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 4AD88C282EC for ; Tue, 18 Mar 2025 05:56:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4bRckNhjjE5iZo3QBeEySwPoVgurOwdH1LnDXB/YAYM=; b=mFBQ32EHLSbaGKQ7EAGCsaaLJP mG3vmiffaUUsnfSaJ32x2DCK2KMVCKnp54mCkwk0EOaqtStIMTDvpA8sGY5jkruJ+XgefN6iWWYWv skTrrYBAxfJTrhqsdzfQZ41cv+45AKAuyjEy4RZD2I1+3dsfng+Jg/OeWZVDSrVNUK36TIUkzmAZl Tn++cnJvnWpQ8fvZrznSifgos1AhwB545flQVUjt5IqRgzS1cFW2L3ueAG962lD7UrEsDsH+JRwR/ H1fkLCCUBme4CJEji9vwvveYJYBfsTNl6fk3q9Vhyc7H3eh/0npndycB4Ly79zzGdQM5lk60l0UF1 kLh09Fdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tuPwM-00000004llP-3dea; Tue, 18 Mar 2025 05:56:38 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tuPue-00000004lYG-43V0 for linux-arm-kernel@lists.infradead.org; Tue, 18 Mar 2025 05:54:54 +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 CD1A0152B; Mon, 17 Mar 2025 22:54:59 -0700 (PDT) Received: from [10.163.44.33] (unknown [10.163.44.33]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B70BA3F63F; Mon, 17 Mar 2025 22:54:48 -0700 (PDT) Message-ID: <9abeecc3-2b19-43ba-8619-ea286d54db8e@arm.com> Date: Tue, 18 Mar 2025 11:24:45 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] arm64/mm/hotplug: Drop some redundant WARN_ON() To: linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ard Biesheuvel , Ryan Roberts , Mark Rutland , linux-kernel@vger.kernel.org References: <20250221094449.1188427-1-anshuman.khandual@arm.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: <20250221094449.1188427-1-anshuman.khandual@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250317_225453_053708_9A4CCD55 X-CRM114-Status: UNSURE ( 9.06 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/21/25 15:14, Anshuman Khandual wrote: > This series drops some redundant WARN_ON() tests which are not required any > more while unmapping and freeing up kernel page table pages during a memory > hot remove operation. > > This series applies on v6.14-rc3 > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Ard Biesheuvel > Cc: Ryan Roberts > Cc: Mark Rutland > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > > Anshuman Khandual (2): > arm64/mm/hotplug: Drop redundant [pgd|p4d]_present() > arm64/mm/hotplug: Replace pxx_present() with pxx_valid() > > arch/arm64/mm/mmu.c | 14 +++++--------- > 1 file changed, 5 insertions(+), 9 deletions(-) > Gentle ping, any updates on this series ? This simplifies WARN_ON() checks during memory hotplug operation, after subsequent changes to page table helpers such as pxd_present() etc.