x86: seperate default_send_IPI_mask_sequence/allbutself from logical
Impact: 32-bit should use logical version
there are two version: for default_send_IPI_mask_sequence/allbutself
one in ipi.h and one in ipi.c for 32bit
it seems .h version overwrote ipi.c for a while.
restore it so 32 bit could use its old logical version.
also remove dupicated functions in .c
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index e2e8e4e..aa79945 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -120,7 +120,7 @@
}
static inline void
-default_send_IPI_mask_sequence(const struct cpumask *mask, int vector)
+default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector)
{
unsigned long query_cpu;
unsigned long flags;
@@ -139,7 +139,7 @@
}
static inline void
-default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
+default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector)
{
unsigned int this_cpu = smp_processor_id();
unsigned int query_cpu;
@@ -157,23 +157,72 @@
local_irq_restore(flags);
}
+#include <asm/genapic.h>
+
+static inline void
+default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector)
+{
+ unsigned long flags;
+ unsigned int query_cpu;
+
+ /*
+ * Hack. The clustered APIC addressing mode doesn't allow us to send
+ * to an arbitrary mask, so I do a unicasts to each CPU instead. This
+ * should be modified to do 1 message per cluster ID - mbligh
+ */
+
+ local_irq_save(flags);
+ for_each_cpu(query_cpu, mask)
+ __default_send_IPI_dest_field(
+ apic->cpu_to_logical_apicid(query_cpu), vector,
+ apic->dest_logical);
+ local_irq_restore(flags);
+}
+
+static inline void
+default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector)
+{
+ unsigned long flags;
+ unsigned int query_cpu;
+ unsigned int this_cpu = smp_processor_id();
+
+ /* See Hack comment above */
+
+ local_irq_save(flags);
+ for_each_cpu(query_cpu, mask) {
+ if (query_cpu == this_cpu)
+ continue;
+ __default_send_IPI_dest_field(
+ apic->cpu_to_logical_apicid(query_cpu), vector,
+ apic->dest_logical);
+ }
+ local_irq_restore(flags);
+}
/* Avoid include hell */
#define NMI_VECTOR 0x02
-void default_send_IPI_mask_bitmask(const struct cpumask *mask, int vector);
-void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
-
extern int no_broadcast;
-#ifdef CONFIG_X86_64
-#include <asm/genapic.h>
-#else
-static inline void default_send_IPI_mask(const struct cpumask *mask, int vector)
+#ifndef CONFIG_X86_64
+/*
+ * This is only used on smaller machines.
+ */
+static inline void default_send_IPI_mask_bitmask_logical(const struct cpumask *cpumask, int vector)
{
- default_send_IPI_mask_bitmask(mask, vector);
+ unsigned long mask = cpumask_bits(cpumask)[0];
+ unsigned long flags;
+
+ local_irq_save(flags);
+ WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]);
+ __default_send_IPI_dest_field(mask, vector, apic->dest_logical);
+ local_irq_restore(flags);
}
-void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+
+static inline void default_send_IPI_mask_logical(const struct cpumask *mask, int vector)
+{
+ default_send_IPI_mask_bitmask_logical(mask, vector);
+}
#endif
static inline void __default_local_send_IPI_allbutself(int vector)