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 110CAC4332D for ; Fri, 19 Mar 2021 10:03:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEFA964EF6 for ; Fri, 19 Mar 2021 10:03:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230186AbhCSKCu (ORCPT ); Fri, 19 Mar 2021 06:02:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229955AbhCSKCO (ORCPT ); Fri, 19 Mar 2021 06:02:14 -0400 Received: from mail-qt1-x849.google.com (mail-qt1-x849.google.com [IPv6:2607:f8b0:4864:20::849]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19AA8C06174A for ; Fri, 19 Mar 2021 03:02:14 -0700 (PDT) Received: by mail-qt1-x849.google.com with SMTP id b21so28895037qtr.8 for ; Fri, 19 Mar 2021 03:02:14 -0700 (PDT) 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=42VsnebBx6wd/dLld12y5OO2eqBs86RA5vT5YbLHhII=; b=dpjDBn6OQpH5nXPKZsRJwReQXwbupeBLtYsMpd576nHxHjvnVc9vqmVeYVqLuoneaK 2/gC7yD7I/DtFOk15LofKF36Dw24Wv6Sv8dC52KQRYF1DluXut/IFYKkV108Ni5SSv+h BAgmE0xLosT42H7aMLk+Rm+1LHDumfxog8gA7y5gWlN03GqE5TOZ2qFMFfz25+hy+st3 iOzPFZ2VmH2IhadveRw5E5FJi8M+fyQ5mb46COqCD7HHx6+pZVmAtnrdXzyD88leRm5f cegleOOJQIjNH3rHYuIjh1XtNE9mCawnKwxERwDK7stiTysr5C9UpfJ63Peg7UUGKxAV z5Mg== 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=42VsnebBx6wd/dLld12y5OO2eqBs86RA5vT5YbLHhII=; b=U3/yAsQFatgAUnbb1Q24Hv/ClzfSn7HT6RKjFyPxHRF8/qOyKhJcfIBSNZC+A4wFNC yqcCG4yVrKisOBmPUI6nl5ot8NJF6KXEQz9Avorz9Im3DMWzBHST/Jm/A0Wyijs8wGNr GSw9NTyGZ//313B40TzrWYx9RYYEfxPAPljvjDRPQSsv44argUK1RQ0p778M/B4hG0xo cuZvL+J6vHmXZKhkSE3Gn+ftSLX4HMapMuVwFhp8SN6ahfjUJylPCktrR1z1QngUWCGm PszgoST8qUYpPie8+HfyxcbsZPFmbsBf//kCMunYGaz+UQph2D2B3hHoUgT8OUhuoLac HBDg== X-Gm-Message-State: AOAM5317UHrSrqYdZEazqfEfRu1FtokPXYZrFWK3I06Fv3aWukwaYNpJ Jv37uUiBh78JxoOgsjA1PH12AQV2bTV/ X-Google-Smtp-Source: ABdhPJy40vcJgyO4z2WwwLPNXTxcJo3PmnLkzvLiVsroYLI2jeLnpRpxAFfdfa6RyPy0NgQ4uvhb7terjePA X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:10:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a0c:eb87:: with SMTP id x7mr8762653qvo.14.1616148133288; Fri, 19 Mar 2021 03:02:13 -0700 (PDT) Date: Fri, 19 Mar 2021 10:01:19 +0000 In-Reply-To: <20210319100146.1149909-1-qperret@google.com> Message-Id: <20210319100146.1149909-12-qperret@google.com> Mime-Version: 1.0 References: <20210319100146.1149909-1-qperret@google.com> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog Subject: [PATCH v6 11/38] 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, seanjc@google.com, mate.toth-pal@arm.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, tabba@google.com, ardb@kernel.org, mark.rutland@arm.com, dbrazdil@google.com, qperret@google.com 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. Acked-by: Will Deacon 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 -- 2.31.0.rc2.261.g7f71774620-goog