* instruction. If your processor does not supply this, you have to write your
* own copy_user_highpage that does the right thing.
*/
-static void __attribute__((naked))
+static void __naked
v4wb_copy_user_page(void *kto, const void *kfrom)
{
asm("\
stmfd sp!, {r4, lr} @ 2\n\
- mov r2, %0 @ 1\n\
+ mov r2, %2 @ 1\n\
ldmia r1!, {r3, r4, ip, lr} @ 4\n\
1: mcr p15, 0, r0, c7, c6, 1 @ 1 invalidate D line\n\
stmia r0!, {r3, r4, ip, lr} @ 4\n\
mcr p15, 0, r1, c7, c10, 4 @ 1 drain WB\n\
ldmfd sp!, {r4, pc} @ 3"
:
- : "I" (PAGE_SIZE / 64));
+ : "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
}
void v4wb_copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr)
+ unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
kto = kmap_atomic(to, KM_USER0);
kfrom = kmap_atomic(from, KM_USER1);
+ flush_cache_page(vma, vaddr, page_to_pfn(from));
v4wb_copy_user_page(kto, kfrom);
kunmap_atomic(kfrom, KM_USER1);
kunmap_atomic(kto, KM_USER0);