From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 48/54] m68k: implement flush_icache_user_range Date: Sun, 07 Jun 2020 21:42:37 -0700 Message-ID: <20200608044237.riKYQbjpp%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]:38986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727122AbgFHEmi (ORCPT ); Mon, 8 Jun 2020 00:42:38 -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, geert@linux-m68k.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org From: Christoph Hellwig Subject: m68k: implement flush_icache_user_range Rename the current flush_icache_range to flush_icache_user_range as per commit ae92ef8a4424 ("PATCH] flush icache in correct context") there seems to be an assumption that it operates on user addresses. Add a flush_icache_range around it that for now is a no-op. Link: http://lkml.kernel.org/r/20200515143646.3857579-25-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Geert Uytterhoeven Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton --- arch/m68k/include/asm/cacheflush_mm.h | 2 ++ arch/m68k/mm/cache.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) --- a/arch/m68k/include/asm/cacheflush_mm.h~m68k-implement-flush_icache_user_range +++ a/arch/m68k/include/asm/cacheflush_mm.h @@ -257,6 +257,8 @@ static inline void __flush_page_to_ram(v extern void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len); extern void flush_icache_range(unsigned long address, unsigned long endaddr); +extern void flush_icache_user_range(unsigned long address, + unsigned long endaddr); static inline void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, --- a/arch/m68k/mm/cache.c~m68k-implement-flush_icache_user_range +++ a/arch/m68k/mm/cache.c @@ -73,7 +73,7 @@ static unsigned long virt_to_phys_slow(u /* Push n pages at kernel virtual address and clear the icache */ /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */ -void flush_icache_range(unsigned long address, unsigned long endaddr) +void flush_icache_user_range(unsigned long address, unsigned long endaddr) { if (CPU_IS_COLDFIRE) { unsigned long start, end; @@ -104,6 +104,11 @@ void flush_icache_range(unsigned long ad : "di" (FLUSH_I)); } } + +void flush_icache_range(unsigned long address, unsigned long endaddr) +{ + flush_icache_user_range(address, endaddr); +} EXPORT_SYMBOL(flush_icache_range); void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, _