From patchwork Wed Sep 4 03:07:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Edgecombe, Rick P" X-Patchwork-Id: 13789647 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 D03A113213C; Wed, 4 Sep 2024 03:14:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725419684; cv=none; b=G6cv+SMDdzIicLbTRNz/A5y0LlIIjE0LAr2t43SPK6wInoJ/ZkkVOKzaOeyifuUeARk5dpZys8YNz8HPmrZwbnYBozTv7sL45aercLEcpPD0lv3AEOhR06r1BPj9wGF8BONQyTpBxKXiMjDjPgnMyYVB7sVK/C1B2GDSNAVeoCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725419684; c=relaxed/simple; bh=d0oDl1sG8BMASTdCO/CxO7ARHn2ISwq2R/yNIapUptI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bNqmvY+xiaCwI5JMyQXKuObrYEojaKC3k3heYXeTeix7k+VFZLuPvJXA33PkfERV6FnTv0/i9iWMJryokiVU+fO+ywTF4CS8UrnECEZYkdy2D8yyd84MnBIQCXtV6dzLZamxYflqrfPfk7aQbpPBgItDH4HstRZI6m8IMzaSH08= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IESJHrnE; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IESJHrnE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725419681; x=1756955681; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=d0oDl1sG8BMASTdCO/CxO7ARHn2ISwq2R/yNIapUptI=; b=IESJHrnEkNwFvAPQ2uFLktEXdMAvuXF5k2rSJhi7PuQGVdtxSH5K1fkc P7QX9IUQaoDl6O3EmCM+OV1NvDjxVeLXS6QuFRw7oU53QhOy31pDbVdD1 nY4gSLOBqsKszwfvJk9QHq83GrmOPmdpxOQ4cjoHYzqiyo575LoR+pJUF hSlkKUjnMu4Qv87lFDR8JNnNcEuXGDw13uisGCb6ERlszRImf0YGXPEKG 3CRbP7rQ3Pv1b66SXzfhaHuQO6NXPoScHC34Hns+0ZWebF6KuxfYQ+MLp UqeMM6SOBWMITfPEZhTqSEmoxbO5DD9PwvVyVfj5aXY3+NLNoyNhAQUGW Q==; X-CSE-ConnectionGUID: pjjRD9m9SOmhoqZxFra8Ug== X-CSE-MsgGUID: FyzFPjiGTBahVUyVqyTrEA== X-IronPort-AV: E=McAfee;i="6700,10204,11184"; a="23564721" X-IronPort-AV: E=Sophos;i="6.10,200,1719903600"; d="scan'208";a="23564721" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2024 20:08:11 -0700 X-CSE-ConnectionGUID: ksDleisLR8SMl+QPSHVQ+A== X-CSE-MsgGUID: i2gq4rBVRYK7Q8BbEdpkhg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,200,1719903600"; d="scan'208";a="65106367" Received: from dgramcko-desk.amr.corp.intel.com (HELO rpedgeco-desk4..) ([10.124.221.153]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2024 20:08:11 -0700 From: Rick Edgecombe To: seanjc@google.com, pbonzini@redhat.com, kvm@vger.kernel.org Cc: kai.huang@intel.com, dmatlack@google.com, isaku.yamahata@gmail.com, yan.y.zhao@intel.com, nik.borisov@suse.com, rick.p.edgecombe@intel.com, linux-kernel@vger.kernel.org Subject: [PATCH 18/21] KVM: x86/mmu: Export kvm_tdp_map_page() Date: Tue, 3 Sep 2024 20:07:48 -0700 Message-Id: <20240904030751.117579-19-rick.p.edgecombe@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904030751.117579-1-rick.p.edgecombe@intel.com> References: <20240904030751.117579-1-rick.p.edgecombe@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In future changes coco specific code will need to call kvm_tdp_map_page() from within their respective gmem_post_populate() callbacks. Export it so this can be done from vendor specific code. Since kvm_mmu_reload() will be needed for this operation, export it as well. Signed-off-by: Rick Edgecombe --- TDX MMU part 2 v1: - New patch --- arch/x86/kvm/mmu/mmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index d26b235d8f84..1a7965cfa08e 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4754,6 +4754,7 @@ int kvm_tdp_map_page(struct kvm_vcpu *vcpu, gpa_t gpa, u64 error_code, u8 *level return -EIO; } } +EXPORT_SYMBOL_GPL(kvm_tdp_map_page); long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu, struct kvm_pre_fault_memory *range) @@ -5776,6 +5777,7 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu) out: return r; } +EXPORT_SYMBOL_GPL(kvm_mmu_load); void kvm_mmu_unload(struct kvm_vcpu *vcpu) {