Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp545183ybv; Wed, 19 Feb 2020 04:41:36 -0800 (PST) X-Google-Smtp-Source: APXvYqzKORJuw03UGyKSkdujmHL74bM/XsHkZUa4UoF9obLyBtdMC1aBkc1QksMy5D2qgXLZ7Jgp X-Received: by 2002:a05:6808:5d1:: with SMTP id d17mr2052824oij.129.1582116096034; Wed, 19 Feb 2020 04:41:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582116096; cv=none; d=google.com; s=arc-20160816; b=c9xmnDPzo7Fjo6+Mjo+lv3zqmwquStWlzEP/a0uSAVgkjAjZquUL6NIbDHJ2xdMh42 zevcP72/rJlPZn6uLo3UBkmxidMiNTFDnTjBOBKyVLHRfvJlSzid/a8V9zKA8C+8OtC3 QqO3qmiUmwjA3W9+1v0zCBY/Jrg2IRR2tIgvi4gUeK/PZAfi4vL06sc/zpjANQ1YU/L/ vsUj/i1wc8wws79kShs//s7fKfDGlRAvt20tRrVOXV++7ds8F2gwpYm5qwwLqev+cJWO vLJZJQPqsCgtL81CFyKM7jCvbkNVwhVCmyuBzLmo38BGqDhQIZ8FDgEvytoX1ak6973U FO4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:message-id:subject:cc:from:to :in-reply-to; bh=Biddlcymn+LG7aMQ/uYIqX276Fr+82LKhC12hjLYwkc=; b=zhhzQR06asFpRPXEmxV0RFe1Nvx/jHR+20xwctsYRhmsX3u8elxvRJhM7uA1S579+/ tpAM0ZAF1s0f5ppne2C8AtqivX3vBd3egI0TkrGwtRAQpsWraPNjcTMsONsAXLCcDiDM +RJdWJAW7Q0G3wI/TzfUR4CQ1e/fjI9+gC6lXlBJNH8NBcyAB8RW2H5AlxLSxEhVJ1Ow ErnvPkAQtnUF6PeeFCVqd8QYtM1eK2AioTpLG34xeQ8Xjte4Hu6Z2obubFVv5IEkdzaV M8oUl4ldCTGYB4QTveZnHuKk4fdDgZHr/F6+EpqGEdPdCLgeYNkCn4kfLk35TB9dihoR R76w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v18si1021217otn.174.2020.02.19.04.41.24; Wed, 19 Feb 2020 04:41:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727789AbgBSMj6 (ORCPT + 99 others); Wed, 19 Feb 2020 07:39:58 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:51195 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727697AbgBSMj4 (ORCPT ); Wed, 19 Feb 2020 07:39:56 -0500 Received: by ozlabs.org (Postfix, from userid 1034) id 48My3Z3flnz9sSP; Wed, 19 Feb 2020 23:39:53 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 50a175dd18de7a647e72aca7daf4744e3a5a81e3 In-Reply-To: <778b1a248c4c7ca79640eeff7740044da6a220a0.1581264115.git.christophe.leroy@c-s.fr> To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , aneesh.kumar@linux.ibm.com From: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] powerpc/hugetlb: Fix 8M hugepages on 8xx Message-Id: <48My3Z3flnz9sSP@ozlabs.org> Date: Wed, 19 Feb 2020 23:39:53 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2020-02-09 at 16:02:41 UTC, Christophe Leroy wrote: > With HW assistance all page tables must be 4k aligned, the 8xx > drops the last 12 bits during the walk. > > Redefine HUGEPD_SHIFT_MASK to mask last 12 bits out. > HUGEPD_SHIFT_MASK is used to for alignment of page table cache. > > Fixes: 22569b881d37 ("powerpc/8xx: Enable 8M hugepage support with HW assistance") > Cc: stable@vger.kernel.org > Signed-off-by: Christophe Leroy Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/50a175dd18de7a647e72aca7daf4744e3a5a81e3 cheers