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 24803C433DF for ; Mon, 8 Jun 2020 04:42:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DC36E20825 for ; Mon, 8 Jun 2020 04:42:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="TGd2/yT/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC36E20825 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 874626B00B1; Mon, 8 Jun 2020 00:42:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 824EA6B00B2; Mon, 8 Jun 2020 00:42:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 713096B00B3; Mon, 8 Jun 2020 00:42:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0004.hostedemail.com [216.40.44.4]) by kanga.kvack.org (Postfix) with ESMTP id 55C8F6B00B1 for ; Mon, 8 Jun 2020 00:42:00 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 18EE48042E28 for ; Mon, 8 Jun 2020 04:42:00 +0000 (UTC) X-FDA: 76904797200.16.act09_340b74826db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin16.hostedemail.com (Postfix) with ESMTP id E032B100E5491 for ; Mon, 8 Jun 2020 04:41:59 +0000 (UTC) X-HE-Tag: act09_340b74826db7 X-Filterd-Recvd-Size: 3865 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:41:59 +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 8644E20872; Mon, 8 Jun 2020 04:41:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591318; bh=cJjgtxeYnPFmZCkkR4hD5lwY+5UNA4jbTY6ZZF2uWjs=; h=Date:From:To:Subject:In-Reply-To:From; b=TGd2/yT/P4WVR1RxAx0+d71Vx44ZwtBYZ6EYvexyE6BEU016rZ5WE10ol4zL1J7Id 4vCJGycBBKekJP2gLEAAgRNEEzZUF/8U6kev0LDN4iiRwDpLjBjr+Aw5MmrS/re0aU cllsHt4/8Lmm9nW+xODM97upCp1cHI8GpFeR30o4= Date: Sun, 07 Jun 2020 21:41:58 -0700 From: Andrew Morton To: akpm@linux-foundation.org, bcain@codeaurora.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 35/54] hexagon: use asm-generic/cacheflush.h Message-ID: <20200608044158.eou5XQvwB%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: E032B100E5491 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: hexagon: use asm-generic/cacheflush.h Hexagon needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-12-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Brian Cain Signed-off-by: Andrew Morton --- arch/hexagon/include/asm/cacheflush.h | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) --- a/arch/hexagon/include/asm/cacheflush.h~hexagon-use-asm-generic-cacheflushh +++ a/arch/hexagon/include/asm/cacheflush.h @@ -25,29 +25,17 @@ #define LINESIZE 32 #define LINEBITS 5 -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -#define flush_dcache_page(page) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_page(vma, pg) do { } while (0) -#define flush_icache_user_range(vma, pg, adr, len) do { } while (0) -#define flush_cache_vmap(start, end) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - /* * Flush Dcache range through current map. */ extern void flush_dcache_range(unsigned long start, unsigned long end); +#define flush_dcache_range flush_dcache_range /* * Flush Icache range through current map. */ extern void flush_icache_range(unsigned long start, unsigned long end); +#define flush_icache_range flush_icache_range /* * Memory-management related flushes are there to ensure in non-physically @@ -78,6 +66,7 @@ static inline void update_mmu_cache(stru void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, void *src, int len); +#define copy_to_user_page copy_to_user_page #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) @@ -85,4 +74,6 @@ void copy_to_user_page(struct vm_area_st extern void hexagon_inv_dcache_range(unsigned long start, unsigned long end); extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end); +#include + #endif _