[PARISC] kill ENTRY_SYS_CPUS
it's unlikely iCOD will ever happen on parisc-linux now... ;-)
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 0af1fad..b20894a 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -337,9 +337,6 @@
#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",
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index a5a730c..6ba9257 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -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 @@
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 @@
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 @@
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 @@
/* 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 @@
{
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 @@
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)
diff --git a/include/asm-parisc/smp.h b/include/asm-parisc/smp.h
index d4c0e26..306f495 100644
--- a/include/asm-parisc/smp.h
+++ b/include/asm-parisc/smp.h
@@ -41,14 +41,6 @@
#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)
