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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 A7C6DC3A59F for ; Mon, 26 Aug 2019 15:56:57 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4CBD6217F5 for ; Mon, 26 Aug 2019 15:56:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4CBD6217F5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CC9CA6B05A8; Mon, 26 Aug 2019 11:56:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C7A336B05A9; Mon, 26 Aug 2019 11:56:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B8F176B05AA; Mon, 26 Aug 2019 11:56:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0201.hostedemail.com [216.40.44.201]) by kanga.kvack.org (Postfix) with ESMTP id 9308A6B05A8 for ; Mon, 26 Aug 2019 11:56:56 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 3F4861F17 for ; Mon, 26 Aug 2019 15:56:56 +0000 (UTC) X-FDA: 75865032432.22.cub50_250dc5fbf201 X-HE-Tag: cub50_250dc5fbf201 X-Filterd-Recvd-Size: 2085 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Mon, 26 Aug 2019 15:56:55 +0000 (UTC) Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 899FD20828; Mon, 26 Aug 2019 15:56:53 +0000 (UTC) Date: Mon, 26 Aug 2019 11:56:51 -0400 From: Steven Rostedt To: Nadav Amit Cc: Peter Zijlstra , Song Liu , LKML , Linux-MM , "kernel-team@fb.com" , "stable@vger.kernel.org" , Thomas Gleixner , Dave Hansen , Andy Lutomirski , Daniel Bristot de Oliveira Subject: Re: [PATCH] x86/mm: Do not split_large_page() for set_kernel_text_rw() Message-ID: <20190826115651.43c9bde3@gandalf.local.home> In-Reply-To: <31AB5512-F083-4DC3-BA73-D5D65CBC410A@vmware.com> References: <20190823052335.572133-1-songliubraving@fb.com> <20190823093637.GH2369@hirez.programming.kicks-ass.net> <20190826073308.6e82589d@gandalf.local.home> <31AB5512-F083-4DC3-BA73-D5D65CBC410A@vmware.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 26 Aug 2019 15:41:24 +0000 Nadav Amit wrote: > > Anyway, I believe Nadav has some patches that converts ftrace to use > > the shadow page modification trick somewhere. > > For the record - here is my previous patch: > https://lkml.org/lkml/2018/12/5/211 FYI, when referencing older patches, please use lkml.kernel.org or lore.kernel.org, lkml.org is slow and obsolete. ie. http://lkml.kernel.org/r/20181205013408.47725-9-namit@vmware.com -- Steve