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authorHelge Deller <deller@parisc-linux.org>2006-01-10 20:35:03 -0500
committerKyle McMartin <kyle@duet.int.mcmartin.ca>2006-01-10 20:35:03 -0500
commit8039de10aae3cd4cf0ef0ccebd58aff0e8810df2 (patch)
treeaf82e045c8fb3a417f78b49ec43413995b5f3c0f /arch/parisc/kernel/pdc_chassis.c
parent02706647a49011ae1e7b4eca33e835d1681b094e (diff)
downloadop-kernel-dev-8039de10aae3cd4cf0ef0ccebd58aff0e8810df2.zip
op-kernel-dev-8039de10aae3cd4cf0ef0ccebd58aff0e8810df2.tar.gz
[PARISC] Add __read_mostly section for parisc
Flag a whole bunch of things as __read_mostly on parisc. Also flag a few branches as unlikely() and cleanup a bit of code. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc/kernel/pdc_chassis.c')
-rw-r--r--arch/parisc/kernel/pdc_chassis.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/parisc/kernel/pdc_chassis.c b/arch/parisc/kernel/pdc_chassis.c
index 52004ae..2a01fe1 100644
--- a/arch/parisc/kernel/pdc_chassis.c
+++ b/arch/parisc/kernel/pdc_chassis.c
@@ -30,6 +30,7 @@
#include <linux/kernel.h>
#include <linux/reboot.h>
#include <linux/notifier.h>
+#include <linux/cache.h>
#include <asm/pdc_chassis.h>
#include <asm/processor.h>
@@ -38,8 +39,8 @@
#ifdef CONFIG_PDC_CHASSIS
-static int pdc_chassis_old = 0;
-static unsigned int pdc_chassis_enabled = 1;
+static int pdc_chassis_old __read_mostly = 0;
+static unsigned int pdc_chassis_enabled __read_mostly = 1;
/**
@@ -132,7 +133,7 @@ void __init parisc_pdc_chassis_init(void)
{
#ifdef CONFIG_PDC_CHASSIS
int handle = 0;
- if (pdc_chassis_enabled) {
+ if (likely(pdc_chassis_enabled)) {
DPRINTK(KERN_DEBUG "%s: parisc_pdc_chassis_init()\n", __FILE__);
/* Let see if we have something to handle... */
@@ -142,7 +143,7 @@ void __init parisc_pdc_chassis_init(void)
printk(KERN_INFO "Enabling PDC_PAT chassis codes support.\n");
handle = 1;
}
- else if (pdc_chassis_old) {
+ else if (unlikely(pdc_chassis_old)) {
printk(KERN_INFO "Enabling old style chassis LED panel support.\n");
handle = 1;
}
@@ -178,7 +179,7 @@ int pdc_chassis_send_status(int message)
/* Maybe we should do that in an other way ? */
int retval = 0;
#ifdef CONFIG_PDC_CHASSIS
- if (pdc_chassis_enabled) {
+ if (likely(pdc_chassis_enabled)) {
DPRINTK(KERN_DEBUG "%s: pdc_chassis_send_status(%d)\n", __FILE__, message);
@@ -214,7 +215,7 @@ int pdc_chassis_send_status(int message)
}
} else retval = -1;
#else
- if (pdc_chassis_old) {
+ if (unlikely(pdc_chassis_old)) {
switch (message) {
case PDC_CHASSIS_DIRECT_BSTART:
case PDC_CHASSIS_DIRECT_BCOMPLETE:
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