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[PATCH] make pmtmr_ioport __read_mostly

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- written on init only, accessed for every timer read --> __read_mostly
- fix broken sentence

Signed-off-by: Andreas Mohr <andi@lisas.de>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andreas Mohr
2006-06-26 00:25:14 -07:00
committed by Linus Torvalds
parent a275254975
commit 7d622d4794
2 changed files with 3 additions and 3 deletions
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2
arch/x86_64/kernel/pmtimer.c
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@ -27,7 +27,7 @@
/* The I/O port the PMTMR resides at. /* The I/O port the PMTMR resides at.
* The location is detected during setup_arch(), * The location is detected during setup_arch(),
* in arch/i386/kernel/acpi/boot.c */ * in arch/i386/kernel/acpi/boot.c */
u32 pmtmr_ioport; u32 pmtmr_ioport __read_mostly;
/* value of the Power timer at last timer interrupt */ /* value of the Power timer at last timer interrupt */
static u32 offset_delay; static u32 offset_delay;

4
drivers/clocksource/acpi_pm.c
View File

@ -30,7 +30,7 @@
* The location is detected during setup_arch(), * The location is detected during setup_arch(),
* in arch/i386/acpi/boot.c * in arch/i386/acpi/boot.c
*/ */
u32 pmtmr_ioport; u32 pmtmr_ioport __read_mostly;
#define ACPI_PM_MASK 0xFFFFFF /* limit it to 24 bits */ #define ACPI_PM_MASK 0xFFFFFF /* limit it to 24 bits */
@ -47,7 +47,7 @@ static cycle_t acpi_pm_read_verified(void)
/* /*
* It has been reported that because of various broken * It has been reported that because of various broken
* chipsets (ICH4, PIIX4 and PIIX4E) where the ACPI PM clock * chipsets (ICH4, PIIX4 and PIIX4E) where the ACPI PM clock
* source is not latched, so you must read it multiple * source is not latched, you must read it multiple
* times to ensure a safe value is read: * times to ensure a safe value is read:
*/ */
do { do {