1 files changed, 0 insertions, 57 deletions

diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 98f6d6b68f5a..f0312d746402 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -570,63 +570,6 @@ do {									\
 unsigned long __copy_to_user_ll(void __user *to, const void *from,
                                 unsigned long n)
 {
-#ifndef CONFIG_X86_WP_WORKS_OK
-        if (unlikely(boot_cpu_data.wp_works_ok == 0) &&
-                        ((unsigned long)to) < TASK_SIZE) {
-                /*
-                 * When we are in an atomic section (see
-                 * mm/filemap.c:file_read_actor), return the full
-                 * length to take the slow path.
-                 */
-                if (in_atomic())
-                        return n;
-
-                /*
-                 * CPU does not honor the WP bit when writing
-                 * from supervisory mode, and due to preemption or SMP,
-                 * the page tables can change at any time.
-                 * Do it manually.      Manfred <manfred@colorfullife.com>
-                 */
-                while (n) {
-                        unsigned long offset = ((unsigned long)to)%PAGE_SIZE;
-                        unsigned long len = PAGE_SIZE - offset;
-                        int retval;
-                        struct page *pg;
-                        void *maddr;
-
-                        if (len > n)
-                                len = n;
-
-survive:
-                        down_read(&current->mm->mmap_sem);
-                        retval = get_user_pages(current, current->mm,
-                                        (unsigned long)to, 1, 1, 0, &pg, NULL);
-
-                        if (retval == -ENOMEM && is_global_init(current)) {
-                                up_read(&current->mm->mmap_sem);
-                                congestion_wait(BLK_RW_ASYNC, HZ/50);
-                                goto survive;
-                        }
-
-                        if (retval != 1) {
-                                up_read(&current->mm->mmap_sem);
-                                break;
-                        }
-
-                        maddr = kmap_atomic(pg);
-                        memcpy(maddr + offset, from, len);
-                        kunmap_atomic(maddr);
-                        set_page_dirty_lock(pg);
-                        put_page(pg);
-                        up_read(&current->mm->mmap_sem);
-
-                        from += len;
-                        to += len;
-                        n -= len;
-                }
-                return n;
-        }
-#endif
         stac();
         if (movsl_is_ok(to, from, n))
                 __copy_user(to, from, n);