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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 1813BC433E0 for ; Wed, 24 Feb 2021 10:41:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A85DF64EC9 for ; Wed, 24 Feb 2021 10:41:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234763AbhBXKkr (ORCPT ); Wed, 24 Feb 2021 05:40:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232634AbhBXKko (ORCPT ); Wed, 24 Feb 2021 05:40:44 -0500 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFCBEC06174A for ; Wed, 24 Feb 2021 02:40:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=WMn5TcHWWe7SAyOco4vmuleRE5gtC1z+cxe5bn0dcO8=; b=dq8SfL/jmpFu0I06y6JWBO9ko ieZXijxI3AJ3VuN5GJlepO3YubxIWN8jfI95KliP7/JgA+aH4BHXmSAD3GQSV5vzbOYXjTvYn1lM4 aPUVRBifieGHxHPbuez2ICgXsS6p/Q3XNfxnUWA+mlCnAdfdU9P5W8YhYfAmVyF6hLbnmo0B5PIJ0 U1Ap8Lqy6hTi6PF9NoRYfmi80eHMIUS319egp9yOSxTtOP6FT9o0bnehlEuate8LgHoS7l1S5ift2 +NrofKcbeELsCauWf389LRiUfy5da15qQsogIGNIZGERwtzHsyoYCbS4/hrnf6mAmtGhsfJ59pJs+ mJ7dAUAnQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:46646) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lEra5-0008Oa-SB; Wed, 24 Feb 2021 10:39:45 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1lEra4-0003w6-Fh; Wed, 24 Feb 2021 10:39:44 +0000 Date: Wed, 24 Feb 2021 10:39:44 +0000 From: Russell King - ARM Linux admin To: liang wang Cc: akpm@linux-foundation.org, rppt@kernel.org, geert@linux-m68k.org, penberg@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] [RFC]ARM: ftrace: pause/unpause function graph tracer in cpu_suspend() Message-ID: <20210224103944.GQ1463@shell.armlinux.org.uk> References: <1609738534-14369-1-git-send-email-liang26812@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: Russell King - ARM Linux admin Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 24, 2021 at 06:35:47PM +0800, liang wang wrote: > Hi,all > > ftrace function_graph tracer always cause kernel panic on my ARM device with > multiple CPUs, I found a solution for the problem on ARM64, refers to > the patch above, > I was wondering why this bugfix on ARM64 hasn't been upstreamed to ARM, Patches get applied to the ARM tree after they've been submitted to the patch system. If they don't get submitted to the patch system, then they get buried and forgotten. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!