From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.210 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794213167; b=isgroSsLG3sk5MOWNusxAwwYQ48Rd00pXJFyCNuPTMkfxqj0TkQaf2fERsFld3OrI70y UF+vdnS1mS3VR9p1v/Yc1Jiev4kInBL1F2FPyZEVLWH17LTRSuSylZBM7Gp7IAQX3H+gJ 5urt7ZIMHRf24F+kwmSLuwXDlm8Z+ggq+Lq/PG2JEr6SBDtnXIneq3gv6D+rbmuS7zVFo Iv4bF7QVUyoSuiyGdhLpFbPpVtvDu4Xo6MILLveIKHDCA5YC1xhTnaUM4jH9USUZE0pRt VSRqx97+70i+Pr8pYMor3xbJ5nrTbyqY8P9oAoxVzycECnoLt7H4rfRbAF4FfI5ckvw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794213167; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=nuZwdcEqSf0GREbYY2JQO9BxTM9vkxgcBZSixac3fTw=; b=U1bFSmfD8IZO+P4Q3fC6gXj/vFfgw44lts90H3vSrJ0I4sQPryjD+XJP+JhDjmDhA0f6 s4M39K8D/wEJRF1Tj00UvQagzteJB26AxQaQhSYPxvZ+8SVv9JlXZrrromH3CDPkaN3EY C5f2iRn4uzZky9I0vNK4Bn0jL0EWRCCz1MBmna+blWcT8C4vmlYgSpKRd+8DrxLP3G5GP xHNoAIpN/Tqdhle1ZIQjnbeJ7fHlokSIRi8750XevimKGbqjvjcwHdYr8LS7vs0wB1LFY fsPojB0f/pGe43CgAOBrp4SySIO2WIoATOaMA4joxgnRM+w5wnOxKFNgso4C+BfDhhQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=EGmuC7q1; arc=none smtp.remote-ip=91.218.175.210 Received: from mta0.migadu.com (out-210.mta0.migadu.com [91.218.175.210]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F0B3606D831 for ; Mon, 9 Nov 2026 08:32:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8F0B3606D831 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=EGmuC7q1 X-Envelope-To: kvm@vger.kernel.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: kvm@vger.kernel.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-Mailing-List: kvm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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