From patchwork Sat Feb 15 17:38:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13976187 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 723571EA7E6; Sat, 15 Feb 2025 17:38:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739641103; cv=none; b=FI7Hz7tGOswS/lKJMuNyYdLM00OqJMw4qU+onAU0aaIlRbJCXKIcKQ55apwkcKoM9PKlXQVU02xQ8fa2L1sgEDIhfPyLDHliNNxxfLJyb10b9FB5WOHwEFxjK699YxG2qJKNA0tHz3W10QC6+p3JITw/2xroQHg+Z/98mENi6yQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739641103; c=relaxed/simple; bh=mjigrhJTQih8m7VA5C/kcuPrCUbXNvrUzYxrPtFBC4A=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ozGn5DnFRLAYzkt2XQcejf3NmsJ1cBWScld1ItlCroA6NbfRa7kU8SFE2Qz/nhOo+EH9nP/tTvmAorRBZtpaGLH0vROYXfXAW6/qLdHuPKverGt4kODHQHdwnn0sRgvNcFzipuWE7KQMzQnAOMP8CYu+T2yUkbN+9fiNJwOeC8E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e/6E8OUN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e/6E8OUN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3240C4CEEA; Sat, 15 Feb 2025 17:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739641103; bh=mjigrhJTQih8m7VA5C/kcuPrCUbXNvrUzYxrPtFBC4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e/6E8OUNIPEtJkg80JA8nnXIIHGr6d6atrpEjjOTef4WaC+QHyx2aKjRojhapG74s ppfVO6J2t8H8QBRH+80lrLvZZn3+JGKpet6dEqlB7WO3fpezLhkrk+wwg5FiGoDf4x aXgLB0NnA7mmcFXg7fbCp8U5/W1Nt4gJJ/gk/M2su0qhDJtweErUIUdwLw15KEgAwP b8GA5Wh529IpK/1KDq1BiVq32PsTGgFJuljQlniF1c/w89SFt6lpbYciCsTzc4nk2R i6Pd8LVzCEC5UE4IqG2nrN17oS/YFBw6/mhCQT8Eb6hXRi64ADQkfJ6VN0ZYzV73Cl /JKvt3eChuaqA== 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 4.95) (envelope-from ) id 1tjM7R-004Pqp-8D; Sat, 15 Feb 2025 17:38:21 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Eric Auger Subject: [PATCH 05/14] KVM: arm64: Advertise NV2 in the boot messages Date: Sat, 15 Feb 2025 17:38:07 +0000 Message-Id: <20250215173816.3767330-6-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250215173816.3767330-1-maz@kernel.org> References: <20250215173816.3767330-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, eric.auger@redhat.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Make it a bit easier to understand what people are running by adding a +NV2 string to the successful KVM initialisation. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/arm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 071a7d75be689..4746c6cace2a8 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -2814,11 +2814,12 @@ static __init int kvm_arm_init(void) if (err) goto out_hyp; - kvm_info("%s%sVHE mode initialized successfully\n", + kvm_info("%s%sVHE%s mode initialized successfully\n", in_hyp_mode ? "" : (is_protected_kvm_enabled() ? "Protected " : "Hyp "), in_hyp_mode ? "" : (cpus_have_final_cap(ARM64_KVM_HVHE) ? - "h" : "n")); + "h" : "n"), + cpus_have_final_cap(ARM64_HAS_NESTED_VIRT) ? "+NV2": ""); /* * FIXME: Do something reasonable if kvm_init() fails after pKVM