From patchwork Wed Feb 26 19:55:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 13993115 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 10423271826 for ; Wed, 26 Feb 2025 19:56:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740599767; cv=none; b=XDjDdVSxAio1TeHXL2lUdk8KV0VebP51RNqmb9VWjJKSgceRZhqrZ5kt8f7g9DSinHDwU5YVKDP4Fad5LJcRX7ti9pFNyBQORgwz5GzOUVgEsbklelY3jthgqlZMuPzm0gLt5ExOorDZORaUU3EogOHdtFwf07rRXN5g+TceeYM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740599767; c=relaxed/simple; bh=x9+CRJONKRTnB7NtIzMLFEu/CRw2C1cGKXE2qZ2iymw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Uw+BCUfNTQM204yWLEiqeaiV7FQjQmGfyfJT35bgBwsO4QEHQnZjnm0Ky6W1TYkeNvyyDHO3nUr1F5R1JVgbkkbIOe5mhcxrO/ggk6PBrFEUUS0HlDS2Wq5ZDiRLaDm14HiYKGhPo6H+ZdcYvTcuV4GPS3jPJKsPnFBHBaCIBlA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ZEAc/Q6a; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZEAc/Q6a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740599764; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=69N2ySQEB9r7pxaQeeuPr6qhpNtr/uJzO4TGLmLzoMI=; b=ZEAc/Q6aJu2uFwm8tL9NG8X3+UB6Ia0RkZdfhd26Zy3EHn71ZnSWuaC63vEIhqR2//iaMP Ni1HARsisPtrEOUa9MWWH1W3CiB4uSTB3crs55NwU5iCaWp/Id+XutUlAucKGYK1xxUwEb ooRKw87RGel+4aeHZrIaNjG2TduoLpw= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-207-19nAfOdjOc6rRNoWfyNh1A-1; Wed, 26 Feb 2025 14:56:00 -0500 X-MC-Unique: 19nAfOdjOc6rRNoWfyNh1A-1 X-Mimecast-MFC-AGG-ID: 19nAfOdjOc6rRNoWfyNh1A_1740599759 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 666021800874; Wed, 26 Feb 2025 19:55:59 +0000 (UTC) Received: from virtlab1023.lab.eng.rdu2.redhat.com (virtlab1023.lab.eng.rdu2.redhat.com [10.8.1.187]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7FAE419560AE; Wed, 26 Feb 2025 19:55:58 +0000 (UTC) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: seanjc@google.com, Yan Zhao , Rick Edgecombe Subject: [PATCH 21/29] KVM: x86/mmu: Export kvm_tdp_map_page() Date: Wed, 26 Feb 2025 14:55:21 -0500 Message-ID: <20250226195529.2314580-22-pbonzini@redhat.com> In-Reply-To: <20250226195529.2314580-1-pbonzini@redhat.com> References: <20250226195529.2314580-1-pbonzini@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 From: Rick Edgecombe 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 its callee kvm_mmu_load() as well. Signed-off-by: Rick Edgecombe Signed-off-by: Yan Zhao Message-ID: <20241112073827.22270-1-yan.y.zhao@intel.com> Signed-off-by: Paolo Bonzini --- 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 f4e18b33a21a..443c4836bc62 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4728,6 +4728,7 @@ 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) @@ -5751,6 +5752,7 @@ 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) {