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=unavailable 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 06020C43381 for ; Fri, 22 Feb 2019 10:10:24 +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 ADFDD2075C for ; Fri, 22 Feb 2019 10:10:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADFDD2075C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 445Rt54WX3zDqVf for ; Fri, 22 Feb 2019 21:10:21 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 445RN05MxpzDqH3 for ; Fri, 22 Feb 2019 20:47:44 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au 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 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) 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 Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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