X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc%2Fkernel%2Fsun4d_smp.c;h=1de4c8a39bf013a07585a5eaf9de9dd087573161;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=e5e1349035707706cfb99db48a9888fb42f0976b;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index e5e134903..1de4c8a39 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
+#include <linux/profile.h>
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
@@ -29,7 +30,6 @@
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/oplib.h>
-#include <asm/hardirq.h>
 #include <asm/sbus.h>
 #include <asm/sbi.h>
 #include <asm/tlbflush.h>
@@ -43,7 +43,6 @@ extern ctxd_t *srmmu_ctx_table_phys;
 extern void calibrate_delay(void);
 
 extern volatile int smp_processors_ready;
-extern unsigned long cpu_present_map;
 extern int smp_num_cpus;
 static int smp_highest_cpu;
 extern int smp_threads_ready;
@@ -100,8 +99,6 @@ void __init smp4d_callin(void)
 	 * the SMP initialization the master will be just allowed
 	 * to call the scheduler code.
 	 */
-	init_idle();
-
 	/* Get our local ticker going. */
 	smp_setup_percpu_timer();
 
@@ -152,7 +149,6 @@ void __init smp4d_callin(void)
 extern int cpu_idle(void *unused);
 extern void init_IRQ(void);
 extern void cpu_panic(void);
-extern int start_secondary(void *unused);
 
 /*
  *	Cycle through the processors asking the PROM to start each one.
@@ -174,12 +170,12 @@ void __init smp4d_boot_cpus(void)
 		current_set[0] = NULL;
 
 	local_irq_enable();
-	cpu_present_map = 0;
+	cpus_clear(cpu_present_map);
 
 	/* XXX This whole thing has to go.  See sparc64. */
 	for (i = 0; !cpu_find_by_instance(i, NULL, &mid); i++)
-		cpu_present_map |= (1<<mid);
-	SMP_PRINTK(("cpu_present_map %08lx\n", cpu_present_map));
+		cpu_set(mid, cpu_present_map);
+	SMP_PRINTK(("cpu_present_map %08lx\n", cpus_addr(cpu_present_map)[0]));
 	for(i=0; i < NR_CPUS; i++)
 		__cpu_number_map[i] = -1;
 	for(i=0; i < NR_CPUS; i++)
@@ -197,7 +193,7 @@ void __init smp4d_boot_cpus(void)
 		if(i == boot_cpu_id)
 			continue;
 
-		if(cpu_present_map & (1 << i)) {
+		if (cpu_isset(i, cpu_present_map)) {
 			extern unsigned long sun4d_cpu_startup;
 			unsigned long *entry = &sun4d_cpu_startup;
 			struct task_struct *p;
@@ -205,18 +201,9 @@ void __init smp4d_boot_cpus(void)
 			int no;
 
 			/* Cook up an idler for this guy. */
-			kernel_thread(start_secondary, NULL, CLONE_IDLETASK);
-
+			p = fork_idle(i);
 			cpucount++;
-
-			p = prev_task(&init_task);
-
-			init_idle(p, i);
-
 			current_set[i] = p->thread_info;
-
-			unhash_process(p);
-
 			for (no = 0; !cpu_find_by_instance(no, NULL, &mid)
 				     && mid != i; no++) ;
 
@@ -254,19 +241,19 @@ void __init smp4d_boot_cpus(void)
 			}
 		}
 		if(!(cpu_callin_map[i])) {
-			cpu_present_map &= ~(1 << i);
+			cpu_clear(i, cpu_present_map);
 			__cpu_number_map[i] = -1;
 		}
 	}
 	local_flush_cache_all();
 	if(cpucount == 0) {
 		printk("Error: only one Processor found.\n");
-		cpu_present_map = (1 << hard_smp4d_processor_id());
+		cpu_present_map = cpumask_of_cpu(hard_smp4d_processor_id());
 	} else {
 		unsigned long bogosum = 0;
 		
 		for(i = 0; i < NR_CPUS; i++) {
-			if(cpu_present_map & (1 << i)) {
+			if (cpu_isset(i, cpu_present_map)) {
 				bogosum += cpu_data(i).udelay_val;
 				smp_highest_cpu = i;
 			}
@@ -346,12 +333,13 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 
 		/* Init receive/complete mapping, plus fire the IPI's off. */
 		{
-			register unsigned long mask;
+			cpumask_t mask;
 			register int i;
 
-			mask = (cpu_present_map & ~(1 << hard_smp4d_processor_id()));
+			mask = cpumask_of_cpu(hard_smp4d_processor_id());
+			cpus_andnot(mask, cpu_present_map, mask);
 			for(i = 0; i <= high; i++) {
-				if(mask & (1 << i)) {
+				if (cpu_isset(i, mask)) {
 					ccall_info.processors_in[i] = 0;
 					ccall_info.processors_out[i] = 0;
 					sun4d_send_ipi(i, IRQ_CROSS_CALL);
@@ -421,8 +409,6 @@ void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
 	panic("Bogon SMP message pass.");
 }
 
-extern void sparc_do_profile(unsigned long pc, unsigned long o7);
-
 void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
 {
 	int cpu = hard_smp4d_processor_id();
@@ -440,8 +426,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
 		show_leds(cpu);
 	}
 
-	if(!user_mode(regs))
-		sparc_do_profile(regs->pc, regs->u_regs[UREG_RETPC]);
+	profile_tick(CPU_PROFILING, regs);
 
 	if(!--prof_counter(cpu)) {
 		int user = user_mode(regs);
@@ -498,11 +483,11 @@ void __init sun4d_init_smp(void)
 	t_nmi[1] = t_nmi[1] + (linux_trap_ipi15_sun4d - linux_trap_ipi15_sun4m);
 	
 	/* And set btfixup... */
-	BTFIXUPSET_BLACKBOX(smp_processor_id, smp4d_blackbox_id);
+	BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4d_blackbox_id);
 	BTFIXUPSET_BLACKBOX(load_current, smp4d_blackbox_current);
 	BTFIXUPSET_CALL(smp_cross_call, smp4d_cross_call, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(smp_message_pass, smp4d_message_pass, BTFIXUPCALL_NORM);
-	BTFIXUPSET_CALL(__smp_processor_id, __smp4d_processor_id, BTFIXUPCALL_NORM);
+	BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4d_processor_id, BTFIXUPCALL_NORM);
 	
 	for (i = 0; i < NR_CPUS; i++) {
 		ccall_info.processors_in[i] = 1;