diff options
Diffstat (limited to 'arch/arm/mm/copypage-feroceon.c')
| -rw-r--r-- | arch/arm/mm/copypage-feroceon.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c index edd71686b8d..c3651b2939c 100644 --- a/arch/arm/mm/copypage-feroceon.c +++ b/arch/arm/mm/copypage-feroceon.c @@ -79,12 +79,11 @@ void feroceon_copy_user_highpage(struct page *to, struct page *from, kunmap_atomic(kto, KM_USER0); } -void __attribute__((naked)) -feroceon_clear_user_page(void *kaddr, unsigned long vaddr) +void feroceon_clear_user_highpage(struct page *page, unsigned long vaddr) { + void *kaddr = kmap_atomic(page, KM_USER0); asm("\ - stmfd sp!, {r4-r7, lr} \n\ - mov r1, %0 \n\ + mov r1, %1 \n\ mov r2, #0 \n\ mov r3, #0 \n\ mov r4, #0 \n\ @@ -93,19 +92,20 @@ feroceon_clear_user_page(void *kaddr, unsigned long vaddr) mov r7, #0 \n\ mov ip, #0 \n\ mov lr, #0 \n\ -1: stmia r0, {r2-r7, ip, lr} \n\ +1: stmia %0, {r2-r7, ip, lr} \n\ subs r1, r1, #1 \n\ - mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line\n\ + mcr p15, 0, %0, c7, c14, 1 @ clean and invalidate D line\n\ add r0, r0, #32 \n\ bne 1b \n\ - mcr p15, 0, r1, c7, c10, 4 @ drain WB\n\ - ldmfd sp!, {r4-r7, pc}" + mcr p15, 0, r1, c7, c10, 4 @ drain WB" : - : "I" (PAGE_SIZE / 32)); + : "r" (kaddr), "I" (PAGE_SIZE / 32) + : "r1", "r2", "r3", "r4", "r5", "r6", "r7", "ip", "lr"); + kunmap_atomic(kaddr, KM_USER0); } struct cpu_user_fns feroceon_user_fns __initdata = { - .cpu_clear_user_page = feroceon_clear_user_page, + .cpu_clear_user_highpage = feroceon_clear_user_highpage, .cpu_copy_user_highpage = feroceon_copy_user_highpage, }; |