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[S390] convert cpu related printks to pr_xxx macros.
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Martin Schwidefsky committed Dec 25, 2008
1 parent 74eacdb commit 395d31d
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Showing 5 changed files with 112 additions and 100 deletions.
4 changes: 2 additions & 2 deletions arch/s390/kernel/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,8 @@ CFLAGS_smp.o := -Wno-nonnull
#
CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'

obj-y := bitmap.o traps.o time.o process.o base.o early.o \
setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
obj-y := bitmap.o traps.o time.o process.o base.o early.o setup.o \
processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
s390_ext.o debug.o irq.o ipl.o dis.o diag.o mem_detect.o \
vdso.o vtime.o

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98 changes: 98 additions & 0 deletions arch/s390/kernel/processor.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,98 @@
/*
* arch/s390/kernel/processor.c
*
* Copyright IBM Corp. 2008
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*/

#define KMSG_COMPONENT "cpu"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/seq_file.h>
#include <linux/delay.h>

#include <asm/elf.h>
#include <asm/lowcore.h>
#include <asm/param.h>

void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
{
pr_info("Processor %d started, address %d, identification %06X\n",
cpuinfo->cpu_nr, cpuinfo->cpu_addr, cpuinfo->cpu_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[8] = {
"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
"edat"
};
struct cpuinfo_S390 *cpuinfo;
unsigned long n = (unsigned long) v - 1;
int i;

s390_adjust_jiffies();
preempt_disable();
if (!n) {
seq_printf(m, "vendor_id : IBM/S390\n"
"# processors : %i\n"
"bogomips per cpu: %lu.%02lu\n",
num_online_cpus(), loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ))%100);
seq_puts(m, "features\t: ");
for (i = 0; i < 8; i++)
if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
seq_printf(m, "%s ", hwcap_str[i]);
seq_puts(m, "\n");
}

if (cpu_online(n)) {
#ifdef CONFIG_SMP
if (smp_processor_id() == n)
cpuinfo = &S390_lowcore.cpu_data;
else
cpuinfo = &lowcore_ptr[n]->cpu_data;
#else
cpuinfo = &S390_lowcore.cpu_data;
#endif
seq_printf(m, "processor %li: "
"version = %02X, "
"identification = %06X, "
"machine = %04X\n",
n, cpuinfo->cpu_id.version,
cpuinfo->cpu_id.ident,
cpuinfo->cpu_id.machine);
}
preempt_enable();
return 0;
}

static void *c_start(struct seq_file *m, loff_t *pos)
{
return *pos < NR_CPUS ? (void *)((unsigned long) *pos + 1) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}

static void c_stop(struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

88 changes: 0 additions & 88 deletions arch/s390/kernel/setup.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,6 @@
#include <linux/bootmem.h>
#include <linux/root_dev.h>
#include <linux/console.h>
#include <linux/seq_file.h>
#include <linux/kernel_stat.h>
#include <linux/device.h>
#include <linux/notifier.h>
Expand Down Expand Up @@ -829,90 +828,3 @@ setup_arch(char **cmdline_p)
/* Setup zfcpdump support */
setup_zfcpdump(console_devno);
}

void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
{
printk(KERN_INFO "cpu %d "
#ifdef CONFIG_SMP
"phys_idx=%d "
#endif
"vers=%02X ident=%06X machine=%04X unused=%04X\n",
cpuinfo->cpu_nr,
#ifdef CONFIG_SMP
cpuinfo->cpu_addr,
#endif
cpuinfo->cpu_id.version,
cpuinfo->cpu_id.ident,
cpuinfo->cpu_id.machine,
cpuinfo->cpu_id.unused);
}

/*
* 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[8] = {
"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
"edat"
};
struct cpuinfo_S390 *cpuinfo;
unsigned long n = (unsigned long) v - 1;
int i;

s390_adjust_jiffies();
preempt_disable();
if (!n) {
seq_printf(m, "vendor_id : IBM/S390\n"
"# processors : %i\n"
"bogomips per cpu: %lu.%02lu\n",
num_online_cpus(), loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ))%100);
seq_puts(m, "features\t: ");
for (i = 0; i < 8; i++)
if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
seq_printf(m, "%s ", hwcap_str[i]);
seq_puts(m, "\n");
}

if (cpu_online(n)) {
#ifdef CONFIG_SMP
if (smp_processor_id() == n)
cpuinfo = &S390_lowcore.cpu_data;
else
cpuinfo = &lowcore_ptr[n]->cpu_data;
#else
cpuinfo = &S390_lowcore.cpu_data;
#endif
seq_printf(m, "processor %li: "
"version = %02X, "
"identification = %06X, "
"machine = %04X\n",
n, cpuinfo->cpu_id.version,
cpuinfo->cpu_id.ident,
cpuinfo->cpu_id.machine);
}
preempt_enable();
return 0;
}

static void *c_start(struct seq_file *m, loff_t *pos)
{
return *pos < NR_CPUS ? (void *)((unsigned long) *pos + 1) : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}
static void c_stop(struct seq_file *m, void *v)
{
}
const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

17 changes: 8 additions & 9 deletions arch/s390/kernel/smp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,9 @@
* cpu_number_map in other architectures.
*/

#define KMSG_COMPONENT "cpu"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/module.h>
#include <linux/init.h>
#include <linux/mm.h>
Expand Down Expand Up @@ -251,8 +254,8 @@ static void __init smp_get_save_area(unsigned int cpu, unsigned int phy_cpu)
if (ipl_info.type != IPL_TYPE_FCP_DUMP)
return;
if (cpu >= NR_CPUS) {
printk(KERN_WARNING "Registers for cpu %i not saved since dump "
"kernel was compiled with NR_CPUS=%i\n", cpu, NR_CPUS);
pr_warning("CPU %i exceeds the maximum %i and is excluded from "
"the dump\n", cpu, NR_CPUS - 1);
return;
}
zfcpdump_save_areas[cpu] = kmalloc(sizeof(union save_area), GFP_KERNEL);
Expand Down Expand Up @@ -425,7 +428,7 @@ static void __init smp_detect_cpus(void)
}
out:
kfree(info);
printk(KERN_INFO "CPUs: %d configured, %d standby\n", c_cpus, s_cpus);
pr_info("%d configured CPUs, %d standby CPUs\n", c_cpus, s_cpus);
get_online_cpus();
__smp_rescan_cpus();
put_online_cpus();
Expand Down Expand Up @@ -548,12 +551,8 @@ int __cpuinit __cpu_up(unsigned int cpu)

ccode = signal_processor_p((__u32)(unsigned long)(lowcore_ptr[cpu]),
cpu, sigp_set_prefix);
if (ccode) {
printk("sigp_set_prefix failed for cpu %d "
"with condition code %d\n",
(int) cpu, (int) ccode);
if (ccode)
return -EIO;
}

idle = current_set[cpu];
cpu_lowcore = lowcore_ptr[cpu];
Expand Down Expand Up @@ -636,7 +635,7 @@ void __cpu_die(unsigned int cpu)
while (!smp_cpu_not_running(cpu))
cpu_relax();
smp_free_lowcore(cpu);
printk(KERN_INFO "Processor %d spun down\n", cpu);
pr_info("Processor %d stopped\n", cpu);
}

void cpu_die(void)
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5 changes: 4 additions & 1 deletion arch/s390/kernel/topology.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,9 @@
* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
*/

#define KMSG_COMPONENT "cpu"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
Expand Down Expand Up @@ -306,7 +309,7 @@ void __init s390_init_cpu_topology(void)
for (i = 0; i < info->mnest - 2; i++)
nr_cores *= info->mag[NR_MAG - 3 - i];

printk(KERN_INFO "CPU topology:");
pr_info("The CPU configuration topology of the machine is:");
for (i = 0; i < NR_MAG; i++)
printk(" %d", info->mag[i]);
printk(" / %d\n", info->mnest);
Expand Down

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