X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=arch%2Fmips%2Fsgi-ip27%2Fip27-smp.c;h=f15fc93d6b35112331fbd0fd9c842c0cf36bcb86;hb=8e3bda0863c1578ddf47a015eac7dc6efb1ef48b;hp=09fa7f5216f0f294217e368fcb6e7f0dc91e3d6e;hpb=74293759002aa7db0179158c20676a034614577b;p=sfrench%2Fcifs-2.6.git

diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
index 09fa7f5216f0..5b47d6b65275 100644
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -33,7 +33,7 @@ static void alloc_cpupda(cpuid_t cpu, int cpunum)
 	nasid_t nasid = COMPACT_TO_NASID_NODEID(node);
 
 	cputonasid(cpunum) = nasid;
-	cpu_data[cpunum].p_nodeid = node;
+	sn_cpu_info[cpunum].p_nodeid = node;
 	cputoslice(cpunum) = get_cpu_slice(cpu);
 }
 
@@ -76,7 +76,7 @@ static int do_cpumask(cnodeid_t cnode, nasid_t nasid, int highest)
 			/* Only let it join in if it's marked enabled */
 			if ((acpu->cpu_info.flags & KLINFO_ENABLE) &&
 			    (tot_cpus_found != NR_CPUS)) {
-				cpu_set(cpuid, phys_cpu_present_map);
+				cpu_set(cpuid, cpu_possible_map);
 				alloc_cpupda(cpuid, tot_cpus_found);
 				cpus_found++;
 				tot_cpus_found++;
@@ -140,82 +140,104 @@ static __init void intr_clear_all(nasid_t nasid)
 		REMOTE_HUB_CLR_INTR(nasid, i);
 }
 
-void __init plat_smp_setup(void)
+static void ip27_send_ipi_single(int destid, unsigned int action)
 {
-	cnodeid_t	cnode;
+	int irq;
 
-	for_each_online_node(cnode) {
-		if (cnode == 0)
-			continue;
-		intr_clear_all(COMPACT_TO_NASID_NODEID(cnode));
+	switch (action) {
+	case SMP_RESCHEDULE_YOURSELF:
+		irq = CPU_RESCHED_A_IRQ;
+		break;
+	case SMP_CALL_FUNCTION:
+		irq = CPU_CALL_A_IRQ;
+		break;
+	default:
+		panic("sendintr");
 	}
 
-	replicate_kernel_text();
+	irq += cputoslice(destid);
 
 	/*
-	 * Assumption to be fixed: we're always booted on logical / physical
-	 * processor 0.  While we're always running on logical processor 0
-	 * this still means this is physical processor zero; it might for
-	 * example be disabled in the firwware.
+	 * Convert the compact hub number to the NASID to get the correct
+	 * part of the address space.  Then set the interrupt bit associated
+	 * with the CPU we want to send the interrupt to.
 	 */
-	alloc_cpupda(0, 0);
+	REMOTE_HUB_SEND_INTR(COMPACT_TO_NASID_NODEID(cpu_to_node(destid)), irq);
 }
 
-void __init plat_prepare_cpus(unsigned int max_cpus)
+static void ip27_send_ipi_mask(cpumask_t mask, unsigned int action)
 {
-	/* We already did everything necessary earlier */
+	unsigned int i;
+
+	for_each_cpu_mask(i, mask)
+		ip27_send_ipi_single(i, action);
 }
 
-/*
- * Launch a slave into smp_bootstrap().  It doesn't take an argument, and we
- * set sp to the kernel stack of the newly created idle process, gp to the proc
- * struct so that current_thread_info() will work.
- */
-void __init prom_boot_secondary(int cpu, struct task_struct *idle)
+static void __cpuinit ip27_init_secondary(void)
 {
-	unsigned long gp = (unsigned long)task_thread_info(idle);
-	unsigned long sp = __KSTK_TOS(idle);
-
-	LAUNCH_SLAVE(cputonasid(cpu),cputoslice(cpu),
-		(launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap),
-		0, (void *) sp, (void *) gp);
+	per_cpu_init();
 }
 
-void prom_init_secondary(void)
+static void __cpuinit ip27_smp_finish(void)
 {
-	per_cpu_init();
+	extern void hub_rt_clock_event_init(void);
+
+	hub_rt_clock_event_init();
 	local_irq_enable();
 }
 
-void __init prom_cpus_done(void)
+static void __init ip27_cpus_done(void)
 {
 }
 
-void prom_smp_finish(void)
+/*
+ * Launch a slave into smp_bootstrap().  It doesn't take an argument, and we
+ * set sp to the kernel stack of the newly created idle process, gp to the proc
+ * struct so that current_thread_info() will work.
+ */
+static void __cpuinit ip27_boot_secondary(int cpu, struct task_struct *idle)
 {
+	unsigned long gp = (unsigned long)task_thread_info(idle);
+	unsigned long sp = __KSTK_TOS(idle);
+
+	LAUNCH_SLAVE(cputonasid(cpu), cputoslice(cpu),
+		(launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap),
+		0, (void *) sp, (void *) gp);
 }
 
-void core_send_ipi(int destid, unsigned int action)
+static void __init ip27_smp_setup(void)
 {
-	int irq;
+	cnodeid_t	cnode;
 
-	switch (action) {
-	case SMP_RESCHEDULE_YOURSELF:
-		irq = CPU_RESCHED_A_IRQ;
-		break;
-	case SMP_CALL_FUNCTION:
-		irq = CPU_CALL_A_IRQ;
-		break;
-	default:
-		panic("sendintr");
+	for_each_online_node(cnode) {
+		if (cnode == 0)
+			continue;
+		intr_clear_all(COMPACT_TO_NASID_NODEID(cnode));
 	}
 
-	irq += cputoslice(destid);
+	replicate_kernel_text();
 
 	/*
-	 * Convert the compact hub number to the NASID to get the correct
-	 * part of the address space.  Then set the interrupt bit associated
-	 * with the CPU we want to send the interrupt to.
+	 * Assumption to be fixed: we're always booted on logical / physical
+	 * processor 0.  While we're always running on logical processor 0
+	 * this still means this is physical processor zero; it might for
+	 * example be disabled in the firwware.
 	 */
-	REMOTE_HUB_SEND_INTR(COMPACT_TO_NASID_NODEID(cpu_to_node(destid)), irq);
+	alloc_cpupda(0, 0);
 }
+
+static void __init ip27_prepare_cpus(unsigned int max_cpus)
+{
+	/* We already did everything necessary earlier */
+}
+
+struct plat_smp_ops ip27_smp_ops = {
+	.send_ipi_single	= ip27_send_ipi_single,
+	.send_ipi_mask		= ip27_send_ipi_mask,
+	.init_secondary		= ip27_init_secondary,
+	.smp_finish		= ip27_smp_finish,
+	.cpus_done		= ip27_cpus_done,
+	.boot_secondary		= ip27_boot_secondary,
+	.smp_setup		= ip27_smp_setup,
+	.prepare_cpus		= ip27_prepare_cpus,
+};