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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 4C00CC2D0E4 for ; Tue, 17 Nov 2020 10:28:54 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CF13720E65 for ; Tue, 17 Nov 2020 10:28:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="EkcUKO1b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CF13720E65 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4Cb2Gp3DGCzDqV8 for ; Tue, 17 Nov 2020 21:28:50 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linuxfoundation.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=gregkh@linuxfoundation.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=EkcUKO1b; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Cb2Dz6fLjzDqQV for ; Tue, 17 Nov 2020 21:27:13 +1100 (AEDT) Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 63E6E22202; Tue, 17 Nov 2020 10:27:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605608830; bh=suTWvoLJ55Ut1FqBR7Xy/ItUlnZJmBkmEfCbJxX1yR4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EkcUKO1bbVjQJmBvMV2pyTcBInGMm4m9iRqXrWXX5MRwMzD4VKEJWrR5yl0v5j9Sy Qa1rzwANDRKu7H4ErZmJG58j71EYDkX2HDFXurin6kop5cauF87/7wX2YozUgklB0a z2dJKsQwsSvH2ihf5/fVQEJrhFt13eByVTt2qwUU= Date: Tue, 17 Nov 2020 11:27:58 +0100 From: Greg KH To: Christophe Leroy Subject: Re: [PATCH for 5.4] powerpc/603: Always fault when _PAGE_ACCESSED is not set Message-ID: References: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Nov 09, 2020 at 05:40:52PM +0000, Christophe Leroy wrote: > [That is backport of 11522448e641e8f1690c9db06e01985e8e19b401 to linux 5.4] > > The kernel expects pte_young() to work regardless of CONFIG_SWAP. > > Make sure a minor fault is taken to set _PAGE_ACCESSED when it > is not already set, regardless of the selection of CONFIG_SWAP. > > Fixes: 84de6ab0e904 ("powerpc/603: don't handle PAGE_ACCESSED in TLB miss handlers.") > Cc: stable@vger.kernel.org > Signed-off-by: Christophe Leroy > Signed-off-by: Michael Ellerman > Link: https://lore.kernel.org/r/a44367744de54e2315b2f1a8cbbd7f88488072e0.1602342806.git.christophe.leroy@csgroup.eu > --- > arch/powerpc/kernel/head_32.S | 12 ------------ > 1 file changed, 12 deletions(-) Both backports now queued up, thanks. greg k-h 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=-6.8 required=3.0 tests=BAYES_00,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 AC181C5519F for ; Tue, 17 Nov 2020 10:27:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5282B22202 for ; Tue, 17 Nov 2020 10:27:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="EkcUKO1b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726594AbgKQK1K (ORCPT ); Tue, 17 Nov 2020 05:27:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:50540 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725774AbgKQK1K (ORCPT ); Tue, 17 Nov 2020 05:27:10 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 63E6E22202; Tue, 17 Nov 2020 10:27:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605608830; bh=suTWvoLJ55Ut1FqBR7Xy/ItUlnZJmBkmEfCbJxX1yR4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EkcUKO1bbVjQJmBvMV2pyTcBInGMm4m9iRqXrWXX5MRwMzD4VKEJWrR5yl0v5j9Sy Qa1rzwANDRKu7H4ErZmJG58j71EYDkX2HDFXurin6kop5cauF87/7wX2YozUgklB0a z2dJKsQwsSvH2ihf5/fVQEJrhFt13eByVTt2qwUU= Date: Tue, 17 Nov 2020 11:27:58 +0100 From: Greg KH To: Christophe Leroy Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH for 5.4] powerpc/603: Always fault when _PAGE_ACCESSED is not set Message-ID: References: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 09, 2020 at 05:40:52PM +0000, Christophe Leroy wrote: > [That is backport of 11522448e641e8f1690c9db06e01985e8e19b401 to linux 5.4] > > The kernel expects pte_young() to work regardless of CONFIG_SWAP. > > Make sure a minor fault is taken to set _PAGE_ACCESSED when it > is not already set, regardless of the selection of CONFIG_SWAP. > > Fixes: 84de6ab0e904 ("powerpc/603: don't handle PAGE_ACCESSED in TLB miss handlers.") > Cc: stable@vger.kernel.org > Signed-off-by: Christophe Leroy > Signed-off-by: Michael Ellerman > Link: https://lore.kernel.org/r/a44367744de54e2315b2f1a8cbbd7f88488072e0.1602342806.git.christophe.leroy@csgroup.eu > --- > arch/powerpc/kernel/head_32.S | 12 ------------ > 1 file changed, 12 deletions(-) Both backports now queued up, thanks. greg k-h