summaryrefslogtreecommitdiffstats
path: root/arch/alpha
diff options
context:
space:
mode:
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/asm/smp.h1
-rw-r--r--arch/alpha/include/asm/topology.h17
-rw-r--r--arch/alpha/kernel/irq.c2
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/kernel/setup.c5
-rw-r--r--arch/alpha/kernel/smp.c7
-rw-r--r--arch/alpha/kernel/sys_dp264.c8
-rw-r--r--arch/alpha/kernel/sys_titan.c4
8 files changed, 33 insertions, 13 deletions
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 544c69af8168..547e90951cec 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -45,7 +45,6 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS];
#define raw_smp_processor_id() (current_thread_info()->cpu)
extern int smp_num_cpus;
-#define cpu_possible_map cpu_present_map
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h
index 149532e162c4..b4f284c72ff3 100644
--- a/arch/alpha/include/asm/topology.h
+++ b/arch/alpha/include/asm/topology.h
@@ -39,7 +39,24 @@ static inline cpumask_t node_to_cpumask(int node)
return node_cpu_mask;
}
+extern struct cpumask node_to_cpumask_map[];
+/* FIXME: This is dumb, recalculating every time. But simple. */
+static const struct cpumask *cpumask_of_node(int node)
+{
+ int cpu;
+
+ cpumask_clear(&node_to_cpumask_map[node]);
+
+ for_each_online_cpu(cpu) {
+ if (cpu_to_node(cpu) == node)
+ cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
+ }
+
+ return &node_to_cpumask_map[node];
+}
+
#define pcibus_to_cpumask(bus) (cpu_online_map)
+#define cpumask_of_pcibus(bus) (cpu_online_mask)
#endif /* !CONFIG_NUMA */
# include <asm-generic/topology.h>
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index c626a821cdcb..d0f1620007f7 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -55,7 +55,7 @@ int irq_select_affinity(unsigned int irq)
last_cpu = cpu;
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
- irq_desc[irq].chip->set_affinity(irq, cpumask_of_cpu(cpu));
+ irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu));
return 0;
}
#endif /* CONFIG_SMP */
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 351407e07e71..f238370c907d 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -94,6 +94,7 @@ common_shutdown_1(void *generic_ptr)
flags |= 0x00040000UL; /* "remain halted" */
*pflags = flags;
cpu_clear(cpuid, cpu_present_map);
+ cpu_clear(cpuid, cpu_possible_map);
halt();
}
#endif
@@ -120,6 +121,7 @@ common_shutdown_1(void *generic_ptr)
#ifdef CONFIG_SMP
/* Wait for the secondaries to halt. */
cpu_clear(boot_cpuid, cpu_present_map);
+ cpu_clear(boot_cpuid, cpu_possible_map);
while (cpus_weight(cpu_present_map))
barrier();
#endif
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index a449e999027c..02bee6983ce2 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -79,6 +79,11 @@ int alpha_l3_cacheshape;
unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON;
#endif
+#ifdef CONFIG_NUMA
+struct cpumask node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
+EXPORT_SYMBOL(node_to_cpumask_map);
+#endif
+
/* Which processor we booted from. */
int boot_cpuid;
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index cf7da10097bb..d953e510f68d 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -70,11 +70,6 @@ enum ipi_message_type {
/* Set to a secondary's cpuid when it comes online. */
static int smp_secondary_alive __devinitdata = 0;
-/* Which cpus ids came online. */
-cpumask_t cpu_online_map;
-
-EXPORT_SYMBOL(cpu_online_map);
-
int smp_num_probed; /* Internal processor count */
int smp_num_cpus = 1; /* Number that came online. */
EXPORT_SYMBOL(smp_num_cpus);
@@ -440,6 +435,7 @@ setup_smp(void)
((char *)cpubase + i*hwrpb->processor_size);
if ((cpu->flags & 0x1cc) == 0x1cc) {
smp_num_probed++;
+ cpu_set(i, cpu_possible_map);
cpu_set(i, cpu_present_map);
cpu->pal_revision = boot_cpu_palrev;
}
@@ -473,6 +469,7 @@ smp_prepare_cpus(unsigned int max_cpus)
/* Nothing to do on a UP box, or when told not to. */
if (smp_num_probed == 1 || max_cpus == 0) {
+ cpu_possible_map = cpumask_of_cpu(boot_cpuid);
cpu_present_map = cpumask_of_cpu(boot_cpuid);
printk(KERN_INFO "SMP mode deactivated.\n");
return;
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index c71b0fd7a61f..ab44c164d9d4 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -177,19 +177,19 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
}
static void
-dp264_set_affinity(unsigned int irq, cpumask_t affinity)
+dp264_set_affinity(unsigned int irq, const struct cpumask *affinity)
{
spin_lock(&dp264_irq_lock);
- cpu_set_irq_affinity(irq, affinity);
+ cpu_set_irq_affinity(irq, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
-clipper_set_affinity(unsigned int irq, cpumask_t affinity)
+clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
{
spin_lock(&dp264_irq_lock);
- cpu_set_irq_affinity(irq - 16, affinity);
+ cpu_set_irq_affinity(irq - 16, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 52c91ccc1648..27f840a4ad3d 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -158,10 +158,10 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
}
static void
-titan_set_irq_affinity(unsigned int irq, cpumask_t affinity)
+titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
{
spin_lock(&titan_irq_lock);
- titan_cpu_set_irq_affinity(irq - 16, affinity);
+ titan_cpu_set_irq_affinity(irq - 16, *affinity);
titan_update_irq_hw(titan_cached_irq_mask);
spin_unlock(&titan_irq_lock);
}