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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 7BEA3C2BB1D for ; Tue, 14 Apr 2020 21:40:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4179520767 for ; Tue, 14 Apr 2020 21:40:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586900436; bh=d82FKWpLnssjAOcXYaBo0CClxMAh/jUf1bGtGiZEUOo=; h=From:To:Cc:Subject:Date:List-ID:From; b=RakFzbs6YxVS9GkP89UgWaMx3MHOLmf1acVZHt/eDUm7OE2LQihNiaDp34RpfZkj5 682J2owO0DA7QfvMWviQduXY9GttttSASEe/FX/qR2N+i6ZIkxwV+aixosC5JBxKpS tOQwo8lm/ChL6i4R3d4TEF6egjtALxYTm6oBWlqU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728646AbgDNVkc (ORCPT ); Tue, 14 Apr 2020 17:40:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:42216 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730101AbgDNVkU (ORCPT ); Tue, 14 Apr 2020 17:40:20 -0400 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1DFFD20767; Tue, 14 Apr 2020 21:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586900420; bh=d82FKWpLnssjAOcXYaBo0CClxMAh/jUf1bGtGiZEUOo=; h=From:To:Cc:Subject:Date:From; b=FCSDzrVdBkadXkDex6hNMDfJwkQi0y/p1fi8RVQ7H0kqBOcCx+6y3YR2Y7tqnzBe/ Xx/LTXu0n+ts3XHC6PtFmODwBOoj6wuQGUCll4bbFUfJgVI0j8E6y2mPFNPgD5atr5 1a5VBEZ83vsO19r65yHlnjhA517ajNivKboVswuE= From: Will Deacon To: linux-kernel@vger.kernel.org Cc: Will Deacon , "David S. Miller" , Peter Zijlstra , Nick Desaulniers , Matt Fleming , sparclinux@vger.kernel.org, kernel-team@android.com Subject: [RESEND PATCH 0/4] Rework sparc32 page-table layout Date: Tue, 14 Apr 2020 22:40:07 +0100 Message-Id: <20200414214011.2699-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This is a reposting of the patch series I sent previously to rework the sparc32 page-table layout so that 'pmd_t' can be used safely with READ_ONCE(): https://lore.kernel.org/lkml/20200324104005.11279-1-will@kernel.org This is blocking the READ_ONCE() rework, which in turn allows us to bump the minimum GCC version for building the kernel up to 4.8. Cheers, Will Cc: "David S. Miller" Cc: Peter Zijlstra Cc: Nick Desaulniers Cc: Matt Fleming Cc: sparclinux@vger.kernel.org Cc: kernel-team@android.com --->8 Will Deacon (4): sparc32: mm: Fix argument checking in __srmmu_get_nocache() sparc32: mm: Restructure sparc32 MMU page-table layout sparc32: mm: Change pgtable_t type to pte_t * instead of struct page * sparc32: mm: Reduce allocation size for PMD and PTE tables arch/sparc/include/asm/page_32.h | 12 ++-- arch/sparc/include/asm/pgalloc_32.h | 11 ++-- arch/sparc/include/asm/pgtable_32.h | 40 +++++++----- arch/sparc/include/asm/pgtsrmmu.h | 36 +---------- arch/sparc/include/asm/viking.h | 5 +- arch/sparc/kernel/head_32.S | 8 +-- arch/sparc/mm/hypersparc.S | 3 +- arch/sparc/mm/srmmu.c | 95 ++++++++++------------------- arch/sparc/mm/viking.S | 5 +- 9 files changed, 85 insertions(+), 130 deletions(-) -- 2.26.0.110.g2183baf09c-goog From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Date: Tue, 14 Apr 2020 21:40:07 +0000 Subject: [RESEND PATCH 0/4] Rework sparc32 page-table layout Message-Id: <20200414214011.2699-1-will@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Will Deacon , "David S. Miller" , Peter Zijlstra , Nick Desaulniers , Matt Fleming , sparclinux@vger.kernel.org, kernel-team@android.com Hi all, This is a reposting of the patch series I sent previously to rework the sparc32 page-table layout so that 'pmd_t' can be used safely with READ_ONCE(): https://lore.kernel.org/lkml/20200324104005.11279-1-will@kernel.org This is blocking the READ_ONCE() rework, which in turn allows us to bump the minimum GCC version for building the kernel up to 4.8. Cheers, Will Cc: "David S. Miller" Cc: Peter Zijlstra Cc: Nick Desaulniers Cc: Matt Fleming Cc: sparclinux@vger.kernel.org Cc: kernel-team@android.com --->8 Will Deacon (4): sparc32: mm: Fix argument checking in __srmmu_get_nocache() sparc32: mm: Restructure sparc32 MMU page-table layout sparc32: mm: Change pgtable_t type to pte_t * instead of struct page * sparc32: mm: Reduce allocation size for PMD and PTE tables arch/sparc/include/asm/page_32.h | 12 ++-- arch/sparc/include/asm/pgalloc_32.h | 11 ++-- arch/sparc/include/asm/pgtable_32.h | 40 +++++++----- arch/sparc/include/asm/pgtsrmmu.h | 36 +---------- arch/sparc/include/asm/viking.h | 5 +- arch/sparc/kernel/head_32.S | 8 +-- arch/sparc/mm/hypersparc.S | 3 +- arch/sparc/mm/srmmu.c | 95 ++++++++++------------------- arch/sparc/mm/viking.S | 5 +- 9 files changed, 85 insertions(+), 130 deletions(-) -- 2.26.0.110.g2183baf09c-goog