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 5C602C433EF for ; Mon, 27 Jun 2022 13:01:21 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E60A48E0001; Mon, 27 Jun 2022 09:01:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E0D2C6B0072; Mon, 27 Jun 2022 09:01:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CAD5E8E0001; Mon, 27 Jun 2022 09:01:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id B7E2C6B0071 for ; Mon, 27 Jun 2022 09:01:20 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay12.hostedemail.com (Postfix) with ESMTP id 85B6F1203BC for ; Mon, 27 Jun 2022 13:01:20 +0000 (UTC) X-FDA: 79624026720.12.789C7CD Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf13.hostedemail.com (Postfix) with ESMTP id C144F200D8 for ; Mon, 27 Jun 2022 13:00:59 +0000 (UTC) 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 80F8061237; Mon, 27 Jun 2022 13:00:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5C9CC341CB; Mon, 27 Jun 2022 13:00:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656334857; bh=hreBI8EgJFm06gBn+LIBkI3qYVbQdetQMsfgmAVbTvc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DcLGnfytx0Fz1gXcLEfUbJS+NsSbmkvSiV1vBZtYodFFjKyugRqV2zK+H4kqnS89j BAL2s1TclOqFwuX8Px9TvtfArm0FafMiUzgAyc0AIT3i6bRmMksDxe16zsuO0RC240 WYPaeyxdLrRUP42ajEz/ScYCgeJvmTN/iFQ2SO472YIJDdufJJxVNBRktBDnpdex3G i1aN7CAmV3aBD/5tZcQZr5VOZqd+oSaZ3VGGRRM+Wi5PKO9amyVquoHEyWMXSootJP Osyo3L8mRBgWhnLf8s/3nneh89YiOViJU+5oYn2ggQwBK5i/ylBYhgZSFPGGSBVdJk Az+KS58lj+lQw== From: Will Deacon To: Kefeng Wang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org, catalin.marinas@arm.com Cc: kernel-team@android.com, Will Deacon , hch@infradead.org, arnd@arndb.de, linux-mm@kvack.org, anshuman.khandual@arm.com Subject: Re: [PATCH v5 0/6] arm64: Cleanup ioremap() and support ioremap_prot() Date: Mon, 27 Jun 2022 14:00:44 +0100 Message-Id: <165632887130.3614125.5739508840825390970.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220607125027.44946-1-wangkefeng.wang@huawei.com> References: <20220607125027.44946-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C144F200D8 Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=DcLGnfyt; spf=temperror (imf13.hostedemail.com: error in processing during lookup of will@kernel.org: DNS error) smtp.mailfrom=will@kernel.org X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: 17ptoujfi7zb3i4p6yqfrcpmiid6dzye X-HE-Tag: 1656334859-823199 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 Tue, 7 Jun 2022 20:50:21 +0800, Kefeng Wang wrote: > 1. Enhance generic ioremap to make it more useful. > 2. Let's arm64 use GENERIC_IOREMAP to cleanup code. > 3. Support HAVE_IOREMAP_PROT on arm64, which enable generic_access_phys(), > it is useful when debug(eg, gdb) via access_process_vm device memory > infrastructure. > > v5: > - break long lines(> 80 cols), per Christoph Hellwig > - move is_vmalloc_addr() check from arm64 into generic ioremap, per > Christoph Hellwig > - make arm64's ioremap_cache as an inline function, per Christoph > - keep changes simple, make ioremap/iounmap_allowed return bool, per > Baoquan He > - simplify use 'void *' instead of 'void __iomem *' in iounmap, then > drop __force annotation > > [...] Applied to arm64 (for-next/ioremap), thanks! [1/6] ARM: mm: kill unused runtime hook arch_iounmap() https://git.kernel.org/arm64/c/d803336abdbc [2/6] mm: ioremap: Use more sensibly name in ioremap_prot() https://git.kernel.org/arm64/c/abc5992b9dd0 [3/6] mm: ioremap: Setup phys_addr of struct vm_struct https://git.kernel.org/arm64/c/a14fff1c0379 [4/6] mm: ioremap: Add ioremap/iounmap_allowed() https://git.kernel.org/arm64/c/18e780b4e6ab [5/6] arm64: mm: Convert to GENERIC_IOREMAP https://git.kernel.org/arm64/c/f23eab0bfaef [6/6] arm64: Add HAVE_IOREMAP_PROT support https://git.kernel.org/arm64/c/893dea9ccd08 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev