s390/kernel: Introduce memcpy_absolute() function

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / s390 / kernel / setup.c

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 06264ae..489d1d8 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -428,10 +428,12 @@ static void __init setup_lowcore(void)
        lc->restart_fn = (unsigned long) do_restart;
        lc->restart_data = 0;
        lc->restart_source = -1UL;
-       memcpy(&S390_lowcore.restart_stack, &lc->restart_stack,
-              4*sizeof(unsigned long));
-       copy_to_absolute_zero(&S390_lowcore.restart_psw,
-                             &lc->restart_psw, sizeof(psw_t));
+
+       /* Setup absolute zero lowcore */
+       memcpy_absolute(&S390_lowcore.restart_stack, &lc->restart_stack,
+                       4 * sizeof(unsigned long));
+       memcpy_absolute(&S390_lowcore.restart_psw, &lc->restart_psw,
+                       sizeof(lc->restart_psw));
 
        set_prefix((u32)(unsigned long) lc);
        lowcore_ptr[0] = lc;
@@ -598,7 +600,7 @@ static void __init setup_vmcoreinfo(void)
 #ifdef CONFIG_KEXEC
        unsigned long ptr = paddr_vmcoreinfo_note();
 
-       copy_to_absolute_zero(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr));
+       memcpy_absolute(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr));
 #endif
 }