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 E79F2606D820 for ; Mon, 9 Nov 2026 08:33:03 +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=VvZDJE1F; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=EGmuC7q1 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=nuZwdcEqSf0GREbYY2JQO9BxTM9vkxgcBZSixac3fTw=; b=VvZDJE1FMuHuh0 wASU13ywlZ7daBWm5+PpwlRX4JkljRSVAwiv2gvCeHwToWOqfr5Nz38pSgOsMyuNJmWIfNdDEYbUi 4xooMm83eXB5/k8CP5xAYaZIfkyqixwHNKvN4pMWFu3XVprPMbDcPDRUqtkq8NqDOEqFZH13s0o2H ia1nJ/VX86EsIdixFe5+U08v9O4Qv6CR5UxCxMqw8o/iPPPbtI6ZyHsnkvMkRL3AXAyNi2G/RVfBm WmDHUGp2EVU0EXoblfmB05sVFwSpCGMVgwy4ZrM51WBGajtwiW3Zysj3omvrRppik4PwUbZOg/JEV XWVXcHbMvPNhYoAIojlQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQKoD-000000004Y9-0Dyr; Mon, 09 Nov 2026 08:32:57 +0000 Received: from out-234.mta1.migadu.com ([95.215.58.234] helo=mta1.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQKo2-000000004NT-1u0D for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2026 08:32:51 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=mVkQGuj8ljyCa0NJBq4S9PryK2Zi+xV6c3MV6FVKjRw=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794213164; v=1; x=1794817964; b=EGmuC7q1BSxPS9ZbOUKSNLQbhatxJbmCVx7/M22yWiKih7st/8SpciqpG66fFyFkQ9pAUhp0 /qpMTh5p4oP17p1RUZVbjeej7eADCPj/EXsktuPHzE3+qw7Dm4dP4XGu5GLY7eon2Nk2OZ9tC9X sZEcixwamq4qw96PNtM7xcxM= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id d9e35c043b16f706; Mon, 09 Nov 2026 08:32:44 +0000 X-Mizu-Trace-ID: d9e35c043b16f706 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 11/16] KVM: arm64: Advertise HBC, CLRBHB, RPRFM, CSSC and LUT to protected VMs Date: Mon, 9 Nov 2026 08:32:00 +0000 Message-ID: <20261109083205.806619-12-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_003247_560196_7E8FB68F X-CRM114-Status: UNSURE ( 8.26 ) 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_HBC, FEAT_CLRBHB, FEAT_RPRFM, FEAT_CSSC and FEAT_LUT to protected VMs, with CSSC up to CMPBR and LUT up to LUT6, as for a non-protected VM. Signed-off-by: Fuad Tabba --- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index a937aad009348..b325bab5431a8 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -214,6 +214,11 @@ 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, BC, IMP), + MAX_FEAT(ID_AA64ISAR2_EL1, CLRBHB, IMP), + MAX_FEAT(ID_AA64ISAR2_EL1, RPRFM, IMP), + MAX_FEAT(ID_AA64ISAR2_EL1, CSSC, CMPBR), + MAX_FEAT(ID_AA64ISAR2_EL1, LUT, LUT6), MAX_FEAT(ID_AA64ISAR2_EL1, ATS1A, IMP), FEAT_END }; -- 2.47.3