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 83B89C48BC4 for ; Thu, 15 Feb 2024 18:35:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 192246B006E; Thu, 15 Feb 2024 13:35:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 142CE6B008C; Thu, 15 Feb 2024 13:35:18 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 032356B0093; Thu, 15 Feb 2024 13:35:17 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id E67C56B008C for ; Thu, 15 Feb 2024 13:35:17 -0500 (EST) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id B3F48A0F1B for ; Thu, 15 Feb 2024 18:35:17 +0000 (UTC) X-FDA: 81794890674.06.E1544AF Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf28.hostedemail.com (Postfix) with ESMTP id 4BC88C0011 for ; Thu, 15 Feb 2024 18:35:16 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf28.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1708022116; 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: in-reply-to:in-reply-to:references:references; bh=ai7D/yT1PotAwMZ1rMsrW3MuMbV58ggSlnp3SEBBrHw=; b=ahvWg66lGb6d5lOZlKETk5S1Qo2mTTsRL48ThICQIwD8zRGayTtMvzygroj0XlZamiMsdF NUfPohLovLXwpUbTbO6UotPQY97nRiL+sCiW4Bd1cVqldJl0kMrB4TsTQJ1MkO/2T+BFcX EhUlSGXlVSeH82gDoOKnZvpBel9QyJ8= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf28.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1708022116; a=rsa-sha256; cv=none; b=p0ZzkxbHZiUhHEdZdms104HLe39m51DLImvFkHxHclyJk5E05pZMVWapbf+oAokE711cRh 6yEBK5y1d0FpllCuQCzPxUL3iF0kYD//dmUpmRGuhVc+pm5lufS/w5cGTY5LA+B83CYTXz fjLyN8e7dpWIrWWs+GJpKNNrcycP0GI= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 43E0560FC9; Thu, 15 Feb 2024 18:35:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1EE5DC433F1; Thu, 15 Feb 2024 18:35:09 +0000 (UTC) Date: Thu, 15 Feb 2024 18:35:07 +0000 From: Catalin Marinas To: Ryan Roberts Cc: Will Deacon , Ard Biesheuvel , Marc Zyngier , James Morse , Andrey Ryabinin , Andrew Morton , Matthew Wilcox , Mark Rutland , David Hildenbrand , Kefeng Wang , John Hubbard , Zi Yan , Barry Song <21cnbao@gmail.com>, Alistair Popple , Yang Shi , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 09/18] arm64/mm: Convert ptep_clear() to ptep_get_and_clear() Message-ID: References: <20240215103205.2607016-1-ryan.roberts@arm.com> <20240215103205.2607016-10-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240215103205.2607016-10-ryan.roberts@arm.com> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 4BC88C0011 X-Stat-Signature: t1x8hszqmp9gurz9rx8i88yiry3cmwqa X-HE-Tag: 1708022116-75386 X-HE-Meta: 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 gBQKcF/a SHwIza+kw+hHRHdXFCcikLqe8iAzL6fJLbH3FnSnpiXRl0IDhzXmWK5GoDjBcKDQrsT2Brig8+1czoe6QocZCOmaEGK05+i3tE0Klj/XtC0SKXnjn//BZOTMnItYRRRQ9d6p7DkLyDMhCs4duCV86qqlwYD6UwlfJZsz3 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 Thu, Feb 15, 2024 at 10:31:56AM +0000, Ryan Roberts wrote: > ptep_clear() is a generic wrapper around the arch-implemented > ptep_get_and_clear(). We are about to convert ptep_get_and_clear() into > a public version and private version (__ptep_get_and_clear()) to support > the transparent contpte work. We won't have a private version of > ptep_clear() so let's convert it to directly call ptep_get_and_clear(). > > Tested-by: John Hubbard > Signed-off-by: Ryan Roberts Acked-by: Catalin Marinas