From patchwork Tue Dec 1 15:01:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Elisei X-Patchwork-Id: 11943127 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=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 A8EB9C64E7B for ; Tue, 1 Dec 2020 15:02:19 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 4122420758 for ; Tue, 1 Dec 2020 15:02:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Ef67cQO1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4122420758 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type: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:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ji8nvY4lugRBeJjMTXSoFTZMCYzFu036dU8fAJqg7Ys=; b=Ef67cQO1hL+cQaZgc5N/SJ/WKE IJRvMxUa3LhYrzEisP8rurh0UGwKTzh/qSlg/H2td4/S07CCgaG516L1MAG6CQZMGTprLFggJV3Rs Pg15DwEbspLzzFxct4HdiO//TR30yNtKkRBh7N11dShefWixZVQS7dvi5u4WjgW9LlTFDqP7KzIe2 ZKvG7QxmwRDJrzoaMQqQeC9qZ4oxZGcGj1RdrygHQs4dvjgfciIPLXNkDyCEwMPs6wdX493EZwXNJ ysq2yo0da3ygcSpqCej2wRXm28ItQtZPFoedLF88982yruRtQCPMjYpHat4+JltJ71tYHQFaDI2BX GFrJG67g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk79F-0006g7-Jj; Tue, 01 Dec 2020 15:00:57 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk794-0006cb-Oe for linux-arm-kernel@lists.infradead.org; Tue, 01 Dec 2020 15:00:47 +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 4B5E11042; Tue, 1 Dec 2020 07:00:46 -0800 (PST) Received: from monolith.localdoman (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1113A3F575; Tue, 1 Dec 2020 07:00:44 -0800 (PST) From: Alexandru Elisei To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, maz@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com Subject: [PATCH 4/5] KVM: arm64: Update comment in kvm_vgic_map_resources() Date: Tue, 1 Dec 2020 15:01:56 +0000 Message-Id: <20201201150157.223625-5-alexandru.elisei@arm.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201201150157.223625-1-alexandru.elisei@arm.com> References: <20201201150157.223625-1-alexandru.elisei@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201201_100046_938573_EAD03889 X-CRM114-Status: GOOD ( 12.89 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org vgic_v3_map_resources() returns -EBUSY if the VGIC isn't initialized, update the comment to kvm_vgic_map_resources() to match what the function does. Signed-off-by: Alexandru Elisei Reviewed-by: Eric Auger --- arch/arm64/kvm/vgic/vgic-init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c index a2f4d1c85f00..8942b2191bcf 100644 --- a/arch/arm64/kvm/vgic/vgic-init.c +++ b/arch/arm64/kvm/vgic/vgic-init.c @@ -419,7 +419,8 @@ int vgic_lazy_init(struct kvm *kvm) * Map the MMIO regions depending on the VGIC model exposed to the guest * called on the first VCPU run. * Also map the virtual CPU interface into the VM. - * v2/v3 derivatives call vgic_init if not already done. + * v2 calls vgic_init if not already done. + * v3 and derivatives return an error if the VGIC is not initialized. * vgic_ready() returns true if this function has succeeded. * @kvm: kvm struct pointer */