diff options
Diffstat (limited to 'arch/avr32/mm/cache.c')
| -rw-r--r-- | arch/avr32/mm/cache.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c index c1233c615e6..85d635cd7b2 100644 --- a/arch/avr32/mm/cache.c +++ b/arch/avr32/mm/cache.c @@ -13,6 +13,7 @@ #include <asm/cachectl.h> #include <asm/processor.h> #include <asm/uaccess.h> +#include <asm/syscalls.h> /* * If you attempt to flush anything more than this, you need superuser @@ -110,9 +111,10 @@ void flush_icache_range(unsigned long start, unsigned long end) __flush_icache_range(start & ~(linesz - 1), (end + linesz - 1) & ~(linesz - 1)); } +EXPORT_SYMBOL(flush_icache_range); /* - * This one is called from do_no_page(), do_swap_page() and install_page(). + * This one is called from __do_fault() and do_swap_page(). */ void flush_icache_page(struct vm_area_struct *vma, struct page *page) { @@ -122,16 +124,6 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page) } } -/* - * This one is used by copy_to_user_page() - */ -void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, - unsigned long addr, int len) -{ - if (vma->vm_flags & VM_EXEC) - flush_icache_range(addr, addr + len); -} - asmlinkage int sys_cacheflush(int operation, void __user *addr, size_t len) { int ret; @@ -159,3 +151,13 @@ asmlinkage int sys_cacheflush(int operation, void __user *addr, size_t len) out: return ret; } + +void copy_to_user_page(struct vm_area_struct *vma, struct page *page, + unsigned long vaddr, void *dst, const void *src, + unsigned long len) +{ + memcpy(dst, src, len); + if (vma->vm_flags & VM_EXEC) + flush_icache_range((unsigned long)dst, + (unsigned long)dst + len); +} |