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[S390] More cleanup for struct _lowcore

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Remove cpu_id from lowcore and replace addr_t with __u64.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2010-05-17 10:00:00 +02:00 • committed by Martin Schwidefsky
parent e40152ee1e
commit 94038a9911
6 changed files with 57 additions and 60 deletions
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37
arch/s390/kernel/processor.c
View file

@ -18,24 +18,42 @@
#include <asm/lowcore.h>
#include <asm/param.h>
static DEFINE_PER_CPU(struct cpuid, cpu_id);
/*
* cpu_init - initializes state that is per-CPU.
*/
void __cpuinit cpu_init(void)
{
struct cpuid *id = &per_cpu(cpu_id, smp_processor_id());
get_cpu_id(id);
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
BUG_ON(current->mm);
enter_lazy_tlb(&init_mm, current);
}
/*
* print_cpu_info - print basic information about a cpu
*/
void __cpuinit print_cpu_info(void)
{
struct cpuid *id = &per_cpu(cpu_id, smp_processor_id());
pr_info("Processor %d started, address %d, identification %06X\n",
S390_lowcore.cpu_nr, S390_lowcore.cpu_addr,
S390_lowcore.cpu_id.ident);
S390_lowcore.cpu_nr, S390_lowcore.cpu_addr, id->ident);
}
/*
* show_cpuinfo - Get information on one CPU for use by procfs.
*/
static int show_cpuinfo(struct seq_file *m, void *v)
{
static const char *hwcap_str[10] = {
"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
"edat", "etf3eh", "highgprs"
};
struct _lowcore *lc;
unsigned long n = (unsigned long) v - 1;
int i;
@ -55,19 +73,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}
if (cpu_online(n)) {
#ifdef CONFIG_SMP
lc = (smp_processor_id() == n) ?
&S390_lowcore : lowcore_ptr[n];
#else
lc = &S390_lowcore;
#endif
struct cpuid *id = &per_cpu(cpu_id, n);
seq_printf(m, "processor %li: "
"version = %02X, "
"identification = %06X, "
"machine = %04X\n",
n, lc->cpu_id.version,
lc->cpu_id.ident,
lc->cpu_id.machine);
n, id->version, id->ident, id->machine);
}
preempt_enable();
return 0;