Received: by 2002:ac0:8845:0:0:0:0:0 with SMTP id g63csp2271258img; Wed, 27 Feb 2019 13:32:42 -0800 (PST) X-Google-Smtp-Source: AHgI3IY6by3uQOjMvGLce+IFf6fHpNq7xRqihiDF3LyKq1sXSNV5t0naJhAD46CFTuTCJnAtobxk X-Received: by 2002:a17:902:2ec1:: with SMTP id r59mr3293125plb.334.1551303161967; Wed, 27 Feb 2019 13:32:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551303161; cv=none; d=google.com; s=arc-20160816; b=HiSHqGQIMd6xNO1NH+Q7PaH3tg9iJ8ozYBSEmta9PpOJVR9HpCVA+VpHWZZ7lHlCZ5 cMJSL8DLxjQaqla4fdmSxQU3U47oqPiJ0Lh/Mqf1ym2wUwDYKmCTaVHszklAQK/rUZsa 3mX1L/NNH74hC9SEKx24ZAKg4o3xSj2bVw0vDNn4VVJEe8LxpA4RD0aVJbp31+L52++g hSuE3iI7d2coJZQJqbwms+8tuW54sFKj9nMOYy5G8KIDL4Sz55VCys2VESWs1ZzjVkCz MRrn8I6Fwy3yUHnafOit70w9xqNASXeQnOYDrdBXaepXpw9CCq+1m35/jzucZ5lkRK7+ +aRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=qSf19J7M4bPpRDfnQycm6uvRLcaI1Js1FY6QH15aGvY=; b=Wu3m95ynhmq9rbusvTSnZ3WakFCV82rZn2EQn0hTj4bSocnjrYGTswV2H9tmHQf8cG K3Q90KSLDmeeuyfM/oOTvLgsRHot2Jbt4IC4IxCK3/Nb9yPJ8RscdWYFkTus1cbyapAf HDgPFvye3dX+b8cEKMFWVTROg9nE2h84qiwED3uD3em33+jAT3Hvodk3ifRUSmdauVyF LzGSZHdoKIFHwUzjWvyLy6rxua8B17mRNptOzcXCdTrkayTNjA11joh2ppJ3T4q2anWe 9vhb7iifsZpWleuqvieLGEC3eDXxrdhxYl7abzBJRPp4YNvYFS+3e0x9+3W07pPhTwVG 3hmw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c7si2509412pll.17.2019.02.27.13.32.26; Wed, 27 Feb 2019 13:32:41 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730485AbfB0Vbs (ORCPT + 99 others); Wed, 27 Feb 2019 16:31:48 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:53051 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727488AbfB0Vbr (ORCPT ); Wed, 27 Feb 2019 16:31:47 -0500 Received: from p5492e5b8.dip0.t-ipconnect.de ([84.146.229.184] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1gz6no-0006fs-9R; Wed, 27 Feb 2019 22:31:44 +0100 Date: Wed, 27 Feb 2019 22:31:43 +0100 (CET) From: Thomas Gleixner To: Joe Lawrence cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, x86@kernel.org, Jiri Slaby , Josh Poimboeuf Subject: Re: [PATCH] x86/stacktrace: export save_stack_trace_tsk_reliable In-Reply-To: <20190227211748.9545-1-joe.lawrence@redhat.com> Message-ID: References: <20190227211748.9545-1-joe.lawrence@redhat.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 27 Feb 2019, Joe Lawrence wrote: > The ppc64le implementation of save_stack_trace_tsk_reliable() is > exported, so do the same with x86. And what's the in tree module user of this? I can't find one and just because PPC has an export with no user is not a convincing argument to add another one. The proper solution is to remove the unused PPC export. Thanks, tglx