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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-08 13:22:55 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-08 13:22:55 +1100
commit6206aa8b2b9a45b4cf3ee31b7209b014be349fd9 (patch)
tree72c4223a2cc21bf055948eadb3b314ed0568ae9d /arch/x86/kernel/ipi.c
parent95f8e302c04c0b0c6de35ab399a5551605eeb006 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/kernel/ipi.c')
-rw-r--r--arch/x86/kernel/ipi.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
index f1c688e46f3..285bbf8831f 100644
--- a/arch/x86/kernel/ipi.c
+++ b/arch/x86/kernel/ipi.c
@@ -116,18 +116,18 @@ static inline void __send_IPI_dest_field(unsigned long mask, int vector)
/*
* This is only used on smaller machines.
*/
-void send_IPI_mask_bitmask(cpumask_t cpumask, int vector)
+void send_IPI_mask_bitmask(const struct cpumask *cpumask, int vector)
{
- unsigned long mask = cpus_addr(cpumask)[0];
+ unsigned long mask = cpumask_bits(cpumask)[0];
unsigned long flags;
local_irq_save(flags);
- WARN_ON(mask & ~cpus_addr(cpu_online_map)[0]);
+ WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]);
__send_IPI_dest_field(mask, vector);
local_irq_restore(flags);
}
-void send_IPI_mask_sequence(cpumask_t mask, int vector)
+void send_IPI_mask_sequence(const struct cpumask *mask, int vector)
{
unsigned long flags;
unsigned int query_cpu;
@@ -139,12 +139,24 @@ void send_IPI_mask_sequence(cpumask_t mask, int vector)
*/
local_irq_save(flags);
- for_each_possible_cpu(query_cpu) {
- if (cpu_isset(query_cpu, mask)) {
+ for_each_cpu(query_cpu, mask)
+ __send_IPI_dest_field(cpu_to_logical_apicid(query_cpu), vector);
+ local_irq_restore(flags);
+}
+
+void send_IPI_mask_allbutself(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)
__send_IPI_dest_field(cpu_to_logical_apicid(query_cpu),
vector);
- }
- }
local_irq_restore(flags);
}