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 5D6AB10706FE for ; Sat, 14 Mar 2026 19:52:59 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=oiOJoFUw+Hyic1c78IIqHGXE+74cb7sOJmmgItlPy5A=; b=fk6Od6Qh+1+0DJY4dhLpB5PjVb TayJoA1Plam1RpPED4kQEY4YkK2RRqHI8DGbKWMVbmQCr8qP5kyu9DL8ob1lnMySlFHC4Wn3o5P1A VHC2wQBVAmcUDgTCy8QbEdYmzpbgkC4k3MaGyHMURl1VdUHoHaOW6Xq7CMNhZSYv0kAVJooZ5WpDJ jbvK7ftgTcXLeF9BnhLVqHznjuEoufvw7H/AnpbA+TA/I0MvfaCrDgDSalHyU4DAd775BQ1Vtdz68 EpjGsriTbx4N57q9JgUz+Dva8upXW0L+fHM0uJMqS/140+iKLxdrcBMs13TtCrOCiXD28lvK6J4a7 Iv4L63hg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w1V2Z-000000027jr-1blI; Sat, 14 Mar 2026 19:52:51 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w1V2V-000000027jU-1ZId for linux-arm-kernel@lists.infradead.org; Sat, 14 Mar 2026 19:52:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=oiOJoFUw+Hyic1c78IIqHGXE+74cb7sOJmmgItlPy5A=; b=audYKytx6H6NiRokYT2ySXaNhA gtgvys4WuAAWpjvQgjH7WGQaqXvxwlof+myParFA0qFr7D/buY8r5fuE/rtHPLsmfL/J+RI1JiTHd jPmQgUUhSu6tg250OpkO9Bt00CSM/CyXEagiq9tlReuJmCOM+w3A4KOwRB6OAJpz3BfZ1aJo5kMHL 55uGRuyOM5K9hMIy4LX8XTRxHBRKmJOFzeQfKdVhJwF1e7IXCBVEaqGvhmHK2aLoJUxJhEHACVwVL JVRw2dlDhcuwVPQOAei9BMPyP+AvhOhRpQvA18cC/UpufEi6UMldln32FmYu7pq2W/aI9xPy4h35x BR89FqSw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:42084) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w1V2R-000000002Q5-3jnz; Sat, 14 Mar 2026 19:52:44 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1w1V2Q-0000000013C-1Av5; Sat, 14 Mar 2026 19:52:42 +0000 Date: Sat, 14 Mar 2026 19:52:42 +0000 From: "Russell King (Oracle)" To: Wang YanQing Cc: akpm@linux-foundation.org, willy@infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm: lpae: fix non-atomic page table entry update issue Message-ID: References: <20260314175958.GA7956@udknight> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260314175958.GA7956@udknight> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260314_125247_433990_926C8E8D X-CRM114-Status: UNSURE ( 6.10 ) 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 Sun, Mar 15, 2026 at 01:59:58AM +0800, Wang YanQing wrote: > > The ARM Architecture Reference Manual explicitly dictates that writes of 64-bit > translation table descriptors must be single-copy atomic Please provide a documentation reference. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!