From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 36/54] ia64: use asm-generic/cacheflush.h Date: Sun, 07 Jun 2020 21:42:01 -0700 Message-ID: <20200608044201.2Kio4DSoH%akpm@linux-foundation.org> References: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:38084 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726929AbgFHEmC (ORCPT ); Mon, 8 Jun 2020 00:42:02 -0400 In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: akpm@linux-foundation.org, fenghua.yu@intel.com, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, tony.luck@intel.com, torvalds@linux-foundation.org From: Christoph Hellwig Subject: ia64: use asm-generic/cacheflush.h IA64 needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-13-hch@lst.de Signed-off-by: Christoph Hellwig Cc: Tony Luck Cc: Fenghua Yu Signed-off-by: Andrew Morton --- arch/ia64/include/asm/cacheflush.h | 28 ++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) --- a/arch/ia64/include/asm/cacheflush.h~ia64-use-asm-generic-cacheflushh +++ a/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); 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 EF50EC433E0 for ; Mon, 8 Jun 2020 04:42:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AF0C420825 for ; Mon, 8 Jun 2020 04:42:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="d8Txm6zB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF0C420825 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 53F886B00B4; Mon, 8 Jun 2020 00:42:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4F0E56B00B5; Mon, 8 Jun 2020 00:42:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 42F436B00B6; Mon, 8 Jun 2020 00:42:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0156.hostedemail.com [216.40.44.156]) by kanga.kvack.org (Postfix) with ESMTP id 260796B00B4 for ; Mon, 8 Jun 2020 00:42:03 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id DD167804C46B for ; Mon, 8 Jun 2020 04:42:02 +0000 (UTC) X-FDA: 76904797284.08.bait63_350919826db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id B73431819B81B for ; Mon, 8 Jun 2020 04:42:02 +0000 (UTC) X-HE-Tag: bait63_350919826db7 X-Filterd-Recvd-Size: 3811 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf08.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:42:02 +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 6C7BE20835; Mon, 8 Jun 2020 04:42:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591321; bh=1Ir1K5pjCT9CCpp1YNvmRH2Tm1zznkwQlDXCp/s+ybY=; h=Date:From:To:Subject:In-Reply-To:From; b=d8Txm6zB21er/dkDoZ0fRn7xWSC2+vGF1fxMrnxElq/gO00V/2jzlLE7dlmXu27fs ZTlirjuJ9rSOoB/A4O+y9IILERiiRQByiDGoZr2pzAO4yJQvgKgG6DO5rIgyhL82nR MqGbNC19O/1eHFUPl4DcoxFNmid2RwpJYlLtuxOE= Date: Sun, 07 Jun 2020 21:42:01 -0700 From: Andrew Morton To: akpm@linux-foundation.org, fenghua.yu@intel.com, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, tony.luck@intel.com, torvalds@linux-foundation.org Subject: [patch 36/54] ia64: use asm-generic/cacheflush.h Message-ID: <20200608044201.2Kio4DSoH%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: B73431819B81B 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: ia64: use asm-generic/cacheflush.h IA64 needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Link: http://lkml.kernel.org/r/20200515143646.3857579-13-hch@lst.de Signed-off-by: Christoph Hellwig Cc: Tony Luck Cc: Fenghua Yu Signed-off-by: Andrew Morton --- arch/ia64/include/asm/cacheflush.h | 28 ++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) --- a/arch/ia64/include/asm/cacheflush.h~ia64-use-asm-generic-cacheflushh +++ a/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 */ _