diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index 60585bde1264..dbd12ea8ce68 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -58,17 +58,13 @@ static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, * Copy user data from/to a page which is mapped into a different processes * address space. Really, we want to allow our "user space" model to handle * this. - * - * Note that this code needs to run on the current CPU. */ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long uaddr, void *dst, const void *src, unsigned long len) { - preempt_disable(); memcpy(dst, src, len); flush_ptrace_access(vma, page, uaddr, dst, len); - preempt_enable(); } void __sync_icache_dcache(pte_t pte, unsigned long addr)