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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33B7BC7EE2D for ; Mon, 5 Jun 2023 02:53:27 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QZJ853230z3fCF for ; Mon, 5 Jun 2023 12:53:25 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=srs0=ychb=bz=goodmis.org=rostedt@kernel.org; receiver=) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (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 4QZJ7W6MgYz3bNn for ; Mon, 5 Jun 2023 12:52:55 +1000 (AEST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 234C661C4A; Mon, 5 Jun 2023 02:52:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC71FC433EF; Mon, 5 Jun 2023 02:52:46 +0000 (UTC) Date: Sun, 4 Jun 2023 22:52:44 -0400 From: Steven Rostedt To: Nadav Amit Subject: Re: [PATCH 12/13] x86/jitalloc: prepare to allocate exectuatble memory as ROX Message-ID: <20230604225244.65be9103@rorschach.local.home> In-Reply-To: <50D768D7-15BF-43B8-A5FD-220B25595336@gmail.com> References: <20230601101257.530867-1-rppt@kernel.org> <20230601101257.530867-13-rppt@kernel.org> <0f50ac52a5280d924beeb131e6e4717b6ad9fdf7.camel@intel.com> <68b8160454518387c53508717ba5ed5545ff0283.camel@intel.com> <50D768D7-15BF-43B8-A5FD-220B25595336@gmail.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: "chenhuacai@kernel.org" , "catalin.marinas@arm.com" , "linux-kernel@vger.kernel.org" , "song@kernel.org" , "sparclinux@vger.kernel.org" , "linux-riscv@lists.infradead.org" , Will Deacon , "linux-s390@vger.kernel.org" , "deller@gmx.de" , "x86@kernel.org" , "linux@armlinux.org.uk" , "naveen.n.rao@linux.ibm.com" , "linux-trace-kernel@vger.kernel.org" , "hca@linux.ibm.com" , "loongarch@lists.linux.dev" , Thomas Gleixner , Andrew Morton , "linux-arm-kernel@lists.infradead.org" , "tsbogend@alpha.franken.de" , "linux-p arisc@vger.kernel.org" , "linux-mm@kvack.org" , "netdev@vger.kernel.org" , "kent.overstreet@linux.dev" , "linux-mips@vger.kernel.org" , "dinguyen@kernel.org" , "mcgrof@kernel.org" , "palmer@dabbelt.com" , "linux-modules@vger.kernel.org" , "bpf@vger.kernel.org" , "Edgecombe, Rick P" , "linuxppc-dev@lists.ozlabs.org" , "davem@davemloft.net" , "rppt@kernel.org" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 1 Jun 2023 16:54:36 -0700 Nadav Amit wrote: > > The way text_poke() is used here, it is creating a new writable alias > > and flushing it for *each* write to the module (like for each write of > > an individual relocation, etc). I was just thinking it might warrant > > some batching or something. Batching does exist, which is what the text_poke_queue() thing does. -- Steve