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 E042DC433DF for ; Mon, 8 Jun 2020 04:42:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A59B020814 for ; Mon, 8 Jun 2020 04:42:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="dY5lNolC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A59B020814 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 47D926B000D; Mon, 8 Jun 2020 00:42:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 42F2B6B0025; Mon, 8 Jun 2020 00:42:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 345346B0085; Mon, 8 Jun 2020 00:42:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0142.hostedemail.com [216.40.44.142]) by kanga.kvack.org (Postfix) with ESMTP id 1E7486B0025 for ; Mon, 8 Jun 2020 00:42:12 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id DA14A18121D8B for ; Mon, 8 Jun 2020 04:42:11 +0000 (UTC) X-FDA: 76904797662.28.root86_0403b9826db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id B58C256779 for ; Mon, 8 Jun 2020 04:42:11 +0000 (UTC) X-HE-Tag: root86_0403b9826db7 X-Filterd-Recvd-Size: 3776 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf49.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:42:11 +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 506BB20825; Mon, 8 Jun 2020 04:42:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591330; bh=o70Z+WlUYfCcpjxbejzjTDGb3eanQXZIq6Nqucys0hI=; h=Date:From:To:Subject:In-Reply-To:From; b=dY5lNolCCjuIL5rEhfh7JeAMTCdysdPAZWSqWrBXPcgRZxDF8LvQG5Xqs9IsAtWql 94fzdsoLrLKGWtZiwQ70hyhqejKaAfSxlsWT+qGTd2CQrj7G8aaYyPQVVf2YmXzQ8S NFL2R4NC6awBswneWWbObTWrpSmNac6GY0y3IH1g= Date: Sun, 07 Jun 2020 21:42:09 -0700 From: Andrew Morton To: akpm@linux-foundation.org, hch@lst.de, jonas@southpole.se, linux-mm@kvack.org, mm-commits@vger.kernel.org, shorne@gmail.com, stefan.kristiansson@saunalahti.fi, torvalds@linux-foundation.org Subject: [patch 39/54] openrisc: use asm-generic/cacheflush.h Message-ID: <20200608044209.gpke1wosn%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: B58C256779 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 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: openrisc: use asm-generic/cacheflush.h OpenRISC needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-16-hch@lst.de Signed-off-by: Christoph Hellwig Cc: Jonas Bonn Cc: Stefan Kristiansson Cc: Stafford Horne Signed-off-by: Andrew Morton --- arch/openrisc/include/asm/cacheflush.h | 31 ++++------------------- 1 file changed, 6 insertions(+), 25 deletions(-) --- a/arch/openrisc/include/asm/cacheflush.h~openrisc-use-asm-generic-cacheflushh +++ a/arch/openrisc/include/asm/cacheflush.h @@ -62,31 +62,12 @@ static inline void flush_dcache_page(str clear_bit(PG_dc_clean, &page->flags); } -/* - * Other interfaces are not required since we do not have virtually - * indexed or tagged caches. So we can use the default here. - */ -#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 flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_range(start, end) 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) +#define flush_icache_user_range(vma, page, addr, len) \ +do { \ + if (vma->vm_flags & VM_EXEC) \ + sync_icache_dcache(page); \ +} while (0) -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - memcpy(dst, src, len); \ - if (vma->vm_flags & VM_EXEC) \ - sync_icache_dcache(page); \ - } while (0) - -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#include #endif /* __ASM_CACHEFLUSH_H */ _