diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/ptrace.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index cc3047d5562b..1b68379c4886 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -179,19 +179,14 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in flush_cache_page(vma, addr); - /* - * FIXME! We used to have flush_page_to_ram() in here, but - * that was wrong. davem says we need a new per-arch primitive - * to handle this correctly. - */ - maddr = kmap(page); if (write) { - memcpy(maddr + offset, buf, bytes); - flush_icache_user_range(vma, page, addr, bytes); + copy_to_user_page(vma, page, addr, + maddr + offset, buf, bytes); set_page_dirty_lock(page); } else { - memcpy(buf, maddr + offset, bytes); + copy_from_user_page(vma, page, addr, + buf, maddr + offset, bytes); } kunmap(page); page_cache_release(page); |