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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT 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 AB9C1C433E2 for ; Sat, 12 Sep 2020 07:06:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70DE1207BB for ; Sat, 12 Sep 2020 07:06:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725910AbgILHGQ (ORCPT ); Sat, 12 Sep 2020 03:06:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725885AbgILHGO (ORCPT ); Sat, 12 Sep 2020 03:06:14 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87FD0C061757 for ; Sat, 12 Sep 2020 00:06:12 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: krisman) with ESMTPSA id 3ECD629C42E From: Gabriel Krisman Bertazi To: luto@kernel.org, tglx@linutronix.de Cc: hpa@zytor.com, bp@alien8.de, rric@kernel.org, peterz@infradead.org, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org, Gabriel Krisman Bertazi , kernel@collabora.com Subject: [PATCH 3/6] x86: oprofile: Avoid TIF_IA32 when checking 64bit mode Date: Sat, 12 Sep 2020 03:05:50 -0400 Message-Id: <20200912070553.330622-4-krisman@collabora.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200912070553.330622-1-krisman@collabora.com> References: <20200912070553.330622-1-krisman@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to remove TIF_IA32, stop using it in oprofile code. Signed-off-by: Gabriel Krisman Bertazi --- arch/x86/oprofile/backtrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c index a2488b6e27d6..1d8391fcca68 100644 --- a/arch/x86/oprofile/backtrace.c +++ b/arch/x86/oprofile/backtrace.c @@ -49,7 +49,7 @@ x86_backtrace_32(struct pt_regs * const regs, unsigned int depth) struct stack_frame_ia32 *head; /* User process is IA32 */ - if (!current || !test_thread_flag(TIF_IA32)) + if (!current || user_64bit_mode(regs)) return 0; head = (struct stack_frame_ia32 *) regs->bp; -- 2.28.0