From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-173.mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) (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 44C7D1F91C8 for ; Tue, 8 Jul 2025 17:28:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751995722; cv=none; b=C+mSTY9IKgvj/YNEsvwe0HCRyCeotQfAJYFC2kCnjDaefKtLYg8kqavNV3ZB0KglJst2+FasmA5oAMM9XF6cMbQNNMKd5QMzbJm+wtxpQ8ypUJLEyd62F1jqi4rMa7HiD+eyiVmbOR3YJ78BHUP7AKfJjnH69sBQ5m0B1JGHkKM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751995722; c=relaxed/simple; bh=S1BeiRZMqZuD6nb/IXLDJ8M8iBvRJpMHl754x+35Ea8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UEDO4defL3o0X6oNNqXgGe+76tWvNjBfoo54BisxluuqSmktOTH0NsSbhvoXZt9wKaJf8fN3oMrWoxhY6H43jqaTEukR/VkE6ygDiwuPBgFwQT71LUUUkoCIxiwdl5nmi5XWMDeqPQenxBSb1jE4STj7ud7VhFHm1me5pUOwSVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Ga2RCy1x; arc=none smtp.client-ip=91.218.175.173 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) header.d=linux.dev header.i=@linux.dev header.b="Ga2RCy1x" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1751995717; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=atakNEIIuWqe5PWWgZ+wbY1EHpMThWUPcZQMsXNgkPU=; b=Ga2RCy1x6tuClJXIv16c+SheyCbJA1pr3ho7t+mkuOPLNn6EINM86jkc1Kv+JUDTjk6IOD i/myrx/4Cb3MmzRRbW7V0TlmJeWkPbtyANletgSN3K1RPpno/reJbgbr+HzGjWvrDLr6E2 qTj3XP2Q04/K5Yxg6P0b4zQuiM0dMj4= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Oliver Upton Subject: [PATCH v3 21/27] KVM: arm64: Advertise support for FEAT_SCTLR2 Date: Tue, 8 Jul 2025 10:25:26 -0700 Message-Id: <20250708172532.1699409-22-oliver.upton@linux.dev> In-Reply-To: <20250708172532.1699409-1-oliver.upton@linux.dev> References: <20250708172532.1699409-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Everything is in place to handle the additional state for SCTLR2_ELx, which is all that FEAT_SCTLR2 implies. Reviewed-by: Marc Zyngier Signed-off-by: Oliver Upton --- arch/arm64/kvm/sys_regs.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index a3dacfce2e5b..b3e6a7034b64 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1644,8 +1644,10 @@ static u64 __kvm_read_sanitised_id_reg(const struct kvm_vcpu *vcpu, val &= ~ID_AA64MMFR2_EL1_NV; break; case SYS_ID_AA64MMFR3_EL1: - val &= ID_AA64MMFR3_EL1_TCRX | ID_AA64MMFR3_EL1_S1POE | - ID_AA64MMFR3_EL1_S1PIE; + val &= ID_AA64MMFR3_EL1_TCRX | + ID_AA64MMFR3_EL1_SCTLRX | + ID_AA64MMFR3_EL1_S1POE | + ID_AA64MMFR3_EL1_S1PIE; break; case SYS_ID_MMFR4_EL1: val &= ~ARM64_FEATURE_MASK(ID_MMFR4_EL1_CCIDX); @@ -2961,6 +2963,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { ID_AA64MMFR2_EL1_NV | ID_AA64MMFR2_EL1_CCIDX)), ID_WRITABLE(ID_AA64MMFR3_EL1, (ID_AA64MMFR3_EL1_TCRX | + ID_AA64MMFR3_EL1_SCTLRX | ID_AA64MMFR3_EL1_S1PIE | ID_AA64MMFR3_EL1_S1POE)), ID_WRITABLE(ID_AA64MMFR4_EL1, ID_AA64MMFR4_EL1_NV_frac), -- 2.39.5