From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3C4DC63697 for ; Tue, 17 Nov 2020 18:17:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71E1A2468D for ; Tue, 17 Nov 2020 18:17:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="I3vfgCro" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730897AbgKQSQs (ORCPT ); Tue, 17 Nov 2020 13:16:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730858AbgKQSQq (ORCPT ); Tue, 17 Nov 2020 13:16:46 -0500 Received: from mail-qv1-xf49.google.com (mail-qv1-xf49.google.com [IPv6:2607:f8b0:4864:20::f49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4111BC0617A7 for ; Tue, 17 Nov 2020 10:16:46 -0800 (PST) Received: by mail-qv1-xf49.google.com with SMTP id 5so958631qvk.3 for ; Tue, 17 Nov 2020 10:16:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=43GxmItVf3ENfAwK24h1jbs6QJ7Tr5/fb9a8KdpnALQ=; b=I3vfgCroLZcbxbMBelA50c1N1Y3hD7RO8dK4Yfdg92JJ9mDudKl7ZgVFDEGcLokKqJ fep0U6jqOGtZ9zoGEC9cF+peh0IJyKmC2E8YytUJtdBUfDiS2VrM7RvmCyrkIEOyoCVj Zj5RKXdkNzPbGhMxtY7uW4LVsd/+tcfslNA/BdBW/Ry87jVtrKtdKPqwdrxwWN35EhWb bdEhtmYnellgGGg7lrrS4XNju/dLo6f/36HiRTbFiTj1kTY/q9HvfamGy/O7EQSsS/SA thHp38VOizlOMz3Ke6XtLCtKEpujSjul4xmuEtP/hRSxLWC+cRCGJH7WvDUtgQ736y89 XCuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=43GxmItVf3ENfAwK24h1jbs6QJ7Tr5/fb9a8KdpnALQ=; b=Z2jOA8xJQPpDPpodny3czvxI2PieXn96h1v8fMyZ9FWknB8hcra8ggk7EiQfp87JDR tInbIsig2+WUSLX3x9E26sHXJvVURgRJiKISpe0HGNpNI7vZvNJw5tNR/5E0HQIZ3io9 kDF59idq6g1eFbnSZ83zR1gaJTJ5lg7mS5gvyaW/mGvFRBbXpqR+St2FkcccrBCiphA0 ac52TN06zsoMdwOcYI12wsjMAI6gk3Afo6w9Vu9qloqTxPjSR5oLmCTJCkVt+ATySFpW 6CMzdF0AtV3r/SNSTD/9GaZ8cg3rCzM0cp86RdT8g0MUDsPU80hZJ6WlduqezDa3PB4g oKeA== X-Gm-Message-State: AOAM532ukEUHLCIE+bHqoOmLqU9J4pfqSrNkuwJu+7lElHPrs5ERIVpG +Fp3ZbY0Rl81VAHMN7hvIGcw696wRgBU X-Google-Smtp-Source: ABdhPJystvOylX+iR1GTTm6D07Kb5FsHciKocNWKW8OwH+Vo7WRMYhFofs8v1FHeyNq/UupTe8A1TLvb0Rxw Sender: "qperret via sendgmr" X-Received: from luke.lon.corp.google.com ([2a00:79e0:d:210:f693:9fff:fef4:a7ef]) (user=qperret job=sendgmr) by 2002:a05:6214:12e8:: with SMTP id w8mr990171qvv.16.1605637005406; Tue, 17 Nov 2020 10:16:45 -0800 (PST) Date: Tue, 17 Nov 2020 18:15:51 +0000 In-Reply-To: <20201117181607.1761516-1-qperret@google.com> Message-Id: <20201117181607.1761516-12-qperret@google.com> Mime-Version: 1.0 References: <20201117181607.1761516-1-qperret@google.com> X-Mailer: git-send-email 2.29.2.299.gdc1121823c-goog Subject: [RFC PATCH 11/27] KVM: arm64: Stub CONFIG_DEBUG_LIST at Hyp From: Quentin Perret To: Catalin Marinas , Will Deacon , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Rob Herring , Frank Rowand Cc: "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" , open list , "open list:KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" , kernel-team@android.com, android-kvm@google.com, Quentin Perret Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to use the kernel list library at EL2, introduce stubs for the CONFIG_DEBUG_LIST out-of-lines calls. Signed-off-by: Quentin Perret --- arch/arm64/kvm/hyp/nvhe/Makefile | 2 +- arch/arm64/kvm/hyp/nvhe/stub.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/kvm/hyp/nvhe/stub.c diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile index 1fc0684a7678..33bd381d8f73 100644 --- a/arch/arm64/kvm/hyp/nvhe/Makefile +++ b/arch/arm64/kvm/hyp/nvhe/Makefile @@ -10,7 +10,7 @@ lib-objs := clear_page.o copy_page.o memcpy.o memset.o lib-objs := $(addprefix ../../../lib/, $(lib-objs)) obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o \ - hyp-main.o hyp-smp.o psci-relay.o early_alloc.o + hyp-main.o hyp-smp.o psci-relay.o early_alloc.o stub.o obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \ ../fpsimd.o ../hyp-entry.o ../exception.o obj-y += $(lib-objs) diff --git a/arch/arm64/kvm/hyp/nvhe/stub.c b/arch/arm64/kvm/hyp/nvhe/stub.c new file mode 100644 index 000000000000..c0aa6bbfd79d --- /dev/null +++ b/arch/arm64/kvm/hyp/nvhe/stub.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Stubs for out-of-line function calls caused by re-using kernel + * infrastructure at EL2. + * + * Copyright (C) 2020 - Google LLC + */ + +#include + +#ifdef CONFIG_DEBUG_LIST +bool __list_add_valid(struct list_head *new, struct list_head *prev, + struct list_head *next) +{ + return true; +} + +bool __list_del_entry_valid(struct list_head *entry) +{ + return true; +} +#endif -- 2.29.2.299.gdc1121823c-goog