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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA60BC4345F for ; Sun, 28 Apr 2024 06:56:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 492886B0083; Sun, 28 Apr 2024 02:56:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 441A26B0085; Sun, 28 Apr 2024 02:56:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 309286B0087; Sun, 28 Apr 2024 02:56:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 140376B0083 for ; Sun, 28 Apr 2024 02:56:42 -0400 (EDT) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 856FDA1065 for ; Sun, 28 Apr 2024 06:56:41 +0000 (UTC) X-FDA: 82058032602.11.9C602A2 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf01.hostedemail.com (Postfix) with ESMTP id 41BD640004 for ; Sun, 28 Apr 2024 06:56:38 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=XTZs9sEm; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf01.hostedemail.com: domain of rppt@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1714287400; h=from:from:sender: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:dkim-signature; bh=iBPWhuGUvaukSLwxAUU6f+zE8CG30yAASLV47iB2US8=; b=x2E9tquUPc1+ZBVf+cmoPSYJYV/kUiBMF7yzanBiMOgXhQjtmejHOFdW4DNmDwDBnFNe92 Q+hhybs7JuGBBoIX4pBW005fJF+Se727h8YqWVU9DKnph73dbaSbAcU2G9BW5vPoUuMJu0 y0wy9JQPolQz4ovttwn2a0+OsrzApJw= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=XTZs9sEm; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf01.hostedemail.com: domain of rppt@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1714287400; a=rsa-sha256; cv=none; b=6/QCv138NdEGkCcD8sSMNR6yOldE639o8Jxb74gx8da8L1MKqBpblTKqUOvHaVpcyC/l9Q DNb47oKXlKp93eYiV7ZZhvQ4nm/RHPemBMXRkmX3d3SAlbk00zHcT5Dk7BmHYSGbi51dfs Irae1BjTryPSGRAI8wqr2+1CS7OnPYA= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id C1EA5CE01BD; Sun, 28 Apr 2024 06:56:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 702DBC113CC; Sun, 28 Apr 2024 06:56:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714287393; bh=r0oXOuLVQhCBCby5vRLJpkXcTQDGNz/eiiiW5fCcIdI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XTZs9sEmm6/FaMuCbn9MAi43Dw5JaVHQ6Qo9kJKbgmQydz8t76xJqWvnLhWUbFuTg eamwTb265HrxR6LlvTN02ea5enG0DyL5UUA409iL+FIlWuV8f+cOfIaceW/tsQa49F k2+JGlrBeOuDTKAFlJG+dXckGS6E9qKllGv1lUiwvcOxOHi2PgVOFnk2K6JjT6mOLy 8wMBJhYy7rqcZ88dgAjki/503FzqraXQOZ8LtGXr77oJlvx8mQlCJ0bpcLxvSbj8II FNv6UFgUz6gnk7tZPPzx3XToNx6Luyxbilf/EWAJ9azbxmvqxQI0iy3aMf/86QxAUL 09CFFAwUkdXQQ== Date: Sun, 28 Apr 2024 09:55:02 +0300 From: Mike Rapoport To: Song Liu Cc: linux-kernel@vger.kernel.org, Alexandre Ghiti , Andrew Morton , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Catalin Marinas , Christophe Leroy , "David S. Miller" , Dinh Nguyen , Donald Dutile , Eric Chanudet , Heiko Carstens , Helge Deller , Huacai Chen , Kent Overstreet , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Michael Ellerman , Nadav Amit , Palmer Dabbelt , Peter Zijlstra , Rick Edgecombe , Russell King , Sam Ravnborg , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Will Deacon , bpf@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, netdev@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v6 08/16] mm/execmem, arch: convert remaining overrides of module_alloc to execmem Message-ID: References: <20240426082854.7355-1-rppt@kernel.org> <20240426082854.7355-9-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 41BD640004 X-Stat-Signature: scejb1e44pr8pbmqg344zn5pa54rce17 X-Rspam-User: X-HE-Tag: 1714287398-472795 X-HE-Meta: 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 W4F8Tbfm xRkgZlpg+70xVaKpWijIBp/Y3da8KsOMPUcr137FAs1UG45h0kvmJ/MyiXeWrAarQIve0xKMXWorzAdj5cxKX4MuLbw8ma3KYUzjjOem8jbFs5j7qCbN1oTa+kuw4Sk+k/OmrcUhYn4ec3Quro9KvyNZGGZPV5E2WkYkZf/KnE9e9aUFXfomOI2izFVEvplCM5triAWW/wxh/+RJn2BZ1GgJfalVAtn1EHBJP/cIBwcPZvO/XHf5qc2x9Ai/Bhy7Kl40giIBo5zpJzGS3ZTZC+ge2dWweX1qDUmxLFe3byU8LfaNYLz3/orqP7xs5vwieduWD/MMjqSxgZPZX/3QioxQ7pVA6SMLy/tHm7lrK0NdhQJukFsQyE+FlLF/9ReT9zbjKY9VVhM5lW6Vp8JrgwDUpwh39S8sn01kv/MVCd8X5ayE= 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: List-Subscribe: List-Unsubscribe: On Fri, Apr 26, 2024 at 12:01:34PM -0700, Song Liu wrote: > On Fri, Apr 26, 2024 at 1:30 AM Mike Rapoport wrote: > > > > From: "Mike Rapoport (IBM)" > > > > Extend execmem parameters to accommodate more complex overrides of > > module_alloc() by architectures. > > > > This includes specification of a fallback range required by arm, arm64 > > and powerpc, EXECMEM_MODULE_DATA type required by powerpc, support for > > allocation of KASAN shadow required by s390 and x86 and support for > > late initialization of execmem required by arm64. > > > > The core implementation of execmem_alloc() takes care of suppressing > > warnings when the initial allocation fails but there is a fallback range > > defined. > > > > Signed-off-by: Mike Rapoport (IBM) > > Acked-by: Will Deacon > > nit: We should probably move the logic for ARCH_WANTS_EXECMEM_LATE > to a separate patch. This would require to split arm64 and I prefer to keep all these changes together. > Otherwise, > > Acked-by: Song Liu Thanks! -- Sincerely yours, Mike.