From patchwork Sun May 10 07:54:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11538789 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 856B3159A for ; Sun, 10 May 2020 07:56:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D6F724964 for ; Sun, 10 May 2020 07:56:14 +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="XAAsRr6E" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729145AbgEJH4N (ORCPT ); Sun, 10 May 2020 03:56:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729128AbgEJH4M (ORCPT ); Sun, 10 May 2020 03:56:12 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3613C061A0C; Sun, 10 May 2020 00:56:11 -0700 (PDT) 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=9OkRp1p3UvpvhrMloqYZ5BRhhjLRydsct9faQtkGwTk=; b=XAAsRr6EjjN3/yVHeqs8/bO7PS YuqBIjDerF7M0TIVg8WyqS6VTVh0ppGXMA1Lk/vXdJQTjC+gw+bLoqvyj49cDzbCUHVjkylR5WfRC W/SP8iEe3jRFW7kyY4aEdOPrqGcypYxic7RaZSoEvkTrdY0g90ZJcHVMH9Vud0s9+SczW0EqvxmmW JplpkK9+vVvUCRYxaP/W791YtBayhgsNGzGcOmz+I8L8LMKeS4WJ2u1CVDeK478m53/XLI4u5CWpL NSfinyVz/L1BKxtiHquQl3xYyh+8U9qIO7gb3cw3Q0hxw74WqYXAitW1agV0smLp6loKx444KAQvG OMeYetgg==; 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 1jXgoP-0008QV-Vf; Sun, 10 May 2020 07:55:50 +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 12/31] c6x: use asm-generic/cacheflush.h Date: Sun, 10 May 2020 09:54:51 +0200 Message-Id: <20200510075510.987823-13-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 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org C6x needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Signed-off-by: Christoph Hellwig --- arch/c6x/include/asm/cacheflush.h | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/arch/c6x/include/asm/cacheflush.h b/arch/c6x/include/asm/cacheflush.h index 4540b40475e6c..10922d528de6d 100644 --- a/arch/c6x/include/asm/cacheflush.h +++ b/arch/c6x/include/asm/cacheflush.h @@ -16,21 +16,6 @@ #include #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 */ @@ -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 */