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu, vcpu_reset_hcr(vcpu); /* - * Handle the "start in power-off" case by marking the VCPU as paused. + * Handle the "start in power-off" case. */ if (test_bit(KVM_ARM_VCPU_POWER_OFF, vcpu->arch.features)) - vcpu->arch.pause = true; + vcpu->arch.power_off = true; else - vcpu->arch.pause = false; + vcpu->arch.power_off = false; return 0; } diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c index 4b94b51..134971a 100644 --- a/arch/arm/kvm/psci.c +++ b/arch/arm/kvm/psci.c @@ -63,7 +63,7 @@ static unsigned long kvm_psci_vcpu_suspend(struct kvm_vcpu *vcpu) static void kvm_psci_vcpu_off(struct kvm_vcpu *vcpu) { - vcpu->arch.pause = true; + vcpu->arch.power_off = true; } static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) @@ -87,7 +87,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) */ if (!vcpu) return PSCI_RET_INVALID_PARAMS; - if (!vcpu->arch.pause) { + if (!vcpu->arch.power_off) { if (kvm_psci_version(source_vcpu) != KVM_ARM_PSCI_0_1) return PSCI_RET_ALREADY_ON; else @@ -115,7 +115,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) * the general puspose registers are undefined upon CPU_ON. */ *vcpu_reg(vcpu, 0) = context_id; - vcpu->arch.pause = false; + vcpu->arch.power_off = false; smp_mb(); /* Make sure the above is visible */ wq = kvm_arch_vcpu_wq(vcpu); @@ -152,7 +152,7 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu) kvm_for_each_vcpu(i, tmp, kvm) { mpidr = kvm_vcpu_get_mpidr_aff(tmp); if (((mpidr & target_affinity_mask) == target_affinity) && - !tmp->arch.pause) { + !tmp->arch.power_off) { return PSCI_0_2_AFFINITY_LEVEL_ON; } } @@ -175,7 +175,7 @@ static void kvm_prepare_system_event(struct kvm_vcpu *vcpu, u32 type) * re-initialized. */ kvm_for_each_vcpu(i, tmp, vcpu->kvm) { - tmp->arch.pause = true; + tmp->arch.power_off = true; kvm_vcpu_kick(tmp); } diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 2709db2..009da6b 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -122,8 +122,8 @@ struct kvm_vcpu_arch { * here. */ - /* Don't run the guest */ - bool pause; + /* vcpu power-off state */ + bool power_off; /* IO related fields */ struct kvm_decode mmio_decode;