Commit-ID: 8e13d697febc1ba17e70ed88789255c8bc25aa41
Gitweb: http://git.kernel.org/tip/8e13d697febc1ba17e70ed88789255c8bc25aa41
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
AuthorDate: Mon, 8 Jun 2009 03:14:59 -0700
Committer: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
CommitDate: Tue, 14 Jul 2009 13:32:49 -0700
x86/ioapic.c: move lost comment to what seems like appropriate place
The comment got separated from its subject, so move it to what
appears to be the right place, and update to describe the current
structure.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/kernel/apic/io_apic.c | 12 +++++-------
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index ec52e0c..a097a77 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -116,13 +116,6 @@ static int __init parse_noapic(char *str)
}
early_param("noapic", parse_noapic);
-/*
- * This is performance-critical, we want to do it O(1)
- *
- * the indexing order of this array favors 1:1 mappings
- * between pins and IRQs.
- */
-
struct irq_pin_list {
int apic, pin;
struct irq_pin_list *next;
@@ -137,6 +130,11 @@ static struct irq_pin_list *get_one_free_irq_2_pin(int node)
return pin;
}
+/*
+ * This is performance-critical, we want to do it O(1)
+ *
+ * Most irqs are mapped 1:1 with pins.
+ */
struct irq_cfg {
struct irq_pin_list *irq_2_pin;
cpumask_var_t domain;
--
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