From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EB5DC43619 for ; Thu, 1 Apr 2021 08:53:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 194F561055 for ; Thu, 1 Apr 2021 08:53:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233838AbhDAIx1 (ORCPT ); Thu, 1 Apr 2021 04:53:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:32879 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233553AbhDAIxE (ORCPT ); Thu, 1 Apr 2021 04:53:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617267183; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Qv1++mqtRS1JMFi8iLLc3Nq2jTvkRmOVcXl/eUz02RE=; b=C/IEu74pw3m31imNXq5tpZ5XM2h+NZAAObVFY8oMOQGiLtWDMs1Htem9a05ofDW0OhBd8B m6+y0Qyj0QeIb3QL9URpVOmti2QSygWF7ZB9AosG6EfF7OhXi/tt03io/LLnMQub9TnhwJ z1QyRG+iMhvDYZH+0dlqEnkdJDmQMN8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-127-tq8GkQeaMISTZAfqN2afSg-1; Thu, 01 Apr 2021 04:53:00 -0400 X-MC-Unique: tq8GkQeaMISTZAfqN2afSg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 547DE18C89C4; Thu, 1 Apr 2021 08:52:58 +0000 (UTC) Received: from laptop.redhat.com (ovpn-112-13.ams2.redhat.com [10.36.112.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id B21655D9CC; Thu, 1 Apr 2021 08:52:55 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, maz@kernel.org, drjones@redhat.com, alexandru.elisei@arm.com Cc: james.morse@arm.com, suzuki.poulose@arm.com, shuah@kernel.org, pbonzini@redhat.com Subject: [PATCH v4 5/8] docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc Date: Thu, 1 Apr 2021 10:52:35 +0200 Message-Id: <20210401085238.477270-6-eric.auger@redhat.com> In-Reply-To: <20210401085238.477270-1-eric.auger@redhat.com> References: <20210401085238.477270-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kvm_arch_vcpu_precreate() returns -EBUSY if the vgic is already initialized. So let's document that KVM_DEV_ARM_VGIC_CTRL_INIT must be called after all vcpu creations. Signed-off-by: Eric Auger --- v1 -> v2: - Must be called after all vcpu creations -> Must be called after all VCPUs have been created as per Alexandru's suggestion --- Documentation/virt/kvm/devices/arm-vgic-v3.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/virt/kvm/devices/arm-vgic-v3.rst b/Documentation/virt/kvm/devices/arm-vgic-v3.rst index 5dd3bff519783..51e5e57625716 100644 --- a/Documentation/virt/kvm/devices/arm-vgic-v3.rst +++ b/Documentation/virt/kvm/devices/arm-vgic-v3.rst @@ -228,7 +228,7 @@ Groups: KVM_DEV_ARM_VGIC_CTRL_INIT request the initialization of the VGIC, no additional parameter in - kvm_device_attr.addr. + kvm_device_attr.addr. Must be called after all VCPUs have been created. KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES save all LPI pending bits into guest RAM pending tables. -- 2.26.3