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 0A6B4C433E0 for ; Mon, 8 Jun 2020 04:41:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BDD0C20825 for ; Mon, 8 Jun 2020 04:41:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="gDLk+WCd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDD0C20825 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 6783A6B00AE; Mon, 8 Jun 2020 00:41:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 62AB96B00AF; Mon, 8 Jun 2020 00:41:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 566006B00B0; Mon, 8 Jun 2020 00:41:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0113.hostedemail.com [216.40.44.113]) by kanga.kvack.org (Postfix) with ESMTP id 36B126B00AE for ; Mon, 8 Jun 2020 00:41:57 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id EE6E68022360 for ; Mon, 8 Jun 2020 04:41:56 +0000 (UTC) X-FDA: 76904797032.22.boot37_550465f26db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id C762C18087E7A for ; Mon, 8 Jun 2020 04:41:56 +0000 (UTC) X-HE-Tag: boot37_550465f26db7 X-Filterd-Recvd-Size: 3368 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf50.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:41:56 +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 823A720870; Mon, 8 Jun 2020 04:41:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591315; bh=04ElAlHTvryPwB0sMA7LS/LW7gUVpqd/xb+nYav2TfE=; h=Date:From:To:Subject:In-Reply-To:From; b=gDLk+WCdB0+sXcrJbCdZk4lp+LOsSAbj3xgZusC1uv+DhiFXOoL+d41xI6WNvmCjW lKunYm4HbGHmYaz3DeMvXsAIGME4LYTuEdRsd9ik3QfiTwk+31SvTfVJAQqrVrv6YQ fB92JWBSOhsmsD4aa/HZTaEa20dCfw3vr1uIlRyE= Date: Sun, 07 Jun 2020 21:41:55 -0700 From: Andrew Morton To: akpm@linux-foundation.org, hch@lst.de, jacquiot.aurelien@gmail.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, msalter@redhat.com, torvalds@linux-foundation.org Subject: [patch 34/54] c6x: use asm-generic/cacheflush.h Message-ID: <20200608044155.anFWQL1Y2%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: C762C18087E7A X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: c6x: use asm-generic/cacheflush.h C6x needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-11-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Mark Salter Cc: Aurelien Jacquiot Signed-off-by: Andrew Morton --- arch/c6x/include/asm/cacheflush.h | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) --- a/arch/c6x/include/asm/cacheflush.h~c6x-use-asm-generic-cacheflushh +++ a/arch/c6x/include/asm/cacheflush.h @@ -17,21 +17,6 @@ #include /* - * virtually-indexed cache management (our cache is physically indexed) - */ -#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(mm, start, end) do {} while (0) -#define flush_cache_page(vma, vmaddr, pfn) do {} while (0) -#define flush_cache_vmap(start, end) do {} while (0) -#define flush_cache_vunmap(start, end) 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) - -/* * physically-indexed cache management */ #define flush_icache_range(s, e) \ @@ -49,14 +34,12 @@ do { \ (unsigned long) page_address(page) + PAGE_SIZE)); \ } while (0) - #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ memcpy(dst, src, len); \ flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \ } while (0) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#include #endif /* _ASM_C6X_CACHEFLUSH_H */ _