Message ID | 20230712145810.3864793-18-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 C73D8EB64DD for <linux-arm-kernel@archiver.kernel.org>; Wed, 12 Jul 2023 15:17:48 +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=N0ldwSnx79bYqbeOtPTQcKrVNRq0KzRefKHTS82lNHU=; 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Wed, 12 Jul 2023 15:17:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41E45C433C8; Wed, 12 Jul 2023 15:17:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689175027; bh=si0iT0Et/ZlgAEXFZE7spLcPXmIm+JLIqNgqra4YBOw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aCrKiTyz3w2TnUk2pS93VQA7dDAHzP2eTtX3n55OPA2swJW5Y0TGr2/UDjBtt8WHD B/BuvTDxPZPlaLENzCET/ZFfBMkE24m4B/y93Oc04fj9PcpgUZD8NyOry+4YCxWXaH tQs829ZWDHNWpHXXjoaR1OAYU7uMaUZq4bqFqR3TCBlJGKawIHWP2W9S68piMIS/Fk 7iwc0HLj2lD4Y7pN6f5PeYmor4OVAPWpngxp8j8ZNnGGTsJU1cx5787E++e9LBhoJ+ R4BHq9WJcSKtNAOwJGZ4EM24BDpBRzVSm2WjtVdO0VERZoxYDnm1NDRoV1Ob8JW8i6 9gdWctTMutU9w== 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 1qJbIq-00CUNF-8h; Wed, 12 Jul 2023 15:58:52 +0100 From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas <catalin.marinas@arm.com>, Eric Auger <eric.auger@redhat.com>, Mark Brown <broonie@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Will Deacon <will@kernel.org>, Alexandru Elisei <alexandru.elisei@arm.com>, Andre Przywara <andre.przywara@arm.com>, Chase Conklin <chase.conklin@arm.com>, Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>, Darren Hart <darren@os.amperecomputing.com>, Miguel Luis <miguel.luis@oracle.com>, 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 17/27] KVM: arm64: nv: Expose FEAT_EVT to nested guests Date: Wed, 12 Jul 2023 15:58:00 +0100 Message-Id: <20230712145810.3864793-18-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230712145810.3864793-1-maz@kernel.org> References: <20230712145810.3864793-1-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, catalin.marinas@arm.com, eric.auger@redhat.com, broonie@kernel.org, mark.rutland@arm.com, will@kernel.org, alexandru.elisei@arm.com, andre.przywara@arm.com, chase.conklin@arm.com, gankulkarni@os.amperecomputing.com, darren@os.amperecomputing.com, miguel.luis@oracle.com, 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-20230712_081708_938621_4F6BC0E0 X-CRM114-Status: GOOD ( 12.36 ) 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: NV trap forwarding infrastructure
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diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index 315354d27978..7f80f385d9e8 100644 --- a/arch/arm64/kvm/nested.c +++ b/arch/arm64/kvm/nested.c @@ -124,8 +124,7 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p, break; case SYS_ID_AA64MMFR2_EL1: - val &= ~(NV_FTR(MMFR2, EVT) | - NV_FTR(MMFR2, BBM) | + val &= ~(NV_FTR(MMFR2, BBM) | NV_FTR(MMFR2, TTL) | GENMASK_ULL(47, 44) | NV_FTR(MMFR2, ST) |
Now that we properly implement FEAT_EVT (as we correctly forward traps), expose it to guests. Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/nested.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)