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=-12.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 3E1D9C10F13 for ; Sun, 14 Apr 2019 20:42:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 136A520850 for ; Sun, 14 Apr 2019 20:42:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727322AbfDNUmq (ORCPT ); Sun, 14 Apr 2019 16:42:46 -0400 Received: from terminus.zytor.com ([198.137.202.136]:53797 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725829AbfDNUmq (ORCPT ); Sun, 14 Apr 2019 16:42:46 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x3EKgGvu2690044 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sun, 14 Apr 2019 13:42:16 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x3EKgFpp2690041; Sun, 14 Apr 2019 13:42:15 -0700 Date: Sun, 14 Apr 2019 13:42:15 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Thomas Gleixner Message-ID: Cc: hpa@zytor.com, jpoimboe@redhat.com, peterz@infradead.org, linux-kernel@vger.kernel.org, mingo@kernel.org, aryabinin@virtuozzo.com, luto@kernel.org, glider@google.com, tglx@linutronix.de, rostedt@goodmis.org, dvyukov@google.com Reply-To: peterz@infradead.org, linux-kernel@vger.kernel.org, hpa@zytor.com, jpoimboe@redhat.com, mingo@kernel.org, aryabinin@virtuozzo.com, glider@google.com, luto@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, dvyukov@google.com In-Reply-To: <20190410103644.750219625@linutronix.de> References: <20190410103644.750219625@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/stacktrace] mm/kasan: Remove the ULONG_MAX stack trace hackery Git-Commit-ID: ead97a49ec3a3cb9b5133acbfed9a49b91ebf37c X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: ead97a49ec3a3cb9b5133acbfed9a49b91ebf37c Gitweb: https://git.kernel.org/tip/ead97a49ec3a3cb9b5133acbfed9a49b91ebf37c Author: Thomas Gleixner AuthorDate: Wed, 10 Apr 2019 12:28:07 +0200 Committer: Thomas Gleixner CommitDate: Sun, 14 Apr 2019 19:58:31 +0200 mm/kasan: Remove the ULONG_MAX stack trace hackery No architecture terminates the stack trace with ULONG_MAX anymore. Remove the cruft. Signed-off-by: Thomas Gleixner Acked-by: Dmitry Vyukov Acked-by: Peter Zijlstra (Intel) Cc: Josh Poimboeuf Cc: Andy Lutomirski Cc: Steven Rostedt Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: kasan-dev@googlegroups.com Cc: linux-mm@kvack.org Link: https://lkml.kernel.org/r/20190410103644.750219625@linutronix.de --- mm/kasan/common.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 80bbe62b16cd..38e5f20a775a 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -74,9 +74,6 @@ static inline depot_stack_handle_t save_stack(gfp_t flags) save_stack_trace(&trace); filter_irq_stacks(&trace); - if (trace.nr_entries != 0 && - trace.entries[trace.nr_entries-1] == ULONG_MAX) - trace.nr_entries--; return depot_save_stack(&trace, flags); }