Message ID | 20230131092504.2880505-6-maz@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 41D8AC38142 for <linux-arm-kernel@archiver.kernel.org>; Tue, 31 Jan 2023 09:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sAqaL/HGYBAU7uF9xNZEgg9rAbtmuyigxmG9Sp01Vn4=; 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Tue, 31 Jan 2023 09:25:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675157133; bh=I1ke+JEZimM+0OzjneFTWAmwFB/8ZVWgBFGIEfgwjLg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fNmbiZC9zM1JFPex2Ek1pu4ZTHCi+XbmEAYAl1zT0dJ3Iw8O5KfxV7J/oJ8zUxDnD +Ve5Ru8AvJc1uAcj/xD1lK5rSeokGrfnO4M0fCE0FGiOYRy7J8NU9eAhDFBpsJj4D+ ojm/X08sNVLwk1oY/lLD8+TRuE0fZVTaUinWqGp6gtqDucoFTmjN/ZhiUcGYikAGHZ C4kWm/KUbfF7a4OyX+KdDuiBBIKXDZ5Ez/cZidsQMxc0/EBkBYscqWoGxwvaEiIJd7 oWDjJPWGyRLD7Urw1pv5tuGMmDxvwdDjnnaTbcOun8h70iQRh3q/McvKqrczlToj8+ VhElU4hatV6Pw== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <maz@kernel.org>) id 1pMmtO-0067U2-UR; Tue, 31 Jan 2023 09:25:31 +0000 From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Alexandru Elisei <alexandru.elisei@arm.com>, Andre Przywara <andre.przywara@arm.com>, Chase Conklin <chase.conklin@arm.com>, Christoffer Dall <christoffer.dall@arm.com>, Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>, Jintack Lim <jintack@cs.columbia.edu>, Russell King <rmk+kernel@armlinux.org.uk>, James Morse <james.morse@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Zenghui Yu <yuzenghui@huawei.com> Subject: [PATCH v8 05/69] KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x Date: Tue, 31 Jan 2023 09:24:00 +0000 Message-Id: <20230131092504.2880505-6-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230131092504.2880505-1-maz@kernel.org> References: <20230131092504.2880505-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alexandru.elisei@arm.com, andre.przywara@arm.com, chase.conklin@arm.com, christoffer.dall@arm.com, gankulkarni@os.amperecomputing.com, jintack@cs.columbia.edu, rmk+kernel@armlinux.org.uk, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.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-20230131_012534_320935_97E0FFD1 X-CRM114-Status: GOOD ( 13.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
KVM: arm64: ARMv8.3/8.4 Nested Virtualization support
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diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index cf4c495a4321..07444fa22888 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -24,6 +24,7 @@ #include <asm/fpsimd.h> #include <asm/kvm.h> #include <asm/kvm_emulate.h> +#include <asm/kvm_nested.h> #include <asm/sigcontext.h> #include "trace.h" @@ -253,6 +254,11 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if (!vcpu_el1_is_32bit(vcpu)) return -EINVAL; break; + case PSR_MODE_EL2h: + case PSR_MODE_EL2t: + if (!vcpu_has_nv(vcpu)) + return -EINVAL; + fallthrough; case PSR_MODE_EL0t: case PSR_MODE_EL1t: case PSR_MODE_EL1h: