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path: root/include/asm-x86_64/ipi.h
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Diffstat (limited to 'include/asm-x86_64/ipi.h')
-rw-r--r--include/asm-x86_64/ipi.h23
1 files changed, 17 insertions, 6 deletions
diff --git a/include/asm-x86_64/ipi.h b/include/asm-x86_64/ipi.h
index 5e166b9d3bd..022e9d340ad 100644
--- a/include/asm-x86_64/ipi.h
+++ b/include/asm-x86_64/ipi.h
@@ -31,9 +31,20 @@
static inline unsigned int __prepare_ICR (unsigned int shortcut, int vector, unsigned int dest)
{
- unsigned int icr = APIC_DM_FIXED | shortcut | vector | dest;
- if (vector == KDB_VECTOR)
- icr = (icr & (~APIC_VECTOR_MASK)) | APIC_DM_NMI;
+ unsigned int icr = shortcut | dest;
+
+ switch (vector) {
+ default:
+ icr |= APIC_DM_FIXED | vector;
+ break;
+ case NMI_VECTOR:
+ /*
+ * Setup KDB IPI to be delivered as an NMI
+ */
+ case KDB_VECTOR:
+ icr |= APIC_DM_NMI;
+ break;
+ }
return icr;
}
@@ -66,7 +77,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, unsign
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
- apic_write_around(APIC_ICR, cfg);
+ apic_write(APIC_ICR, cfg);
}
@@ -92,7 +103,7 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
* prepare target chip field
*/
cfg = __prepare_ICR2(x86_cpu_to_apicid[query_cpu]);
- apic_write_around(APIC_ICR2, cfg);
+ apic_write(APIC_ICR2, cfg);
/*
* program the ICR
@@ -102,7 +113,7 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
- apic_write_around(APIC_ICR, cfg);
+ apic_write(APIC_ICR, cfg);
}
local_irq_restore(flags);
}