From patchwork Sun May 10 07:54:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11538923 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 2B272159A for ; Sun, 10 May 2020 07:58:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 131B02137B for ; Sun, 10 May 2020 07:58:00 +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="jq+n3q94" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729177AbgEJH4S (ORCPT ); Sun, 10 May 2020 03:56:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726630AbgEJH4Q (ORCPT ); Sun, 10 May 2020 03:56:16 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36A05C061A0C; Sun, 10 May 2020 00:56:15 -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=8Bf5PQavcsPSk/30moW6k6biuN3Qcs8ONGd4UJ1YFiA=; b=jq+n3q94fT3GNXaqDtf9E6/tsD bnuBIZO/nl3f+ibD8lIQZHuMlgI/CdMnvKq0Qw/IYNgdqqML6loAgjti/YPsUwWtBjlOfxiWAVRhZ 8f1ar8XInuQ0HKhqBeoijqAJQpXZWfFJFA4Il+l5ABZk5MwOT18og+PrbyYKXKxsoMO24g3EzzuYg YCMWfsrCYsnI5pwPOjpL3Eti5K0+4cmqK0KJZdAGExo0bNQPyjupsSVz4DkXrgMHU0DFpNpGwZkZF guxLJqSyeW3GdmiVDi87K19e0RTMKfzY+6MkZg/PewVb/bQuihM+VUS6iH62ZABbLstEy8OrUnuc5 oQVjyysQ==; 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 1jXgoX-0000BB-FU; Sun, 10 May 2020 07:55:57 +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 14/31] ia64: use asm-generic/cacheflush.h Date: Sun, 10 May 2020 09:54:53 +0200 Message-Id: <20200510075510.987823-15-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-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org IA64 needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Signed-off-by: Christoph Hellwig --- arch/ia64/include/asm/cacheflush.h | 28 +++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h index 6d3478f8abc89..a8f1c86ac242a 100644 --- a/arch/ia64/include/asm/cacheflush.h +++ b/arch/ia64/include/asm/cacheflush.h @@ -12,44 +12,22 @@ #include -/* - * Cache flushing routines. This is the kind of stuff that can be very expensive, so try - * to avoid them whenever possible. - */ - -#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_icache_page(vma,page) 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 1 #define flush_dcache_page(page) \ do { \ clear_bit(PG_arch_1, &(page)->flags); \ } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) - -extern void flush_icache_range (unsigned long start, unsigned long end); +extern void flush_icache_range(unsigned long start, unsigned long end); +#define flush_icache_range flush_icache_range extern void clflush_cache_range(void *addr, int size); - #define flush_icache_user_range(vma, page, user_addr, len) \ do { \ unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \ flush_icache_range(_addr, _addr + (len)); \ } while (0) -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ -do { memcpy(dst, src, len); \ - flush_icache_user_range(vma, page, vaddr, len); \ -} while (0) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#include #endif /* _ASM_IA64_CACHEFLUSH_H */