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=-6.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FSL_HELO_FAKE,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 48C35C432C0 for ; Mon, 25 Nov 2019 11:00:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C7482068E for ; Mon, 25 Nov 2019 11:00:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574679626; bh=1ddaNvuIL1vtddddKJ54+TEs7vppN8CMnBtMIJBbE+I=; h=Date:From:To:Cc:Subject:List-ID:From; b=fSOTjkPuHb8hJ6X3MScJL83gjBVgghoShKSdmjc5YBVa8TU+UPRi9wSNWEcR4wQXv xExYCLjeGDUjWbTy4zx3H7pQ1kSciyUsrXoueIWPnoRk1IJ5FRPNiyJXZMGYuIwux0 d4nSjcp9pNVWLFjDCJV4cIH30pa/PKyyBah10B6o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727628AbfKYLAY (ORCPT ); Mon, 25 Nov 2019 06:00:24 -0500 Received: from mail-wm1-f46.google.com ([209.85.128.46]:37596 "EHLO mail-wm1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727278AbfKYLAY (ORCPT ); Mon, 25 Nov 2019 06:00:24 -0500 Received: by mail-wm1-f46.google.com with SMTP id f129so14021002wmf.2 for ; Mon, 25 Nov 2019 03:00:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=gS84IIxPGaUBR9X9Mk2rkH83WR7vlZdxI/N0xiyIvDY=; b=VNS/NxQVW/kfFovWuHio4KoDkERNwyOfkjSCpKtY8BLpmCcF1ubYBRo86wh4SXgX3w m+7wiIq1ZghfbTd1PuDhgxDqzhFiJ+wFxs713paIuOldrsFvzz+lcfmW+iy0M6P6nbXY 7fRoVU04sv6MM8E7P4FclfUfW+NnAxKQzVyFN7xCiSI9kUuayiiMbORilh3+VysF8wq1 SR5x266P7vX8gLA6FizRNX8aZNdOmfU8vavnzKhzqmKI+mGN6vcODAMTdOItPDB4mxMx 5jA6L8Ki7jxNBZlGAvPZu2Ey41d7u8QQx5sJUhOI/74bIfCZEqVzjVFlHqDDtWSzB7Bn 8Gug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mime-version:content-disposition:user-agent; bh=gS84IIxPGaUBR9X9Mk2rkH83WR7vlZdxI/N0xiyIvDY=; b=FMYNPSP6i5qcq7bn/HHlL6N7F0ZJT2XNjX7Xt9DRU7xFPZ2zhY2eEso9U484TEoVJi D0m5NNHvphqozOiKiAi2wwq5+8wnHIp0xn2CozzLwneaF6LXoNQVBOrv50hpslQ3COJV pwv73RZig8KB+KqFlfh6f+OvcYQqRgMWcOzxkfP3uMvyTSUOnvnw3KmbaLjBph3wCHUZ sEnPLQIdCVmG+62xpAVKnZb+5iezyjsWmT9rlYYbZMwhV/XRq4wFTtO5o1UoxnG81zcM KsoZwRc9clWBXuFhLLfRp+CPnQGtw0F1z1qGwRD0h9RqBzeP2dHG+cfYOXcYPrVXII0O KQAQ== X-Gm-Message-State: APjAAAXP/vV5fZlIWpr4yIypGJwEtCChQZTj4t3f4K2huFIixTq5sbNQ lpfkZ5tm5DwDQKvlC3B2z/A= X-Google-Smtp-Source: APXvYqzHa5XBPQW0lbrQOSeD5AxZKgOmsAbQpH9nO8/tE/7q4Rp0RAad4MAEIimQDM/H5NfLvP3nVw== X-Received: by 2002:a1c:96c9:: with SMTP id y192mr29211272wmd.8.1574679621886; Mon, 25 Nov 2019 03:00:21 -0800 (PST) Received: from gmail.com (54033286.catv.pool.telekom.hu. [84.3.50.134]) by smtp.gmail.com with ESMTPSA id y2sm8346182wmy.2.2019.11.25.03.00.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Nov 2019 03:00:21 -0800 (PST) Date: Mon, 25 Nov 2019 12:00:19 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Borislav Petkov , Andrew Morton Subject: [GIT PULL] core/stacktrace cleanup for v5.5 Message-ID: <20191125110019.GA117271@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest core-stacktrace-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-stacktrace-for-linus # HEAD: 4b48512c2e9c63b62d7da23563cdb224b4d61d72 stacktrace: Get rid of unneeded '!!' pattern A minor cleanup. Thanks, Ingo ------------------> Jiri Slaby (1): stacktrace: Get rid of unneeded '!!' pattern kernel/stacktrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index c9ea7eb2cb1a..2af66e449aa6 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -142,7 +142,7 @@ unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store, .store = store, .size = size, /* skip this function if they are tracing us */ - .skip = skipnr + !!(current == tsk), + .skip = skipnr + (current == tsk), }; if (!try_get_task_stack(tsk)) @@ -300,7 +300,7 @@ unsigned int stack_trace_save_tsk(struct task_struct *task, .entries = store, .max_entries = size, /* skip this function if they are tracing us */ - .skip = skipnr + !!(current == task), + .skip = skipnr + (current == task), }; save_stack_trace_tsk(task, &trace);