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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 DAE22C433E2 for ; Thu, 18 Jun 2020 12:37:24 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B4E912070A for ; Thu, 18 Jun 2020 12:37:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4E912070A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 436846B0078; Thu, 18 Jun 2020 08:37:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3BE816B007D; Thu, 18 Jun 2020 08:37:23 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2AE536B0080; Thu, 18 Jun 2020 08:37:23 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0199.hostedemail.com [216.40.44.199]) by kanga.kvack.org (Postfix) with ESMTP id 1440E6B0078 for ; Thu, 18 Jun 2020 08:37:23 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id CB4EB181ABE84 for ; Thu, 18 Jun 2020 12:37:22 +0000 (UTC) X-FDA: 76942283124.29.wire82_4d06f7926e10 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin29.hostedemail.com (Postfix) with ESMTP id 9E5B018086E2E for ; Thu, 18 Jun 2020 12:37:22 +0000 (UTC) X-HE-Tag: wire82_4d06f7926e10 X-Filterd-Recvd-Size: 1528 Received: from ozlabs.org (ozlabs.org [203.11.71.1]) by imf34.hostedemail.com (Postfix) with ESMTP for ; Thu, 18 Jun 2020 12:37:21 +0000 (UTC) Received: by ozlabs.org (Postfix, from userid 1034) id 49nhKB0y8Qz9sTL; Thu, 18 Jun 2020 22:37:16 +1000 (AEST) From: Michael Ellerman To: Michael Ellerman , Andrew Morton , Mike Rapoport Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Christophe Leroy , Mike Rapoport , linux-mm@kvack.org In-Reply-To: <20200615092229.23142-1-rppt@kernel.org> References: <20200615092229.23142-1-rppt@kernel.org> Subject: Re: [PATCH] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() Message-Id: <159248379681.3471720.4172093587973243088.b4-ty@ellerman.id.au> Date: Thu, 18 Jun 2020 22:37:16 +1000 (AEST) X-Rspamd-Queue-Id: 9E5B018086E2E X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000360, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 15 Jun 2020 12:22:29 +0300, Mike Rapoport wrote: > The pte_update() implementation for PPC_8xx unfolds page table from the PGD > level to access a PMD entry. Since 8xx has only 2-level page table this can > be simplified with pmd_off() shortcut. > > Replace explicit unfolding with pmd_off() and drop defines of pgd_index() > and pgd_offset() that are no longer needed. Applied to powerpc/fixes. [1/1] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() https://git.kernel.org/powerpc/c/687993ccf3b05070598b89fad97410b26d7bc9d2 cheers