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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 CAC35C2D0A3 for ; Fri, 6 Nov 2020 14:30:12 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8CDBA2078B for ; Fri, 6 Nov 2020 14:30:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=suse.com header.i=@suse.com header.b="hOSy8tf6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8CDBA2078B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CSN8J20VMzDqCq for ; Sat, 7 Nov 2020 01:30:08 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=suse.com (client-ip=195.135.220.15; helo=mx2.suse.de; envelope-from=pmladek@suse.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=suse.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256 header.s=susede1 header.b=hOSy8tf6; dkim-atps=neutral Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CSN5Y029bzDrLZ for ; Sat, 7 Nov 2020 01:27:43 +1100 (AEDT) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1604672860; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fneYivF7KPk5Vezwqp16bHvlG7pQia60PP+ozhIKNOI=; b=hOSy8tf6Xv9bxsLj3BRpsgcu/m8tXPh77G9b08Scucev/08pfZ/oZN7WOboqt1Phltz0oY EY+Z7IhgTgZK8/cheL0CPQ+pGMcTvUW7Ysp6ShK8LBZpwqpEn7fzXD6giDnRBpzEP5qAeT BwsA/u4RxQJT0sh1JOGSdIWHppyWK2U= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id CBFB7ABCC; Fri, 6 Nov 2020 14:27:39 +0000 (UTC) Date: Fri, 6 Nov 2020 15:27:38 +0100 From: Petr Mladek To: Steven Rostedt Subject: Re: [PATCH 11/11 v3] ftrace: Add recording of functions that caused recursion Message-ID: <20201106142738.GX20201@alley> References: <20201106023235.367190737@goodmis.org> <20201106023548.102375687@goodmis.org> <20201106131317.GW20201@alley> <20201106084131.7dfc3a30@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201106084131.7dfc3a30@gandalf.local.home> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anton Vorontsov , linux-doc@vger.kernel.org, Peter Zijlstra , Sebastian Andrzej Siewior , Kamalesh Babulal , "James E.J. Bottomley" , Guo Ren , "H. Peter Anvin" , live-patching@vger.kernel.org, Miroslav Benes , Ingo Molnar , linux-s390@vger.kernel.org, Joe Lawrence , Jonathan Corbet , Mauro Carvalho Chehab , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christian Borntraeger , Kees Cook , Vasily Gorbik , Heiko Carstens , Jiri Kosina , Borislav Petkov , Josh Poimboeuf , Thomas Gleixner , Tony Luck , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Masami Hiramatsu , Colin Cross , Paul Mackerras , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri 2020-11-06 08:41:31, Steven Rostedt wrote: > On Fri, 6 Nov 2020 14:13:17 +0100 > Petr Mladek wrote: > > > JFYI, the code reading and writing the cache looks good to me. > > > > It is still possible that some entries might stay unused (filled > > with zeroes) but it should be hard to hit in practice. It > > is good enough from my POV. > > You mean the part that was commented? Yeah, it is the comment problem when nr_records is pushed forward. > > > > I do not give Reviewed-by tag just because I somehow do not have power > > to review the entire patch carefully enough at the moment. > > No problem. Thanks for looking at it. > > I'm adding a link to this thread, so if someone wants proof you helped out > on this code, you can have them follow the links ;-) > > Anyway, even if I push this to linux-next where I stop rebasing code > (because of test coverage), I do rebase for adding tags. So if you ever get > around at looking at this code, I can add that tag later (before the next > merge window), or if you find something, I could fix it with a new patch and > give you a Reported-by. Good to know. Best Regards, Petr