From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.239 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794213167; b=wZ0gT61dN0cXcVo/V7yMWPbim8XERdyMuuYJMo8PI+FN56pFFJXxmeQS0zR1HUqWX2qa CPGIuLvVB6YBsVVcIl3/Yn7viW/UbeyZ57gYP8Bq25dpAj65JYbxDLxylo7i8M6gQ2H1U +tymGAXsUxZz9rG8hVTg5mVKrscIiDY5UkBcChttLMdOLMDE3Cs4PCAQaOMvDl8MZlz0+ cwEIQE5f5h8qFfZ7bF1VqKszjfueZlN42iMLAgFsP8s6niomNOOaaYroAIIljHBroKogT zp25y01wyoQhRcGzF0HR/h1UBMaRj8VDpnILbbe4ADChIlY+9YiRp6URaEjAQJz6X3A== 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=lJmnic/OmHy42eOs4+5X8tF8BHma6e+KJtullSJk3gwnU3LsE40aSW8MU36v8fFXy3HW adPq4Kh1ymxCeNO+vF4EOJRs5Qv0HEzn7xRGejyZ719opYphkdPGbWtwyAb8CgBhzUVkJ /d3OtyPnMwHzDDLZwUCU4i6QjNigFYxi+UkeRmilSLTGVJRRu9Ent9j2qOmZeznE1xFyZ xLi+FYXpX02k4ZA0WJXxvSZUie9L+gd5Akcz+hoFBjRdueHHjmojIgxnCK0kINqRzLGND JmNV6rfsWCJGxqkBCYCOCHZzGm5jezsx1Z56Ybtof4lhuD9gOj/BiyULZYJ9QRPYvIw== 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="W/y8klYr"; arc=none smtp.remote-ip=95.215.58.239 Received: from mta1.migadu.com (out-239.mta1.migadu.com [95.215.58.239]) (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 AD0EB606D833 for ; Mon, 9 Nov 2026 08:32:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org AD0EB606D833 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=W/y8klYr X-Envelope-To: linux-kernel@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=1794213165; v=1; x=1794817965; b=W/y8klYrAEsxqsoyhFYqNkvkK4k+n2on99sytHEaHbmRbsqWRTPR9JHAiHdXomlNd8o3X2rT vQm9hI7ljYUmcd20fvgttgqa3pyHIjlyPpqzW/lHHivzvVJMJ9ZFCGm38xi2vfVR0kkCpNJ0yjZ 842ppNZ0jOQVIxuY/TDCxq0g= X-Envelope-To: linux-kernel@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: linux-kernel@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