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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B0C4BCD98CE for ; Thu, 11 Jun 2026 13:37:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:References:To: From:Subject:Cc:Message-Id:Date:Content-Type:Content-Transfer-Encoding: Mime-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OuTYoMzmADbLZx5mBuWf/jeTSzrUAeENzv6Lo4hWe+o=; b=PM7k2/yOGt4CRMPFYO5mVOJooZ rNn1eh+GgdYwN5iLPXIbttgI6FHKVOo6vl4FW6PBBIFuK2XDrnmeortljSdu93Fn3cp+gGholgZ6P s1YprpbiXSzMg3AHwcQyG6MON0z3tch+1l7TeZolRrjwJzM3H2rrWggsaZph474f9kc69vzv/adO4 u51ZGvQPyJiEo46awEue7SPTrV9uClbl7w7L26kMYSktfkyJH7KIbXTmzcPJv3KLMoGAQiK5UIJat 2jGa1wpdGmNmBPCt9Qgms+HGOWCf8syEX8achMYvI4WxMWlxwJaJrbq85oiB0dr7miF2vZJF1bhsE mi1dtPXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wXfab-00000009Ww2-0Qvg; Thu, 11 Jun 2026 13:36:57 +0000 Received: from out-170.mta1.migadu.com ([95.215.58.170]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wXfaY-00000009WrO-1ZZs for linux-arm-kernel@lists.infradead.org; Thu, 11 Jun 2026 13:36:55 +0000 Mime-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1781184976; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OuTYoMzmADbLZx5mBuWf/jeTSzrUAeENzv6Lo4hWe+o=; b=tgx5l7fEPJqyKE3EtrMYdNW6Sxds47dKnfzuGanOOuaqz+09uI8JEBtA4tqIpP4uCgwPLq 7UDlQm+/7kJqyHYp327Oly+uc3y7A61cb5UVnK8c+xrAVpSRXfNCpi3jez/PyI9YufDup1 hGu21L2FRpVnZ8eH8wkwbY3pXq9n9/0= Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 11 Jun 2026 13:36:12 +0000 Message-Id: Cc: , "Catalin Marinas" , "Will Deacon" , "Ryan Roberts" , "David Hildenbrand" , "Mike Rapoport (Microsoft)" , "Ard Biesheuvel" , "Christoph Lameter" , "Yang Shi" , "Brendan Jackman" , Subject: Re: [RFC PATCH 1/6] arm64: mm: explicitly declare module and ftrace execmem regions X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: "Brendan Jackman" To: =?utf-8?q?Adrian_Barna=C5=9B?= , References: <20260611130144.1385343-1-abarnas@google.com> <20260611130144.1385343-2-abarnas@google.com> In-Reply-To: <20260611130144.1385343-2-abarnas@google.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260611_063654_560946_3A986D36 X-CRM114-Status: UNSURE ( 7.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu Jun 11, 2026 at 1:01 PM UTC, =3D?UTF-8?q?Adrian=3D20Barna=3DC5=3D9B?= =3D wrote: > Replace the reliance on the EXECMEM_DEFAULT fallback by explicitly defini= ng > the execution memory (execmem) regions for MODULE_TEXT, MODULE_DATA, and > FTRACE in execmem_arch_setup(). Please can you explain in the commit message _why_ you do this. This way reviewers don't have to make a mental note and come back later after reading the rest of the patchset. And once it's commited, it will save readers from having to chase down the contextual commits to figure out what's going on.