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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D9D68C4829E for ; Thu, 15 Feb 2024 11:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/wsVlcARp+GYToOz0ZvZlPuD4yjNXqH69JqjyF3X0lE=; b=ghhywpTcaFEHWN 0XyDtzJg3T+xYAsXmLqNNv92/jIL0PkYxsynEmvfzyvkOIsnvl/ZDDQaaNV6T4YY6yKNspJpXgb9j ZvP26dTWyYg+a2OtZielyItHh4oblxwoRISpAxt5hruckISamqTo4jIlBQkmmebc+VxHOD1eYUh/I 2jv1B3SgOh4kg8T91f9SsW6RTx7S1Q2pAqwaCysMf7xUEjK52WnsDNEcMHGG57oPIg5sRoDQYbYkh TJPpYt19CgIN3eKDlw2pBKt76WsZx/fPOSuI65hs7UDCMGs3ONZbJUeSMxD1oQqWxZ45+F8dqYtwy y9ZCI1zUrO4rJSfRfC6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raZn6-0000000G0Ut-0tmv; Thu, 15 Feb 2024 11:20:32 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raZn3-0000000G0Tb-1N63 for linux-arm-kernel@lists.infradead.org; Thu, 15 Feb 2024 11:20:30 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 816FD150C; Thu, 15 Feb 2024 03:21:08 -0800 (PST) Received: from FVFF77S0Q05N (unknown [10.57.68.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 045423F7B4; Thu, 15 Feb 2024 03:20:23 -0800 (PST) Date: Thu, 15 Feb 2024 11:20:21 +0000 From: Mark Rutland To: Ryan Roberts Cc: Catalin Marinas , Will Deacon , Ard Biesheuvel , Marc Zyngier , James Morse , Andrey Ryabinin , Andrew Morton , Matthew Wilcox , 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-Disposition: inline In-Reply-To: <20240215103205.2607016-10-ryan.roberts@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240215_032029_436551_3E804553 X-CRM114-Status: GOOD ( 18.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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: Mark Rutland Mark. > --- > arch/arm64/mm/hugetlbpage.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c > index 27f6160890d1..48e8b429879d 100644 > --- a/arch/arm64/mm/hugetlbpage.c > +++ b/arch/arm64/mm/hugetlbpage.c > @@ -229,7 +229,7 @@ static void clear_flush(struct mm_struct *mm, > unsigned long i, saddr = addr; > > for (i = 0; i < ncontig; i++, addr += pgsize, ptep++) > - ptep_clear(mm, addr, ptep); > + ptep_get_and_clear(mm, addr, ptep); > > flush_tlb_range(&vma, saddr, addr); > } > -- > 2.25.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel