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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 844DDC43381 for ; Fri, 1 Mar 2019 20:00:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C6B120848 for ; Fri, 1 Mar 2019 20:00:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726050AbfCAUAq (ORCPT ); Fri, 1 Mar 2019 15:00:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35554 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725862AbfCAUAp (ORCPT ); Fri, 1 Mar 2019 15:00:45 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9856CA0A21; Fri, 1 Mar 2019 20:00:45 +0000 (UTC) Received: from cervelo.rdu.redhat.com (dhcp129-79.rdu.redhat.com [10.13.129.79]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3700E19C58; Fri, 1 Mar 2019 20:00:45 +0000 (UTC) From: William Cohen To: catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org Cc: William Cohen Subject: [PATCH] arm64/stacktrace: Export save_stack_trace_regs() Date: Fri, 1 Mar 2019 15:00:41 -0500 Message-Id: <20190301200041.31305-1-wcohen@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 01 Mar 2019 20:00:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ARM64 implements the save_stack_trace_regs function, but it is unusable for any diagnostic tooling compiled as a kernel module due the missing EXPORT_SYMBOL_GPL for the function. Export save_stack_trace_regs() to align with other architectures such as s390, openrisc, and powerpc. This is similar to the ARM64 export of save_stack_trace_tsk() added in git commit e27c7fa015d6. Signed-off-by: William Cohen --- arch/arm64/kernel/stacktrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 1a29f2695ff2..d908b5e9e949 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -143,6 +143,7 @@ void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace_regs); static noinline void __save_stack_trace(struct task_struct *tsk, struct stack_trace *trace, unsigned int nosched) -- 2.20.1