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=-7.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 6B948C433E1 for ; Sat, 25 Jul 2020 08:41:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B03A206D7 for ; Sat, 25 Jul 2020 08:41:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kGmsAr4Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726837AbgGYIlF (ORCPT ); Sat, 25 Jul 2020 04:41:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726540AbgGYIlF (ORCPT ); Sat, 25 Jul 2020 04:41:05 -0400 Received: from mail-lf1-x141.google.com (mail-lf1-x141.google.com [IPv6:2a00:1450:4864:20::141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5D28C0619D3; Sat, 25 Jul 2020 01:41:04 -0700 (PDT) Received: by mail-lf1-x141.google.com with SMTP id s9so6439149lfs.4; Sat, 25 Jul 2020 01:41:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gLa0yIa3R6CxeFbpWBGfvSi9WOpvvBRp1bfTmHbwGgA=; b=kGmsAr4ZBv5Vi8BRAQbjW9+ycHKsMrrz796Jl/fafG9EID941bQh6Y1DdoPI1ITRLD aZR0flmjyNvQaIwnkxfYa+sFFnifO2rzVXB/1ybFQ1SVmffzTM5pytXZZAMyQtAWFLNy Imju1YwixY/+ICD/d8vI9mV/qlxxIseDZ/xNCwEuwXs5H0BsZFuE/tjEVjlGlR6Ml7Dd x9NE6RH1RxhMsTi6RttlugQqcI+5/TWOHHMom8TigdlACrBFNuj8pLfdq1IETbmkI1ke hYAItowlGyZUNTetLkJY6nUOm863cI2M6poZgzR2ZUvvPm8NBSFNk9IKOPASSYDX3SLU YGVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gLa0yIa3R6CxeFbpWBGfvSi9WOpvvBRp1bfTmHbwGgA=; b=VG8UUhhGQnSpCaDmISfbuvGQ6vIck0g3VLMYHom4jbUVpdifdrT43LxWtgIx+des8N uYvGcjL4MjQifOJ0KstK9JjRSMapKKFxiCa5RPyMxk9lPhZ7fKGoDFwl2vZFECSC/8lR zYjYo2b5usjKHYfI6MDx1GaJCurPTmOwWUMuRURuYWmOUWdMUKpYxKMZcW0JyEEbMG9E um9Y6wtV/jMxx9zzxTBmninsOaZa3Zm96r2d+RfsHOvyu5wdx7tNn2sabHQLJi7ssqQG q0/Rt15Rvq/abuY4KCf/KkVNw0WilhPtUx5WPVW4ps5t3Fb0/UCfyzcHoB5gSVJ1EpMD c4zg== X-Gm-Message-State: AOAM5310hiNp6vEfCizfzUWo5IkRxI05dndvqUa3KtwvN47JC1gZFlKN D5rsVE1d0GL5dR0q8qZr6w4JBIsqInb9IXpM2fQ= X-Google-Smtp-Source: ABdhPJzPUinusgTSMJuckILlfLGJqmZxIxWiac5hfQtiBRbrYhXjTRayaHMOLQTds20E7/LSZ/rvKXoVb4zjnPk1QWA= X-Received: by 2002:a19:84ce:: with SMTP id g197mr6793620lfd.73.1595666463180; Sat, 25 Jul 2020 01:41:03 -0700 (PDT) MIME-Version: 1.0 References: <20200724200503.3629591-1-songliubraving@fb.com> In-Reply-To: <20200724200503.3629591-1-songliubraving@fb.com> From: Alexei Starovoitov Date: Sat, 25 Jul 2020 01:40:51 -0700 Message-ID: Subject: Re: [PATCH bpf-next] bpf: fix build on architectures with special bpf_user_pt_regs_t To: Song Liu Cc: LKML , bpf , Network Development , Alexei Starovoitov , Daniel Borkmann , Kernel Team , John Fastabend , KP Singh , Jesper Dangaard Brouer , kernel test robot Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 24, 2020 at 1:08 PM Song Liu wrote: > > Architectures like s390, powerpc, arm64, riscv have speical definition of > bpf_user_pt_regs_t. So we need to cast the pointer before passing it to > bpf_get_stack(). This is similar to bpf_get_stack_tp(). > > Fixes: 03d42fd2d83f ("bpf: Separate bpf_get_[stack|stackid] for perf events BPF") > Reported-by: kernel test robot > Signed-off-by: Song Liu Applied. Thanks