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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 CE976C433DF for ; Wed, 3 Jun 2020 23:03:44 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 90D1122228 for ; Wed, 3 Jun 2020 23:03:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="tkDJiw86" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90D1122228 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3A6FF280088; Wed, 3 Jun 2020 19:03:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3304728006C; Wed, 3 Jun 2020 19:03:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2472A280088; Wed, 3 Jun 2020 19:03:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0192.hostedemail.com [216.40.44.192]) by kanga.kvack.org (Postfix) with ESMTP id 0128828006C for ; Wed, 3 Jun 2020 19:03:43 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BE868181AEF09 for ; Wed, 3 Jun 2020 23:03:43 +0000 (UTC) X-FDA: 76889429526.28.mom48_3d9724df77939 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id 9D4CB6C02 for ; Wed, 3 Jun 2020 23:03:43 +0000 (UTC) X-HE-Tag: mom48_3d9724df77939 X-Filterd-Recvd-Size: 4298 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Wed, 3 Jun 2020 23:03:43 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BC71722255; Wed, 3 Jun 2020 23:03:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591225422; bh=AjABOyjz38hnO9OoYyYlzoFM1VDqojRalmZPAo/hfso=; h=Date:From:To:Subject:In-Reply-To:From; b=tkDJiw86zFVZ7QFpahBz56NZOmc6p41tuKBnu7OyxV1t62sFeii6tCCDp/6WR+17Z HbuCSOKjwO7u/PL+7yDl100EB2mB+Hwz2DynfI/6Bl3L1CPr/N6NDzhaYHwL77J+v9 GwIYF+fVVqLvkKiRYP5fmVo8qlWGSRMxOrSeWO6o= Date: Wed, 03 Jun 2020 16:03:41 -0700 From: Andrew Morton To: akpm@linux-foundation.org, anshuman.khandual@arm.com, benh@kernel.crashing.org, bp@alien8.de, catalin.marinas@arm.com, dave.hansen@linux.intel.com, hpa@zytor.com, linux-mm@kvack.org, linux@armlinux.org.uk, luto@kernel.org, mingo@redhat.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paulus@samba.org, peterz@infradead.org, rostedt@goodmis.org, tglx@linutronix.de, torvalds@linux-foundation.org, tsbogend@alpha.franken.de, vgupta@synopsys.com, will@kernel.org Subject: [patch 125/131] powerpc/mm: drop platform defined pmd_mknotpresent() Message-ID: <20200603230341._b4SNc_Z5%akpm@linux-foundation.org> In-Reply-To: <20200603155549.e041363450869eaae4c7f05b@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 9D4CB6C02 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: From: Anshuman Khandual Subject: powerpc/mm: drop platform defined pmd_mknotpresent() Patch series "mm/thp: Rename pmd_mknotpresent() as pmd_mknotvalid()", v2. This series renames pmd_mknotpresent() as pmd_mknotvalid(). Before that it drops an existing pmd_mknotpresent() definition from powerpc platform which was never required as it defines it's pmdp_invalidate() through subscribing __HAVE_ARCH_PMDP_INVALIDATE. This does not create any functional change. This rename was suggested by Catalin during a previous discussion while we were trying to change the THP helpers on arm64 platform for migration. https://patchwork.kernel.org/patch/11019637/ This patch (of 2): Platform needs to define pmd_mknotpresent() for generic pmdp_invalidate() only when __HAVE_ARCH_PMDP_INVALIDATE is not subscribed. Otherwise platform specific pmd_mknotpresent() is not required. Hence just drop it. Link: http://lkml.kernel.org/r/1587520326-10099-1-git-send-email-anshuman.khandual@arm.com Link: http://lkml.kernel.org/r/1584680057-13753-1-git-send-email-anshuman.khandual@arm.com Link: http://lkml.kernel.org/r/1584680057-13753-2-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Paul Mackerras Cc: Vineet Gupta Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Thomas Bogendoerfer Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: Steven Rostedt Cc: Dave Hansen Cc: Andy Lutomirski Cc: Peter Zijlstra Signed-off-by: Andrew Morton --- arch/powerpc/include/asm/book3s/64/pgtable.h | 4 ---- 1 file changed, 4 deletions(-) --- a/arch/powerpc/include/asm/book3s/64/pgtable.h~powerpc-mm-drop-platform-defined-pmd_mknotpresent +++ a/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1168,10 +1168,6 @@ static inline int pmd_large(pmd_t pmd) return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); } -static inline pmd_t pmd_mknotpresent(pmd_t pmd) -{ - return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -} /* * For radix we should always find H_PAGE_HASHPTE zero. Hence * the below will work for radix too _