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 52C71C433E6 for ; Wed, 10 Mar 2021 17:59:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 296A364FB3 for ; Wed, 10 Mar 2021 17:59:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233733AbhCJR6w (ORCPT ); Wed, 10 Mar 2021 12:58:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233534AbhCJR6S (ORCPT ); Wed, 10 Mar 2021 12:58:18 -0500 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CDCCC061760 for ; Wed, 10 Mar 2021 09:58:18 -0800 (PST) Received: by mail-qk1-x749.google.com with SMTP id c1so13424492qke.8 for ; Wed, 10 Mar 2021 09:58:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=twje/T88dKdujyu/Ipi7uGGbAfwKvVyGbqSSEkcY7iA=; b=LQ0ZVrzLKNdU5CFZ/uHgdFHY9JJtbPriswTjvCuNFFdqNAFUOVuVsL11DRafoQlXRs +qA6mOO/XIpZhsDrX4ERKUL831GIYfsbE+YhI/HZL9z2EJgXSh57xNEXRp06rvAklb4F MZgzc6XLsTevrg2CaMb1FFTglqx9ngsFCS7aGzbYfmG/3tMbDI7yw9Bz9V9sE4k9t6H9 9ISno341dtYOyZomYdAIDZVzCfzWji7BZQYuO9WuddDxANZaqnLlb6SP9sEdd+81N0E5 DEiVR5nkt8P07Yw9f/2m/XFboo6ihfT8aJqnIv+81HN+EqmqZGtbe1vRqIAWUTogBnRV 0mMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=twje/T88dKdujyu/Ipi7uGGbAfwKvVyGbqSSEkcY7iA=; b=JJH/vcFbWEBUGPpjwiVcqlYCh5iZEEDq5rWUNY5PW+NtcE18QfmQtCqC5x/5yvCWz9 uY+dv3FxclP+sPxVIebzRaYNlV0MlWHG4GY3ynltrlOQDVA0Z1amGQfe8rRsA2RRXI+z g0aWfR6GZHW0b+nkkUnbNamvAQJ0GxN0UsgMLpmH79atQG2czeoV5M88cO4uYLSeKijX Tk0gFtTvBplaIa8g0ydy+Qv3idc5GMoE2IDPRvr8bziuNy/US3xt4pbOUGPNs6fCFsUc +mtH8PtWvo7/0efTVKl7LKMaokQutwvRpQU/g4x7JTzM0xblw+Wz0DtNTmUdpycjFfTy aRmg== X-Gm-Message-State: AOAM531pBhqqqorxVg7EbtxsbU6cZGLD4jk5U9P6/HV5rn7O7teCp9I9 dn7wTZHR62fLbPLWca80U6Voga/wjRFS X-Google-Smtp-Source: ABdhPJzpVCtmRY3IUgz5C3HD74m5dt+Xopm/y+FY/xkaDnXqHj0IY+JJ6z8YgmzfYvx8drfccRDDpQ7iF9lF X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:10:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a05:6214:1484:: with SMTP id bn4mr4267365qvb.8.1615399097698; Wed, 10 Mar 2021 09:58:17 -0800 (PST) Date: Wed, 10 Mar 2021 17:57:28 +0000 In-Reply-To: <20210310175751.3320106-1-qperret@google.com> Message-Id: <20210310175751.3320106-12-qperret@google.com> Mime-Version: 1.0 References: <20210310175751.3320106-1-qperret@google.com> X-Mailer: git-send-email 2.30.1.766.gb4fecdf3b7-goog Subject: [PATCH v4 11/34] KVM: arm64: Stub CONFIG_DEBUG_LIST at Hyp From: Quentin Perret To: catalin.marinas@arm.com, will@kernel.org, maz@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com Cc: android-kvm@google.com, linux-kernel@vger.kernel.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, tabba@google.com, mark.rutland@arm.com, dbrazdil@google.com, mate.toth-pal@arm.com, seanjc@google.com, qperret@google.com, robh+dt@kernel.org, ardb@kernel.org 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 24ff99e2eac5..144da72ad510 100644 --- a/arch/arm64/kvm/hyp/nvhe/Makefile +++ b/arch/arm64/kvm/hyp/nvhe/Makefile @@ -13,7 +13,7 @@ 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 -- 2.30.1.766.gb4fecdf3b7-goog