Commit 395d31d40cc38270dd7c024691404e2eddf0678d

Authored by Martin Schwidefsky
1 parent 74eacdb9c2

[S390] convert cpu related printks to pr_xxx macros.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

Showing 5 changed files with 112 additions and 100 deletions Side-by-side Diff

arch/s390/kernel/Makefile
... ... @@ -17,8 +17,8 @@
17 17 #
18 18 CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
19 19  
20   -obj-y := bitmap.o traps.o time.o process.o base.o early.o \
21   - setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
  20 +obj-y := bitmap.o traps.o time.o process.o base.o early.o setup.o \
  21 + processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
22 22 s390_ext.o debug.o irq.o ipl.o dis.o diag.o mem_detect.o \
23 23 vdso.o vtime.o
24 24  
arch/s390/kernel/processor.c
  1 +/*
  2 + * arch/s390/kernel/processor.c
  3 + *
  4 + * Copyright IBM Corp. 2008
  5 + * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
  6 + */
  7 +
  8 +#define KMSG_COMPONENT "cpu"
  9 +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  10 +
  11 +#include <linux/kernel.h>
  12 +#include <linux/init.h>
  13 +#include <linux/smp.h>
  14 +#include <linux/seq_file.h>
  15 +#include <linux/delay.h>
  16 +
  17 +#include <asm/elf.h>
  18 +#include <asm/lowcore.h>
  19 +#include <asm/param.h>
  20 +
  21 +void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
  22 +{
  23 + pr_info("Processor %d started, address %d, identification %06X\n",
  24 + cpuinfo->cpu_nr, cpuinfo->cpu_addr, cpuinfo->cpu_id.ident);
  25 +}
  26 +
  27 +/*
  28 + * show_cpuinfo - Get information on one CPU for use by procfs.
  29 + */
  30 +
  31 +static int show_cpuinfo(struct seq_file *m, void *v)
  32 +{
  33 + static const char *hwcap_str[8] = {
  34 + "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
  35 + "edat"
  36 + };
  37 + struct cpuinfo_S390 *cpuinfo;
  38 + unsigned long n = (unsigned long) v - 1;
  39 + int i;
  40 +
  41 + s390_adjust_jiffies();
  42 + preempt_disable();
  43 + if (!n) {
  44 + seq_printf(m, "vendor_id : IBM/S390\n"
  45 + "# processors : %i\n"
  46 + "bogomips per cpu: %lu.%02lu\n",
  47 + num_online_cpus(), loops_per_jiffy/(500000/HZ),
  48 + (loops_per_jiffy/(5000/HZ))%100);
  49 + seq_puts(m, "features\t: ");
  50 + for (i = 0; i < 8; i++)
  51 + if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
  52 + seq_printf(m, "%s ", hwcap_str[i]);
  53 + seq_puts(m, "\n");
  54 + }
  55 +
  56 + if (cpu_online(n)) {
  57 +#ifdef CONFIG_SMP
  58 + if (smp_processor_id() == n)
  59 + cpuinfo = &S390_lowcore.cpu_data;
  60 + else
  61 + cpuinfo = &lowcore_ptr[n]->cpu_data;
  62 +#else
  63 + cpuinfo = &S390_lowcore.cpu_data;
  64 +#endif
  65 + seq_printf(m, "processor %li: "
  66 + "version = %02X, "
  67 + "identification = %06X, "
  68 + "machine = %04X\n",
  69 + n, cpuinfo->cpu_id.version,
  70 + cpuinfo->cpu_id.ident,
  71 + cpuinfo->cpu_id.machine);
  72 + }
  73 + preempt_enable();
  74 + return 0;
  75 +}
  76 +
  77 +static void *c_start(struct seq_file *m, loff_t *pos)
  78 +{
  79 + return *pos < NR_CPUS ? (void *)((unsigned long) *pos + 1) : NULL;
  80 +}
  81 +
  82 +static void *c_next(struct seq_file *m, void *v, loff_t *pos)
  83 +{
  84 + ++*pos;
  85 + return c_start(m, pos);
  86 +}
  87 +
  88 +static void c_stop(struct seq_file *m, void *v)
  89 +{
  90 +}
  91 +
  92 +const struct seq_operations cpuinfo_op = {
  93 + .start = c_start,
  94 + .next = c_next,
  95 + .stop = c_stop,
  96 + .show = show_cpuinfo,
  97 +};
arch/s390/kernel/setup.c
... ... @@ -35,7 +35,6 @@
35 35 #include <linux/bootmem.h>
36 36 #include <linux/root_dev.h>
37 37 #include <linux/console.h>
38   -#include <linux/seq_file.h>
39 38 #include <linux/kernel_stat.h>
40 39 #include <linux/device.h>
41 40 #include <linux/notifier.h>
... ... @@ -829,90 +828,4 @@
829 828 /* Setup zfcpdump support */
830 829 setup_zfcpdump(console_devno);
831 830 }
832   -
833   -void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
834   -{
835   - printk(KERN_INFO "cpu %d "
836   -#ifdef CONFIG_SMP
837   - "phys_idx=%d "
838   -#endif
839   - "vers=%02X ident=%06X machine=%04X unused=%04X\n",
840   - cpuinfo->cpu_nr,
841   -#ifdef CONFIG_SMP
842   - cpuinfo->cpu_addr,
843   -#endif
844   - cpuinfo->cpu_id.version,
845   - cpuinfo->cpu_id.ident,
846   - cpuinfo->cpu_id.machine,
847   - cpuinfo->cpu_id.unused);
848   -}
849   -
850   -/*
851   - * show_cpuinfo - Get information on one CPU for use by procfs.
852   - */
853   -
854   -static int show_cpuinfo(struct seq_file *m, void *v)
855   -{
856   - static const char *hwcap_str[8] = {
857   - "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
858   - "edat"
859   - };
860   - struct cpuinfo_S390 *cpuinfo;
861   - unsigned long n = (unsigned long) v - 1;
862   - int i;
863   -
864   - s390_adjust_jiffies();
865   - preempt_disable();
866   - if (!n) {
867   - seq_printf(m, "vendor_id : IBM/S390\n"
868   - "# processors : %i\n"
869   - "bogomips per cpu: %lu.%02lu\n",
870   - num_online_cpus(), loops_per_jiffy/(500000/HZ),
871   - (loops_per_jiffy/(5000/HZ))%100);
872   - seq_puts(m, "features\t: ");
873   - for (i = 0; i < 8; i++)
874   - if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
875   - seq_printf(m, "%s ", hwcap_str[i]);
876   - seq_puts(m, "\n");
877   - }
878   -
879   - if (cpu_online(n)) {
880   -#ifdef CONFIG_SMP
881   - if (smp_processor_id() == n)
882   - cpuinfo = &S390_lowcore.cpu_data;
883   - else
884   - cpuinfo = &lowcore_ptr[n]->cpu_data;
885   -#else
886   - cpuinfo = &S390_lowcore.cpu_data;
887   -#endif
888   - seq_printf(m, "processor %li: "
889   - "version = %02X, "
890   - "identification = %06X, "
891   - "machine = %04X\n",
892   - n, cpuinfo->cpu_id.version,
893   - cpuinfo->cpu_id.ident,
894   - cpuinfo->cpu_id.machine);
895   - }
896   - preempt_enable();
897   - return 0;
898   -}
899   -
900   -static void *c_start(struct seq_file *m, loff_t *pos)
901   -{
902   - return *pos < NR_CPUS ? (void *)((unsigned long) *pos + 1) : NULL;
903   -}
904   -static void *c_next(struct seq_file *m, void *v, loff_t *pos)
905   -{
906   - ++*pos;
907   - return c_start(m, pos);
908   -}
909   -static void c_stop(struct seq_file *m, void *v)
910   -{
911   -}
912   -const struct seq_operations cpuinfo_op = {
913   - .start = c_start,
914   - .next = c_next,
915   - .stop = c_stop,
916   - .show = show_cpuinfo,
917   -};
arch/s390/kernel/smp.c
... ... @@ -20,6 +20,9 @@
20 20 * cpu_number_map in other architectures.
21 21 */
22 22  
  23 +#define KMSG_COMPONENT "cpu"
  24 +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  25 +
23 26 #include <linux/module.h>
24 27 #include <linux/init.h>
25 28 #include <linux/mm.h>
... ... @@ -251,8 +254,8 @@
251 254 if (ipl_info.type != IPL_TYPE_FCP_DUMP)
252 255 return;
253 256 if (cpu >= NR_CPUS) {
254   - printk(KERN_WARNING "Registers for cpu %i not saved since dump "
255   - "kernel was compiled with NR_CPUS=%i\n", cpu, NR_CPUS);
  257 + pr_warning("CPU %i exceeds the maximum %i and is excluded from "
  258 + "the dump\n", cpu, NR_CPUS - 1);
256 259 return;
257 260 }
258 261 zfcpdump_save_areas[cpu] = kmalloc(sizeof(union save_area), GFP_KERNEL);
... ... @@ -425,7 +428,7 @@
425 428 }
426 429 out:
427 430 kfree(info);
428   - printk(KERN_INFO "CPUs: %d configured, %d standby\n", c_cpus, s_cpus);
  431 + pr_info("%d configured CPUs, %d standby CPUs\n", c_cpus, s_cpus);
429 432 get_online_cpus();
430 433 __smp_rescan_cpus();
431 434 put_online_cpus();
432 435  
... ... @@ -548,12 +551,8 @@
548 551  
549 552 ccode = signal_processor_p((__u32)(unsigned long)(lowcore_ptr[cpu]),
550 553 cpu, sigp_set_prefix);
551   - if (ccode) {
552   - printk("sigp_set_prefix failed for cpu %d "
553   - "with condition code %d\n",
554   - (int) cpu, (int) ccode);
  554 + if (ccode)
555 555 return -EIO;
556   - }
557 556  
558 557 idle = current_set[cpu];
559 558 cpu_lowcore = lowcore_ptr[cpu];
... ... @@ -636,7 +635,7 @@
636 635 while (!smp_cpu_not_running(cpu))
637 636 cpu_relax();
638 637 smp_free_lowcore(cpu);
639   - printk(KERN_INFO "Processor %d spun down\n", cpu);
  638 + pr_info("Processor %d stopped\n", cpu);
640 639 }
641 640  
642 641 void cpu_die(void)
arch/s390/kernel/topology.c
... ... @@ -3,6 +3,9 @@
3 3 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
4 4 */
5 5  
  6 +#define KMSG_COMPONENT "cpu"
  7 +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  8 +
6 9 #include <linux/kernel.h>
7 10 #include <linux/mm.h>
8 11 #include <linux/init.h>
... ... @@ -306,7 +309,7 @@
306 309 for (i = 0; i < info->mnest - 2; i++)
307 310 nr_cores *= info->mag[NR_MAG - 3 - i];
308 311  
309   - printk(KERN_INFO "CPU topology:");
  312 + pr_info("The CPU configuration topology of the machine is:");
310 313 for (i = 0; i < NR_MAG; i++)
311 314 printk(" %d", info->mag[i]);
312 315 printk(" / %d\n", info->mnest);