From patchwork Fri Dec 20 14:30:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 11305701 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DA327138D for ; Fri, 20 Dec 2019 14:47:32 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AF24524689 for ; Fri, 20 Dec 2019 14:47:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KePET5o3"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rfGndGrc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF24524689 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=da9ZXjEqceccA2KPxzl50VvHsn6vVMfyhbABM67YbwI=; b=KePET5o3Sd3KUz jNPBSZbtEexAQMUPEaiI2wCBKxhM9WXp8Dkb/o0S/dXlth8yizPrkc4oxJO5wQuWmd1Nv7XnQ9w5+ Yk2+CGSwvqyOrfvKaFSdOFYN/BAv32ErFWx9OQ3sezYb0D+xteyqSOAz/0UNvHjeuDUJulGULnHVA lhD9f2mMNK9b3F8QGLIHYqSQLUXzBt3KaQwE2fkrio9HyXlkeFshOGJVMCUBwXoMvZpooI05aTj3c 7JctTN5ERZV+UfYtAP+Gzt2eHEqMJ9aiIQLaYsuLQUN9U0XbVVYZ/Hx0mKt01HqzC22sCqev0+80n nOcaoI3NOWQYyB/DRYtQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiJYx-00046R-Dg; Fri, 20 Dec 2019 14:47:31 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiJYn-0003T8-8h for linux-arm-kernel@bombadil.infradead.org; Fri, 20 Dec 2019 14:47:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=kgh0fpJN8zKbUfowIDGlZY6dkhtNrSfbImWSOLy+PYI=; b=rfGndGrcPQQvt4VfeOpNw6CRaG MIs2BgFJoPNBp/V2CoFo/OqMrOoJdLtoG3jm41qKcr/CodYkVuZD8Z2Dlk00q3pKVvMDl+oDoxpo6 Szp0RIK0ywCE69+3wHfzEs6jIr+npxb+xBvd4aEfEfFcFWYJ8OlZOV00bA2pyhxljCmTVsv6XFA1L UH8F4meyKkCn+UV7s7WcLHpvivm9twZS18nYefkeKTeb7xmn417OCYt35xTLOSx7BwH9a2YG4epwK ex5p74W4MNtYzSlZ5TZaVfvGgItuva5s3+1CbCksi6hchHQ+WSxNFscwlnqP9DSUVDprcKBObb4CV yQQ8xn6w==; Received: from foss.arm.com ([217.140.110.172]) by casper.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iiJJY-0002zw-N6 for linux-arm-kernel@lists.infradead.org; Fri, 20 Dec 2019 14:31:38 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5FC1811B3; Fri, 20 Dec 2019 06:31:07 -0800 (PST) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.20]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 87C853F86C; Fri, 20 Dec 2019 06:31:05 -0800 (PST) From: Andrew Murray To: Marc Zyngier , Catalin Marinas , Will Deacon Subject: [PATCH v2 16/18] KVM: arm64: enable SPE support Date: Fri, 20 Dec 2019 14:30:23 +0000 Message-Id: <20191220143025.33853-17-andrew.murray@arm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191220143025.33853-1-andrew.murray@arm.com> References: <20191220143025.33853-1-andrew.murray@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191220_143136_865672_F7475CA0 X-CRM114-Status: UNSURE ( 8.57 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on casper.infradead.org summary: Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Sudeep Holla , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Sudeep Holla We have all the bits and pieces to enable SPE for guest in place, so lets enable it. Signed-off-by: Sudeep Holla Signed-off-by: Andrew Murray --- virt/kvm/arm/arm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index a66085c8e785..fb3ad0835255 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -611,6 +611,10 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) return ret; ret = kvm_arm_pmu_v3_enable(vcpu); + if (ret) + return ret; + + ret = kvm_arm_spe_v1_enable(vcpu); return ret; }