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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D53C9C43334 for ; Tue, 5 Jul 2022 20:48:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231567AbiGEUsM (ORCPT ); Tue, 5 Jul 2022 16:48:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230344AbiGEUsL (ORCPT ); Tue, 5 Jul 2022 16:48:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEA14CE2B for ; Tue, 5 Jul 2022 13:48:10 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8B17F61C41 for ; Tue, 5 Jul 2022 20:48:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD317C341C7; Tue, 5 Jul 2022 20:48:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1657054090; bh=ZdrJKIIAwMZ95EqoQOW9tv+WFB9QUgAVc964vswU6wE=; h=Date:To:From:Subject:From; b=jK+fsCV2e50/WJwji2IBBrD0RFqNI222RghptiG8Ox0MW7bXuXGA2YdQDVh99ATsR hd4KcXYEhP4QV2Y4Ly0nsKDtQESJQC1YEjCOy3GSIn7sPgcE3JgDVPYn/4v8BfElSe nzE2blKFhbTrkh0iW9u66CRkPxmuqmREPYAr30qw= Date: Tue, 05 Jul 2022 13:48:09 -0700 To: mm-commits@vger.kernel.org, rmk+kernel@armlinux.org.uk, rppt@linux.ibm.com, akpm@linux-foundation.org From: Andrew Morton Subject: + arm-heads-rename-pmd_order-to-pmd_entry_order.patch added to mm-unstable branch Message-Id: <20220705204809.DD317C341C7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: ARM: head.S: rename PMD_ORDER to PMD_ENTRY_ORDER has been added to the -mm mm-unstable branch. Its filename is arm-heads-rename-pmd_order-to-pmd_entry_order.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm-heads-rename-pmd_order-to-pmd_entry_order.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Mike Rapoport Subject: ARM: head.S: rename PMD_ORDER to PMD_ENTRY_ORDER Date: Tue, 5 Jul 2022 18:47:08 +0300 PMD_ORDER denotes order of magnitude for a PMD entry, i.e PMD entry size is 2 ^ PMD_ORDER. Rename PMD_ORDER to PMD_ENTRY_ORDER to allow a generic definition of PMD_ORDER as order of a PMD allocation: (PMD_SHIFT - PAGE_SHIFT). Link: https://lkml.kernel.org/r/20220705154708.181258-16-rppt@kernel.org Signed-off-by: Mike Rapoport Acked-by: Russell King (Oracle) Signed-off-by: Andrew Morton --- arch/arm/kernel/head.S | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) --- a/arch/arm/kernel/head.S~arm-heads-rename-pmd_order-to-pmd_entry_order +++ a/arch/arm/kernel/head.S @@ -38,10 +38,10 @@ #ifdef CONFIG_ARM_LPAE /* LPAE requires an additional page for the PGD */ #define PG_DIR_SIZE 0x5000 -#define PMD_ORDER 3 +#define PMD_ENTRY_ORDER 3 /* PMD entry size is 2^PMD_ENTRY_ORDER */ #else #define PG_DIR_SIZE 0x4000 -#define PMD_ORDER 2 +#define PMD_ENTRY_ORDER 2 #endif .globl swapper_pg_dir @@ -240,7 +240,7 @@ __create_page_tables: mov r6, r6, lsr #SECTION_SHIFT 1: orr r3, r7, r5, lsl #SECTION_SHIFT @ flags + kernel base - str r3, [r4, r5, lsl #PMD_ORDER] @ identity mapping + str r3, [r4, r5, lsl #PMD_ENTRY_ORDER] @ identity mapping cmp r5, r6 addlo r5, r5, #1 @ next section blo 1b @@ -250,7 +250,7 @@ __create_page_tables: * set two variables to indicate the physical start and end of the * kernel. */ - add r0, r4, #KERNEL_OFFSET >> (SECTION_SHIFT - PMD_ORDER) + add r0, r4, #KERNEL_OFFSET >> (SECTION_SHIFT - PMD_ENTRY_ORDER) ldr r6, =(_end - 1) adr_l r5, kernel_sec_start @ _pa(kernel_sec_start) #if defined CONFIG_CPU_ENDIAN_BE8 || defined CONFIG_CPU_ENDIAN_BE32 @@ -259,8 +259,8 @@ __create_page_tables: str r8, [r5] @ Save physical start of kernel (LE) #endif orr r3, r8, r7 @ Add the MMU flags - add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER) -1: str r3, [r0], #1 << PMD_ORDER + add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ENTRY_ORDER) +1: str r3, [r0], #1 << PMD_ENTRY_ORDER add r3, r3, #1 << SECTION_SHIFT cmp r0, r6 bls 1b @@ -280,14 +280,14 @@ __create_page_tables: mov r3, pc mov r3, r3, lsr #SECTION_SHIFT orr r3, r7, r3, lsl #SECTION_SHIFT - add r0, r4, #(XIP_START & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER) - str r3, [r0, #((XIP_START & 0x00f00000) >> SECTION_SHIFT) << PMD_ORDER]! + add r0, r4, #(XIP_START & 0xff000000) >> (SECTION_SHIFT - PMD_ENTRY_ORDER) + str r3, [r0, #((XIP_START & 0x00f00000) >> SECTION_SHIFT) << PMD_ENTRY_ORDER]! ldr r6, =(_edata_loc - 1) - add r0, r0, #1 << PMD_ORDER - add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER) + add r0, r0, #1 << PMD_ENTRY_ORDER + add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ENTRY_ORDER) 1: cmp r0, r6 add r3, r3, #1 << SECTION_SHIFT - strls r3, [r0], #1 << PMD_ORDER + strls r3, [r0], #1 << PMD_ENTRY_ORDER bls 1b #endif @@ -297,10 +297,10 @@ __create_page_tables: */ mov r0, r2, lsr #SECTION_SHIFT cmp r2, #0 - ldrne r3, =FDT_FIXED_BASE >> (SECTION_SHIFT - PMD_ORDER) + ldrne r3, =FDT_FIXED_BASE >> (SECTION_SHIFT - PMD_ENTRY_ORDER) addne r3, r3, r4 orrne r6, r7, r0, lsl #SECTION_SHIFT - strne r6, [r3], #1 << PMD_ORDER + strne r6, [r3], #1 << PMD_ENTRY_ORDER addne r6, r6, #1 << SECTION_SHIFT strne r6, [r3] @@ -319,7 +319,7 @@ __create_page_tables: addruart r7, r3, r0 mov r3, r3, lsr #SECTION_SHIFT - mov r3, r3, lsl #PMD_ORDER + mov r3, r3, lsl #PMD_ENTRY_ORDER add r0, r4, r3 mov r3, r7, lsr #SECTION_SHIFT @@ -349,7 +349,7 @@ __create_page_tables: * If we're using the NetWinder or CATS, we also need to map * in the 16550-type serial port for the debug messages */ - add r0, r4, #0xff000000 >> (SECTION_SHIFT - PMD_ORDER) + add r0, r4, #0xff000000 >> (SECTION_SHIFT - PMD_ENTRY_ORDER) orr r3, r7, #0x7c000000 str r3, [r0] #endif @@ -359,10 +359,10 @@ __create_page_tables: * Similar reasons here - for debug. This is * only for Acorn RiscPC architectures. */ - add r0, r4, #0x02000000 >> (SECTION_SHIFT - PMD_ORDER) + add r0, r4, #0x02000000 >> (SECTION_SHIFT - PMD_ENTRY_ORDER) orr r3, r7, #0x02000000 str r3, [r0] - add r0, r4, #0xd8000000 >> (SECTION_SHIFT - PMD_ORDER) + add r0, r4, #0xd8000000 >> (SECTION_SHIFT - PMD_ENTRY_ORDER) str r3, [r0] #endif #endif _ Patches currently in -mm which might be from rppt@linux.ibm.com are csky-drop-definition-of-pte_order.patch csky-drop-definition-of-pgd_order.patch mips-rename-pud_order-to-pud_table_order.patch mips-drop-definitions-of-pte_order.patch mips-rename-pgd_order-to-pgd_table_order.patch nios2-drop-definition-of-pte_order.patch nios2-drop-definition-of-pgd_order.patch loongarch-drop-definition-of-pte_order.patch loongarch-drop-definition-of-pmd_order.patch loongarch-drop-definition-of-pud_order.patch loongarch-drop-definition-of-pgd_order.patch loongarch-drop-definition-of-pgd_order-v2.patch parisc-rename-pgd_order-to-pgd_table_order.patch xtensa-drop-definition-of-pgd_order.patch arm-heads-rename-pmd_order-to-pmd_entry_order.patch