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 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 D184DC001B0 for ; Tue, 15 Aug 2023 18:47:25 +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=RptozmZBFSAtDQ1iNKDzB7lomqvejWGQJfhev2dCi9A=; b=SOD8CCA2KeJ2h4 6hpVS5BFDMXy5AKT/9Ydn1KpeTlwEl4but47CZoLMh0hG0PtVVZinlGBGSds75nB8emhjFQ5/VPa1 2fVhS5M/oRalSwIbvOjlg4NqIzk4sidnmV4jWJkrzX1f3FzVZMsN1LWe20c/FC8jIvwketHtUkNlO GuLlK3omQjwqLVlDc7s6xLMiTaNAnHMsGisr7D/FFXHZsJVWc/AgifJGbi0AwN2gtzGSMd0Xu1wqJ SLaZn3L+jHqJla2oyPwLLNBHWNWF0LlEQZfUVnntudX9pkQzB+QrZepg4vUWNlxZxUa7YhLGbrbD1 sXEAfQmPyhTHSZp8nqNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVz4K-002D80-24; Tue, 15 Aug 2023 18:47:04 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVz4D-002D3F-0y for linux-arm-kernel@lists.infradead.org; Tue, 15 Aug 2023 18:46:58 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CB4C165F51; Tue, 15 Aug 2023 18:46:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73A1FC43397; Tue, 15 Aug 2023 18:46:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692125216; bh=M5ur1yOezQPg2ZDbwLihFfqMKwUxIyGScvJphV2dVlM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OFUQiSCqP5126NVjKk6/hiYAXneIt6Vwkkzd6pUFdx7/gHmo8t/u7WyBybe7o5AEB ZWYRqo6W6+VIjrMvyQwxG7bKAqnGdcO8H8TaCXnZG0e8026bxQgnF3iMko/M34FI+T g2gaBSFtinvoGU/yLlyXc3L6SIEXxbMIvspOt6ErD/8e8JY6yKyzFIz7l+kLAraTsZ eLyfEpBEhVVOCagFgORMSXzO03eqQw2tIrxlA2gTeAZqzfbUvE9l0tkLolqMNx8oZt I/O1wtttZUi3A35VAaf1intH24uKU+3kuvV7FW5AZ8ohdKlSZUqzKSgGSagwIT9jDC QJWZFyC/PZ/9A== 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 ) id 1qVywp-0055Sd-IT; Tue, 15 Aug 2023 19:39:19 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Eric Auger , Mark Brown , Mark Rutland , Will Deacon , Alexandru Elisei , Andre Przywara , Chase Conklin , Ganapatrao Kulkarni , Darren Hart , Miguel Luis , Jing Zhang , James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu Subject: [PATCH v4 16/28] KVM: arm64: nv: Expose FEAT_EVT to nested guests Date: Tue, 15 Aug 2023 19:38:50 +0100 Message-Id: <20230815183903.2735724-17-maz@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230815183903.2735724-1-maz@kernel.org> References: <20230815183903.2735724-1-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, jingzhangos@google.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-20230815_114657_384548_168CA3E0 X-CRM114-Status: GOOD ( 12.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that we properly implement FEAT_EVT (as we correctly forward traps), expose it to guests. Reviewed-by: Eric Auger Reviewed-by: Jing Zhang Signed-off-by: Marc Zyngier --- arch/arm64/kvm/nested.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) 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) | -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel