x86: pre init pirq_entries[]
Impact: cleanup
set default value early - this allows the removal of a number
of dynamic initialization codepaths, and an #ifdef.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 0b7cde3..a89878e 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -813,8 +813,9 @@
*/
#define MAX_PIRQS 8
-static int pirq_entries [MAX_PIRQS];
-static int pirqs_enabled;
+static int pirq_entries[MAX_PIRQS] = {
+ [0 ... MAX_PIRQS - 1] = -1
+};
static int __init ioapic_pirq_setup(char *str)
{
@@ -823,10 +824,6 @@
get_options(str, ARRAY_SIZE(ints), ints);
- for (i = 0; i < MAX_PIRQS; i++)
- pirq_entries[i] = -1;
-
- pirqs_enabled = 1;
apic_printk(APIC_VERBOSE, KERN_INFO
"PIRQ redirection, working around broken MP-BIOS.\n");
max = MAX_PIRQS;
@@ -1976,13 +1973,6 @@
int apic;
unsigned long flags;
-#ifdef CONFIG_X86_32
- int i;
- if (!pirqs_enabled)
- for (i = 0; i < MAX_PIRQS; i++)
- pirq_entries[i] = -1;
-#endif
-
/*
* The number of IO-APIC IRQ registers (== #pins):
*/