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=-16.0 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 A62FEC433E9 for ; Fri, 12 Mar 2021 17:33:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6FBC0600CC for ; Fri, 12 Mar 2021 17:33:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233089AbhCLRdM (ORCPT ); Fri, 12 Mar 2021 12:33:12 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:33230 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232973AbhCLRcs (ORCPT ); Fri, 12 Mar 2021 12:32:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615570367; 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=0uKBYh1tSc08YlThe5x4w/3MJ8XTaEMc9L9bVozy6w0=; b=R51YcUDf3PbrBmn9dqXoGj6b6vGsFkNkv6YZRUlkYBaVtG3y4oyIlXEh3VQqpPV+puufDO rny0wufoR2Dy0MZblaUX9lNC8jgIoL8VqEf7lDlCHLhs28vpxI+kcFO7VWqYCSlX2UuquU W52PkdGMuxcWyDI9JUF4/EViPWNG0ZY= 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-505-e4DdS6LpMvKnHEPfN2M5vA-1; Fri, 12 Mar 2021 12:32:45 -0500 X-MC-Unique: e4DdS6LpMvKnHEPfN2M5vA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A791893920; Fri, 12 Mar 2021 17:32:43 +0000 (UTC) Received: from laptop.redhat.com (ovpn-112-254.ams2.redhat.com [10.36.112.254]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7EF491002388; Fri, 12 Mar 2021 17:32:39 +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, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, shuah@kernel.org, pbonzini@redhat.com Subject: [PATCH v3 5/8] docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc Date: Fri, 12 Mar 2021 18:31:59 +0100 Message-Id: <20210312173202.89576-6-eric.auger@redhat.com> In-Reply-To: <20210312173202.89576-1-eric.auger@redhat.com> References: <20210312173202.89576-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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 5dd3bff51978..51e5e5762571 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. -- 2.26.2