[PARISC] kill ENTRY_SYS_CPUS
authorKyle McMartin <kyle@parisc-linux.org>
Mon, 15 Jan 2007 17:29:25 +0000 (12:29 -0500)
committerKyle McMartin <kyle@athena.road.mcmartin.ca>
Sat, 17 Feb 2007 06:11:41 +0000 (01:11 -0500)
it's unlikely iCOD will ever happen on parisc-linux now... ;-)

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
arch/parisc/kernel/processor.c
arch/parisc/kernel/smp.c
include/asm-parisc/smp.h

index 0af1fad2fc65271ca813e487feb1a0495c68df52..b20894a01d565397eb56d399217f6959c1ce60c6 100644 (file)
@@ -337,9 +337,6 @@ show_cpuinfo (struct seq_file *m, void *v)
 #ifdef CONFIG_SMP
                if (0 == cpu_data[n].hpa)
                        continue;
-#ifdef ENTRY_SYS_CPUS
-#error iCOD support wants to show CPU state here
-#endif
 #endif
                seq_printf(m, "processor\t: %d\n"
                                "cpu family\t: PA-RISC %s\n",
index a5a730cea0f52c83d54470344e3a3b75e7d000cd..6ba9257fdb7f196587f1198398ee215d394a08fc 100644 (file)
@@ -16,9 +16,6 @@
 **      the Free Software Foundation; either version 2 of the License, or
 **      (at your option) any later version.
 */
-#undef ENTRY_SYS_CPUS  /* syscall support for iCOD-like functionality */
-
-
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
@@ -116,13 +113,6 @@ enum ipi_message_type {
 static void
 ipi_init(int cpuid)
 {
-
-       /* If CPU is present ... */
-#ifdef ENTRY_SYS_CPUS
-       /* *and* running (not stopped) ... */
-#error iCOD support wants state checked here.
-#endif
-
 #error verify IRQ_OFFSET(IPI_IRQ) is ipi_interrupt() in new IRQ region
 
        if(cpu_online(cpuid) )
@@ -142,23 +132,12 @@ ipi_init(int cpuid)
 static void
 halt_processor(void) 
 {
-#ifdef ENTRY_SYS_CPUS
-#error halt_processor() needs rework
-/*
-** o migrate I/O interrupts off this CPU.
-** o leave IPI enabled - __cli() will disable IPI.
-** o leave CPU in online map - just change the state
-*/
-       cpu_data[this_cpu].state = STATE_STOPPED;
-       mark_bh(IPI_BH);
-#else
        /* REVISIT : redirect I/O Interrupts to another CPU? */
        /* REVISIT : does PM *know* this CPU isn't available? */
        cpu_clear(smp_processor_id(), cpu_online_map);
        local_irq_disable();
        for (;;)
                ;
-#endif
 }
 
 
@@ -238,17 +217,11 @@ ipi_interrupt(int irq, void *dev_id)
 
                        case IPI_CPU_START:
                                smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu);
-#ifdef ENTRY_SYS_CPUS
-                               p->state = STATE_RUNNING;
-#endif
                                break;
 
                        case IPI_CPU_STOP:
                                smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_STOP\n", this_cpu);
-#ifdef ENTRY_SYS_CPUS
-#else
                                halt_processor();
-#endif
                                break;
 
                        case IPI_CPU_TEST:
@@ -561,9 +534,6 @@ alive:
        /* Remember the Slave data */
        smp_debug(100, KERN_DEBUG "SMP: CPU:%d came alive after %ld _us\n",
                cpuid, timeout * 100);
-#ifdef ENTRY_SYS_CPUS
-       cpu_data[cpuid].state = STATE_RUNNING;
-#endif
        return 0;
 }
 
@@ -571,10 +541,6 @@ void __devinit smp_prepare_boot_cpu(void)
 {
        int bootstrap_processor=cpu_data[0].cpuid;      /* CPU ID of BSP */
 
-#ifdef ENTRY_SYS_CPUS
-       cpu_data[0].state = STATE_RUNNING;
-#endif
-
        /* Setup BSP mappings */
        printk("SMP: bootstrap CPU ID is %d\n",bootstrap_processor);
 
@@ -613,101 +579,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
        return cpu_online(cpu) ? 0 : -ENOSYS;
 }
 
-
-
-#ifdef ENTRY_SYS_CPUS
-/* Code goes along with:
-**    entry.s:        ENTRY_NAME(sys_cpus)   / * 215, for cpu stat * /
-*/
-int sys_cpus(int argc, char **argv)
-{
-       int i,j=0;
-       extern int current_pid(int cpu);
-
-       if( argc > 2 ) {
-               printk("sys_cpus:Only one argument supported\n");
-               return (-1);
-       }
-       if ( argc == 1 ){
-       
-#ifdef DUMP_MORE_STATE
-               for_each_online_cpu(i) {
-                       int cpus_per_line = 4;
-
-                       if (j++ % cpus_per_line)
-                               printk(" %3d",i);
-                       else
-                               printk("\n %3d",i);
-               }
-               printk("\n"); 
-#else
-               printk("\n 0\n"); 
-#endif
-       } else if((argc==2) && !(strcmp(argv[1],"-l"))) {
-               printk("\nCPUSTATE  TASK CPUNUM CPUID HARDCPU(HPA)\n");
-#ifdef DUMP_MORE_STATE
-               for_each_online_cpu(i) {
-                       if (cpu_data[i].cpuid != NO_PROC_ID) {
-                               switch(cpu_data[i].state) {
-                                       case STATE_RENDEZVOUS:
-                                               printk("RENDEZVS ");
-                                               break;
-                                       case STATE_RUNNING:
-                                               printk((current_pid(i)!=0) ? "RUNNING  " : "IDLING   ");
-                                               break;
-                                       case STATE_STOPPED:
-                                               printk("STOPPED  ");
-                                               break;
-                                       case STATE_HALTED:
-                                               printk("HALTED   ");
-                                               break;
-                                       default:
-                                               printk("%08x?", cpu_data[i].state);
-                                               break;
-                               }
-                               if(cpu_online(i)) {
-                                       printk(" %4d",current_pid(i));
-                               }       
-                               printk(" %6d",cpu_number_map(i));
-                               printk(" %5d",i);
-                               printk(" 0x%lx\n",cpu_data[i].hpa);
-                       }       
-               }
-#else
-               printk("\n%s  %4d      0     0 --------",
-                       (current->pid)?"RUNNING ": "IDLING  ",current->pid); 
-#endif
-       } else if ((argc==2) && !(strcmp(argv[1],"-s"))) { 
-#ifdef DUMP_MORE_STATE
-               printk("\nCPUSTATE   CPUID\n");
-               for_each_online_cpu(i) {
-                       if (cpu_data[i].cpuid != NO_PROC_ID) {
-                               switch(cpu_data[i].state) {
-                                       case STATE_RENDEZVOUS:
-                                               printk("RENDEZVS");break;
-                                       case STATE_RUNNING:
-                                               printk((current_pid(i)!=0) ? "RUNNING " : "IDLING");
-                                               break;
-                                       case STATE_STOPPED:
-                                               printk("STOPPED ");break;
-                                       case STATE_HALTED:
-                                               printk("HALTED  ");break;
-                                       default:
-                               }
-                               printk("  %5d\n",i);
-                       }       
-               }
-#else
-               printk("\n%s    CPU0",(current->pid==0)?"RUNNING ":"IDLING  "); 
-#endif
-       } else {
-               printk("sys_cpus:Unknown request\n");
-               return (-1);
-       }
-       return 0;
-}
-#endif /* ENTRY_SYS_CPUS */
-
 #ifdef CONFIG_PROC_FS
 int __init
 setup_profiling_timer(unsigned int multiplier)
index d4c0e26afcd1a88fa9bfdaa2fccefe227c92f5ff..306f4950e32ebe49428931c0447121b1e5d7dc3d 100644 (file)
@@ -41,14 +41,6 @@ extern void smp_send_all_nop(void);
  
 #define PROC_CHANGE_PENALTY    15              /* Schedule penalty */
 
-#undef ENTRY_SYS_CPUS
-#ifdef ENTRY_SYS_CPUS
-#define STATE_RENDEZVOUS                       0
-#define STATE_STOPPED                          1 
-#define STATE_RUNNING                          2
-#define STATE_HALTED                           3
-#endif
-
 extern unsigned long cpu_present_mask;
 
 #define raw_smp_processor_id() (current_thread_info()->cpu)