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Diffstat (limited to 'arch/s390/kernel/setup.c')
-rw-r--r--arch/s390/kernel/setup.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 91625f7..7d89324 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -2,7 +2,7 @@
* arch/s390/kernel/setup.c
*
* S390 version
- * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright (C) IBM Corp. 1999,2010
* Author(s): Hartmut Penner (hp@de.ibm.com),
* Martin Schwidefsky (schwidefsky@de.ibm.com)
*
@@ -113,22 +113,6 @@ static struct resource data_resource = {
};
/*
- * cpu_init() initializes state that is per-CPU.
- */
-void __cpuinit cpu_init(void)
-{
- /*
- * Store processor id in lowcore (used e.g. in timer_interrupt)
- */
- get_cpu_id(&S390_lowcore.cpu_id);
-
- atomic_inc(&init_mm.mm_count);
- current->active_mm = &init_mm;
- BUG_ON(current->mm);
- enter_lazy_tlb(&init_mm, current);
-}
-
-/*
* condev= and conmode= setup parameter.
*/
@@ -385,10 +369,6 @@ static void setup_addressing_mode(void)
pr_info("Address spaces switched, "
"mvcos not available\n");
}
-#ifdef CONFIG_TRACE_IRQFLAGS
- sysc_restore_trace_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK;
- io_restore_trace_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK;
-#endif
}
static void __init
@@ -421,6 +401,7 @@ setup_lowcore(void)
lc->io_new_psw.mask = psw_kernel_bits;
lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
lc->clock_comparator = -1ULL;
+ lc->cmf_hpp = -1ULL;
lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
lc->async_stack = (unsigned long)
__alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + ASYNC_SIZE;
@@ -695,6 +676,7 @@ static void __init setup_hwcaps(void)
static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 };
unsigned long long facility_list_extended;
unsigned int facility_list;
+ struct cpuid cpu_id;
int i;
facility_list = stfl();
@@ -756,7 +738,8 @@ static void __init setup_hwcaps(void)
*/
elf_hwcap |= HWCAP_S390_HIGH_GPRS;
- switch (S390_lowcore.cpu_id.machine) {
+ get_cpu_id(&cpu_id);
+ switch (cpu_id.machine) {
case 0x9672:
#if !defined(CONFIG_64BIT)
default: /* Use "g5" as default for 31 bit kernels. */