diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
commit | ef389b734691cdc8beb009dd402135dcdcb86a56 (patch) | |
tree | 9523a37db93cb7c7874a5f18b4d9a7014898b814 /arch/frv/mm/cache-page.c | |
parent | a774635db5c430cbf21fa5d2f2df3d23aaa8e782 (diff) | |
parent | c76fc98260751e71c884dc1a18a07e427ef033b5 (diff) |
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/frv/mm/cache-page.c')
-rw-r--r-- | arch/frv/mm/cache-page.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/frv/mm/cache-page.c b/arch/frv/mm/cache-page.c deleted file mode 100644 index 8e09dae0ec3f..000000000000 --- a/arch/frv/mm/cache-page.c +++ /dev/null @@ -1,71 +0,0 @@ -/* cache-page.c: whole-page cache wrangling functions for MMU linux - * - * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/highmem.h> -#include <linux/module.h> -#include <asm/pgalloc.h> - -/*****************************************************************************/ -/* - * DCF takes a virtual address and the page may not currently have one - * - temporarily hijack a kmap_atomic() slot and attach the page to it - */ -void flush_dcache_page(struct page *page) -{ - unsigned long dampr2; - void *vaddr; - - dampr2 = __get_DAMPR(2); - - vaddr = kmap_atomic_primary(page); - - frv_dcache_writeback((unsigned long) vaddr, (unsigned long) vaddr + PAGE_SIZE); - - kunmap_atomic_primary(vaddr); - - if (dampr2) { - __set_DAMPR(2, dampr2); - __set_IAMPR(2, dampr2); - } - -} /* end flush_dcache_page() */ - -EXPORT_SYMBOL(flush_dcache_page); - -/*****************************************************************************/ -/* - * ICI takes a virtual address and the page may not currently have one - * - so we temporarily attach the page to a bit of virtual space so that is can be flushed - */ -void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, - unsigned long start, unsigned long len) -{ - unsigned long dampr2; - void *vaddr; - - dampr2 = __get_DAMPR(2); - - vaddr = kmap_atomic_primary(page); - - start = (start & ~PAGE_MASK) | (unsigned long) vaddr; - frv_cache_wback_inv(start, start + len); - - kunmap_atomic_primary(vaddr); - - if (dampr2) { - __set_DAMPR(2, dampr2); - __set_IAMPR(2, dampr2); - } - -} /* end flush_icache_user_range() */ - -EXPORT_SYMBOL(flush_icache_user_range); |