From patchwork Thu Sep 3 15:26:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11754193 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 0F9C9109B for ; Thu, 3 Sep 2020 15:56:18 +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 D746F2072A for ; Thu, 3 Sep 2020 15:56:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WpgmJr87"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="HMS0YyIG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D746F2072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=merlin.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=lh7F+haHwAikkKvz9HI0l76CShT3zgvhZaASqavPkDY=; b=WpgmJr87vIvjP3oDYB588cY3Q CCTOficHwZBu2n0z+BpPCrMlv0eA7eCVSm50h8JOzXpsK+Hk/ngVrlpVzpITRBcLntTj4meYtzpbo C8u4zjhY0iNNnyCxet/sp+LNSX/iy6M5LTDRUCA1MzOifXWkI2m8kjJFAz5ieX2AlVehkqhOEqJLt mH6Ze3It3Dj+ZaC3PeP8RUvRFiSEl2MrNYKNf4S0xjku8lwECgkw8I5OEqvyXPUazPSgcX2im9hsF 5U8cRMtbXdX4vIOy8n5GaNzpPRlSZ44T7qikV++tGRIAn12/saKvDX1oeaNDS9iRJ1SMJiuWL0Dry gAF+e5W9w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDram-0000pB-J3; Thu, 03 Sep 2020 15:56:04 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDrag-0000nW-Oy for linux-arm-kernel@lists.infradead.org; Thu, 03 Sep 2020 15:56:00 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1F8652072A; Thu, 3 Sep 2020 15:55:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599148558; bh=UawhsvvU+Wr870f+1lUBnJMX3SK6C5mCIOxqnEgbrsU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HMS0YyIG5G3YiDZO/NbUPiMufx4BuhOSssh8LXtEPBuM1jXbQSIljZeMSSnTXPxqU FPdoKtUwXC0rUL0OBW/O5Ah/o/SVcl9FLxJZIbYCOXWtAnl8Rdo3t0Ilf3MVc8cwRH kvJFmO4usBmSn+6M7LmldEi46maewGvHBC1a1ztM= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kDr8D-008vT9-MV; Thu, 03 Sep 2020 16:26:34 +0100 From: Marc Zyngier To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Subject: [PATCH 21/23] KVM: arm64: Tighten msis_require_devid reporting Date: Thu, 3 Sep 2020 16:26:08 +0100 Message-Id: <20200903152610.1078827-22-maz@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200903152610.1078827-1-maz@kernel.org> References: <20200903152610.1078827-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, Christoffer.Dall@arm.com, lorenzo.pieralisi@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200903_115558_965963_77937260 X-CRM114-Status: GOOD ( 13.28 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: Lorenzo Pieralisi , Suzuki K Poulose , Christoffer Dall , James Morse , kernel-team@android.com, Julien Thierry Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Although it is safe for now, do condition the returning of a msis_require_devid capability on the irqchip being a GICv3. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/arm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index d625904633c0..0d4c8de27d1e 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -195,7 +195,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) if (!kvm) r = -EINVAL; else - r = kvm->arch.vgic.msis_require_devid; + r = (irqchip_is_gic_v3(kvm) && + kvm->arch.vgic.msis_require_devid); break; case KVM_CAP_ARM_USER_IRQ: /*