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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 21AA4C43381 for ; Fri, 22 Feb 2019 09:48:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDB312086C for ; Fri, 22 Feb 2019 09:48:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726163AbfBVJsk (ORCPT ); Fri, 22 Feb 2019 04:48:40 -0500 Received: from ozlabs.org ([203.11.71.1]:40729 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725836AbfBVJrq (ORCPT ); Fri, 22 Feb 2019 04:47:46 -0500 Received: by ozlabs.org (Postfix, from userid 1034) id 445RN035Q4z9sBp; Fri, 22 Feb 2019 20:47:43 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 78ca1108b10927b3d068c8da91352b0f4cd01fc5 X-Patchwork-Hint: ignore In-Reply-To: To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , joakim.tjernlund@infinera.com From: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [10/10] powerpc/book3s32: Reorder _PAGE_XXX flags to simplify TLB handling Message-Id: <445RN035Q4z9sBp@ozlabs.org> Date: Fri, 22 Feb 2019 20:47:43 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2019-01-25 at 12:34:20 UTC, Christophe Leroy wrote: > For pages without _PAGE_USER, PP field is 00 > For pages with _PAGE_USER, PP field is 10 for RW and 11 for RO. > > This patch sets _PAGE_USER to 0x002 and _PAGE_RW to 0x001 > is order to simplify TLB handling by reducing amount of shifts. > > The location of _PAGE_PRESENT and _PAGE_HASHPTE doesn't matter > as they are only SW related flags. > > Signed-off-by: Christophe Leroy Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/78ca1108b10927b3d068c8da91352b0f cheers