[PATCH] -mm: make using_apic_timer __read_mostly

From: Andreas Mohr
Date: Tue May 23 2006 - 13:51:15 EST


Hello all,

i386 run-tested on 2.6.17-rc4-mm3 (no x86_64 testing possible here).

this might collide with recent i386/x86_64 reunification efforts, though...

Signed-off-by: Andreas Mohr <andi@xxxxxxxx>


diff -urN linux-2.6.17-rc4-mm3.orig/arch/i386/kernel/apic.c linux-2.6.17-rc4-mm3.my/arch/i386/kernel/apic.c
--- linux-2.6.17-rc4-mm3.orig/arch/i386/kernel/apic.c 2006-05-23 19:14:13.000000000 +0200
+++ linux-2.6.17-rc4-mm3/arch/i386/kernel/apic.c 2006-05-22 15:47:03.000000000 +0200
@@ -114,7 +114,7 @@
}

/* Using APIC to generate smp_local_timer_interrupt? */
-int using_apic_timer = 0;
+int using_apic_timer __read_mostly = 0;

static int enabled_via_apicbase;

diff -urN linux-2.6.17-rc4-mm3.orig/arch/x86_64/kernel/apic.c linux-2.6.17-rc4-mm3.my/arch/x86_64/kernel/apic.c
--- linux-2.6.17-rc4-mm3.orig/arch/x86_64/kernel/apic.c 2006-05-23 19:14:13.000000000 +0200
+++ linux-2.6.17-rc4-mm3/arch/x86_64/kernel/apic.c 2006-05-23 19:45:01.000000000 +0200
@@ -51,7 +51,7 @@
static cpumask_t timer_interrupt_broadcast_ipi_mask;

/* Using APIC to generate smp_local_timer_interrupt? */
-int using_apic_timer = 0;
+int using_apic_timer __read_mostly = 0;

static void apic_pm_activate(void);

-
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