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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 A5C57C433DF for ; Mon, 8 Jun 2020 04:42:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6B59B20884 for ; Mon, 8 Jun 2020 04:42:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="U/QcnazN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B59B20884 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0FB496B00C2; Mon, 8 Jun 2020 00:42:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0AE766B00C3; Mon, 8 Jun 2020 00:42:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F2DA26B00C4; Mon, 8 Jun 2020 00:42:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0184.hostedemail.com [216.40.44.184]) by kanga.kvack.org (Postfix) with ESMTP id D8E9D6B00C2 for ; Mon, 8 Jun 2020 00:42:39 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9941780422AC for ; Mon, 8 Jun 2020 04:42:39 +0000 (UTC) X-FDA: 76904798838.01.week75_210ba2526db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin01.hostedemail.com (Postfix) with ESMTP id 75762180238D0 for ; Mon, 8 Jun 2020 04:42:39 +0000 (UTC) X-HE-Tag: week75_210ba2526db7 X-Filterd-Recvd-Size: 3575 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf14.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:42:39 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3862D2087E; Mon, 8 Jun 2020 04:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591358; bh=j8VESs6jYvyftVyEpanMKbNsu3Jw8sABnmiKOpWIR/w=; h=Date:From:To:Subject:In-Reply-To:From; b=U/QcnazN85pMokMtGOehzhTcqMJxm7QXpxEJuV9nnxCJf+5VuKlteZBCIXGxajzan nlelbQcGGJjoDj2W+x+xd/U2uSLjbFUzfMMVQm65a0Nn8y1NTF3AEOVRmu4lEsavgG fSmjM5UBXRfT0OEFiBjaFk42NFaWZ5WcJiqpoypk= Date: Sun, 07 Jun 2020 21:42:37 -0700 From: Andrew Morton To: akpm@linux-foundation.org, geert@linux-m68k.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 48/54] m68k: implement flush_icache_user_range Message-ID: <20200608044237.riKYQbjpp%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 75762180238D0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Christoph Hellwig Subject: m68k: implement flush_icache_user_range Rename the current flush_icache_range to flush_icache_user_range as per commit ae92ef8a4424 ("PATCH] flush icache in correct context") there seems to be an assumption that it operates on user addresses. Add a flush_icache_range around it that for now is a no-op. Link: http://lkml.kernel.org/r/20200515143646.3857579-25-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Geert Uytterhoeven Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton --- arch/m68k/include/asm/cacheflush_mm.h | 2 ++ arch/m68k/mm/cache.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) --- a/arch/m68k/include/asm/cacheflush_mm.h~m68k-implement-flush_icache_user_range +++ a/arch/m68k/include/asm/cacheflush_mm.h @@ -257,6 +257,8 @@ static inline void __flush_page_to_ram(v extern void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len); extern void flush_icache_range(unsigned long address, unsigned long endaddr); +extern void flush_icache_user_range(unsigned long address, + unsigned long endaddr); static inline void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, --- a/arch/m68k/mm/cache.c~m68k-implement-flush_icache_user_range +++ a/arch/m68k/mm/cache.c @@ -73,7 +73,7 @@ static unsigned long virt_to_phys_slow(u /* Push n pages at kernel virtual address and clear the icache */ /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */ -void flush_icache_range(unsigned long address, unsigned long endaddr) +void flush_icache_user_range(unsigned long address, unsigned long endaddr) { if (CPU_IS_COLDFIRE) { unsigned long start, end; @@ -104,6 +104,11 @@ void flush_icache_range(unsigned long ad : "di" (FLUSH_I)); } } + +void flush_icache_range(unsigned long address, unsigned long endaddr) +{ + flush_icache_user_range(address, endaddr); +} EXPORT_SYMBOL(flush_icache_range); void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, _