From patchwork Sun May 10 07:54:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11539081 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9D8CD139A for ; Sun, 10 May 2020 08:18:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 69991208DB for ; Sun, 10 May 2020 08:18:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Apqi088v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69991208DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A75688E0015; Sun, 10 May 2020 04:18:04 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A4C0A8E0001; Sun, 10 May 2020 04:18:04 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 961628E0015; Sun, 10 May 2020 04:18:04 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0027.hostedemail.com [216.40.44.27]) by kanga.kvack.org (Postfix) with ESMTP id 7C1618E0001 for ; Sun, 10 May 2020 04:18:04 -0400 (EDT) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 4269A2C93 for ; Sun, 10 May 2020 08:18:04 +0000 (UTC) X-FDA: 76800106488.23.doll32_6389879e2d538 X-Spam-Summary: 2,0,0,a87b54f6ddb683fc,d41d8cd98f00b204,batv+effa4c2fe12dfa74dce9+6104+infradead.org+hch@bombadil.srs.infradead.org,,RULES_HIT:41:69:355:379:541:800:960:988:989:1260:1311:1314:1345:1359:1431:1437:1515:1534:1542:1711:1730:1747:1777:1792:1801:1978:1981:2194:2199:2393:2559:2562:3138:3139:3140:3141:3142:3353:3865:3866:4321:4605:5007:6261:6653:6742:6743:9149:9592:10004:11026:11657:11658:11914:12043:12160:12297:12438:12517:12519:12555:12895:12986:13141:13230:13894:14181:14394:14721:21080:21451:21627:30054:30055,0,RBL:198.137.202.133:@bombadil.srs.infradead.org:.lbl8.mailshell.net-64.201.201.201 62.8.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:1:0,LFtime:23,LUA_SUMMARY:none X-HE-Tag: doll32_6389879e2d538 X-Filterd-Recvd-Size: 4542 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Sun, 10 May 2020 08:18:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=kQS44H8EzM8k3vQYjLlTfkfNkLQiGixe7Bw6b6gouAo=; b=Apqi088v9IbaXI+ysOcZwBByJ0 UwIn/y4rIZLqcupMJqfH8Z4vj/1wSAgtdjdO98IpQwE93og6uEsRJeYVo+hVYJ0CgaTDmr/ICH5Vt LQbV71XZQLLET7CjWqQygiGPeUdQO2Jf3tF4c8fki4C1yiiwsqbb3oX/QMQFRUMcJMRDYnPl7FBIc IAvbDQyvW16udyJqJtkPnjUDFPrFBhcN/HxyYEHF5OsDd69kLUUmadgqDxUJocUaW3dFoxMpFDoKA lR9YojVM5Pygy+KSr7C+oN1MuxJJE+oHa539PuonIM/looVNu28DCk5vuULpKTCqkjgxJvPQWFLL5 K5mJYCwg==; Received: from [2001:4bb8:180:9d3f:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXgog-0000NJ-Vl; Sun, 10 May 2020 07:56:07 +0000 From: Christoph Hellwig To: Andrew Morton , Arnd Bergmann , Roman Zippel Cc: Jessica Yu , Michal Simek , x86@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 17/31] openrisc: use asm-generic/cacheflush.h Date: Sun, 10 May 2020 09:54:56 +0200 Message-Id: <20200510075510.987823-18-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200510075510.987823-1-hch@lst.de> References: <20200510075510.987823-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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: OpenRISC needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Signed-off-by: Christoph Hellwig --- arch/openrisc/include/asm/cacheflush.h | 31 +++++--------------------- 1 file changed, 6 insertions(+), 25 deletions(-) diff --git a/arch/openrisc/include/asm/cacheflush.h b/arch/openrisc/include/asm/cacheflush.h index 79d5d7753fe4b..74d1fce4e8839 100644 --- a/arch/openrisc/include/asm/cacheflush.h +++ b/arch/openrisc/include/asm/cacheflush.h @@ -62,31 +62,12 @@ static inline void flush_dcache_page(struct page *page) 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 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 flush_icache_user_range(vma, page, addr, len) \ +do { \ + 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 */