From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9585B3B83F9; Thu, 30 Jul 2026 07:11:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785395469; cv=none; b=XyJIt020cTC2X0oAMs85sk7SUfuhol7d1ZptAEfqEDN9S0c01linqVbTQCkptpUSIx4aXZdIAQqJYle7zOW4Xk7OjirBot8Do9BYJ05Dt6uN4qna4TrVWqQ0PpPFawgAZ3/p6i8CxkcohSGu/YgZWjPMq2/817pkxVXubLrMZm4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785395469; c=relaxed/simple; bh=0oA5e6BH9RbYPuD7HYpZuzByUqXOlKrAGOCKImp2DqE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ol7O5Rj+lrOFU++EN6K9ptIaN4KNz2Z1y2vhBSOnPKsGBkqyiCFtRuDZJzeNf/quU1+Ixh6WeXcXbFtB1xF808NFpJynzqvH7HlxEDu7ZfkihoEHMdJXN+SPD5mLlsDoTjvT9F19h05UGKeobZfWN306MBT4Ozjep/SKWW+yybo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f463NtPa; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f463NtPa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5C301F0156C; Thu, 30 Jul 2026 07:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785395453; bh=nvPddLwq+3E5BpZogpvn3U5ADhW+cJYX5/jH9oxoba8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=f463NtPaY4HT+/TSgo+5t/0JsVII9nY+joCZ9V1JmiGw3RjjSzC21ei1IGwDhG24/ dFW+TjZqfseFpHSI62FFG+MxTCwoRT5t6+RtvxWe1tc1/XCVWze8EgoqLfztP/LSIp NW7qq7otBkud1FVWkpMcHnxXLV+vQlxAMg483poj8BmsI41z4G0x5y8wRYd1CHJHq8 f117mRPqueVPGe08EmKQrnBNIK4aLUviJlBYnh3qXxvXve1nBfaBkrDvHFuBUZv+Wh 3FIGJsvHCEA3z9zwBRB8NeMo2JiTofMH+k7LXb6oFV1jGukaNzTxU72wpbG2TBNrpf rQZidHPsWYnhA== 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 4.98.2) (envelope-from ) id 1wpKuq-0000000AOpW-0KAz; Thu, 30 Jul 2026 07:10:52 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Steffen Eiden , Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Yao Yuan , Wei-Lin Chang , Vladimir Murzin Subject: [PATCH v4 17/29] KVM: arm64: Add NV3 control bits to HCRX_EL2 sanitisation Date: Thu, 30 Jul 2026 08:10:10 +0100 Message-ID: <20260730071022.296811-18-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260730071022.296811-1-maz@kernel.org> References: <20260730071022.296811-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, seiden@linux.ibm.com, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, yaoyuan@linux.alibaba.com, weilin.chang@arm.com, vladimir.murzin@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Expose the FEAT_NV3 control bits to the sanitisation code so that KVM stops moaning about the unattributed bits. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/config.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c index c61d62b796023..467f57eb8e6bb 100644 --- a/arch/arm64/kvm/config.c +++ b/arch/arm64/kvm/config.c @@ -225,6 +225,7 @@ struct reg_feat_map_desc { #define FEAT_HCX ID_AA64MMFR1_EL1, HCX, IMP #define FEAT_S2PIE ID_AA64MMFR3_EL1, S2PIE, IMP #define FEAT_GCIE ID_AA64PFR2_EL1, GCIE, IMP +#define FEAT_NV3 ID_AA64MMFR4_EL1, NV_frac, NV3 static bool not_feat_aa64el3(struct kvm *kvm) { @@ -904,6 +905,11 @@ static const DECLARE_FEAT_MAP_FGT(hdfgwtr2_desc, hdfgwtr2_masks, static const struct reg_bits_to_feat_map hcrx_feat_map[] = { + NEEDS_FEAT(HCRX_EL2_NVTGE | + HCRX_EL2_NVnTTLB | + HCRX_EL2_NVnTTLBIS | + HCRX_EL2_NVnTTLBOS, + FEAT_NV3), NEEDS_FEAT(HCRX_EL2_SRMASKEn, FEAT_SRMASK), NEEDS_FEAT(HCRX_EL2_PACMEn, feat_pauth_lr), NEEDS_FEAT(HCRX_EL2_EnFPM, FEAT_FPMR), -- 2.47.3