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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_RED 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 E11BFC433E0 for ; Sun, 24 Jan 2021 05:03:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE4B3227BF for ; Sun, 24 Jan 2021 05:03:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726510AbhAXFDJ (ORCPT ); Sun, 24 Jan 2021 00:03:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:47570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726056AbhAXFCy (ORCPT ); Sun, 24 Jan 2021 00:02:54 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id A825322581; Sun, 24 Jan 2021 05:02:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1611464533; bh=T4q9YEL/6jZaAbHkuu1euTC6Q7+X18nkKwi303F/SeE=; h=Date:From:To:Subject:In-Reply-To:From; b=Z681rynWkaf3DG+vP8Q2SJOjnDHKbPlFaioJao7gHTZTk4+XHYgBYsU0bRoesvRCf 7ROu1upSz2C911AWmTGa/VngQ22gco0YbfoGd19AqpEwB1+WWU4+V2dpLp7sGNX49g 5xTwKOkQpiNEejDR8z08i+oA26Qng9sDF3K2wxu0= Date: Sat, 23 Jan 2021 21:02:11 -0800 From: Andrew Morton To: akpm@linux-foundation.org, andreas@gaisler.com, davem@davemloft.net, linux-mm@kvack.org, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paul@crapouillou.net, peterz@infradead.org, tglx@linutronix.de, torvalds@linux-foundation.org, tsbogend@alpha.franken.de Subject: [patch 17/19] powerpc/mm/highmem: use __set_pte_at() for kmap_local() Message-ID: <20210124050211.iTnzvLhNR%akpm@linux-foundation.org> In-Reply-To: <20210123210029.a7c704d0cab204683e41ad10@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Thomas Gleixner Subject: powerpc/mm/highmem: use __set_pte_at() for kmap_local() The original PowerPC highmem mapping function used __set_pte_at() to denote that the mapping is per CPU. This got lost with the conversion to the generic implementation. Override the default map function. Link: https://lkml.kernel.org/r/20210112170411.281464308@linutronix.de Fixes: 47da42b27a56 ("powerpc/mm/highmem: Switch to generic kmap atomic") Signed-off-by: Thomas Gleixner Cc: Michael Ellerman Cc: Andreas Larsson Cc: "David S. Miller" Cc: Paul Cercueil Cc: Peter Zijlstra Cc: Thomas Bogendoerfer Signed-off-by: Andrew Morton --- arch/powerpc/include/asm/highmem.h | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/powerpc/include/asm/highmem.h~powerpc-mm-highmem-use-__set_pte_at-for-kmap_local +++ a/arch/powerpc/include/asm/highmem.h @@ -58,6 +58,8 @@ extern pte_t *pkmap_page_table; #define flush_cache_kmaps() flush_cache_all() +#define arch_kmap_local_set_pte(mm, vaddr, ptep, ptev) \ + __set_pte_at(mm, vaddr, ptep, ptev, 1) #define arch_kmap_local_post_map(vaddr, pteval) \ local_flush_tlb_page(NULL, vaddr) #define arch_kmap_local_post_unmap(vaddr) \ _