From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 292E2606EEBC for ; Mon, 9 Nov 2026 08:32:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=sgMXiXlm; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=IgM2gl7o DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=42Orm40wyRzB+1dz5ASuI1+iqJtxIK4njD90kiRR/14=; b=sgMXiXlmfKAp+R 9HzQvqbA5XMs2O0/Izo3awTmPEelZ3NfeW92lK3kqWdF99bepUdqPNJ6q08gSqjSHhpvn7qthveKS rxCnYBZs+fJ5ynpi5VbahegMF4nleUHUEzfA+LSttbSA2/vuG40vsaQBy1BimdbITEXy3vkwQFIGk bfeCKJvuY7/QHn2GN5xhgE9L1mmRtcCVtvXNKg1a3oC6nGCqjsktxYvi4zWowyx190v3cqvijWGZm 75ziNYUy3cIhx1I7f+dgYMx+aRRqmAkqvfysYGe4BumUk6yhVXC4Xp2uryv2wAi3rpWIM50eGl/vK IQ/HH6OZJtWbHuqueqfQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQKnv-000000004Io-2ZT5; Mon, 09 Nov 2026 08:32:39 +0000 Received: from out-214.mta1.migadu.com ([95.215.58.214] helo=mta1.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQKnm-00000000483-365p for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2026 08:32:32 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=h9tWamJLklnLk65EksHqbtyH+466JFRTiXTrnW1mmmE=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794213148; v=1; x=1794817948; b=IgM2gl7ote6LZ27McnrsVE5cWqEZ+K/R9X0A3qD7bHy8IUAXWivb5SOXr76tDa7+iJZf3B4Y 4kcpFuoWAHzzvVs6OrtiSKZSae41aOygC6kTpOGV2GBbw8FPU0+Snb3OfK7AicLFyQdrItOWVaW LfxSEcVXQaedx5ZqmMohkGv8= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id 3df3eedc180a0556; Mon, 09 Nov 2026 08:32:28 +0000 X-Mizu-Trace-ID: 3df3eedc180a0556 X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: Joey Gouly , Suzuki K Poulose , Zenghui Yu , Steffen Eiden , Catalin Marinas , Will Deacon , Mark Rutland , Vincent Donnefort , Fuad Tabba , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/16] KVM: arm64: Advertise MOPS to protected VMs Date: Mon, 9 Nov 2026 08:31:58 +0000 Message-ID: <20261109083205.806619-10-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261109083205.806619-1-fuad.tabba@linux.dev> References: <20261109083205.806619-1-fuad.tabba@linux.dev> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261109_003230_975758_B0318C46 X-CRM114-Status: UNSURE ( 8.50 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Advertise FEAT_MOPS to protected VMs. With the field set, vcpu_set_hcrx() sets HCRX_EL2.{MSCEn,MCE2} for them, and kvm_hyp_handle_mops() already handles their MOPS exceptions. Signed-off-by: Fuad Tabba --- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index d186aba6aa09c..bcc35d6990e67 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -212,6 +212,7 @@ static const struct pvm_ftr_bits pvmid_aa64isar1[] = { static const struct pvm_ftr_bits pvmid_aa64isar2[] = { MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, GPA3, IMP, vm_has_ptrauth), MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, APA3, PAuth, vm_has_ptrauth), + MAX_FEAT(ID_AA64ISAR2_EL1, MOPS, IMP), MAX_FEAT(ID_AA64ISAR2_EL1, ATS1A, IMP), FEAT_END }; -- 2.47.3