Messages in this thread Patches in this message | | | Date | Tue, 18 Apr 2006 20:44:13 +0200 | From | Andreas Mohr <> | Subject | [PATCH] -mm: make pmtmr_ioport __read_mostly |
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Hello all,
- written on init only, accessed for every timer read --> __read_mostly - fix broken sentence
Patch tested on 2.6.17-rc1-mm2, rediffed against 2.6.17-rc1-mm3. I did not test the x86_64 part, though, for obvious reasons.
Signed-off-by: Andreas Mohr <andi@lisas.de>
diff -urN linux-2.6.17-rc1-mm3.orig/drivers/clocksource/acpi_pm.c linux-2.6.17-rc1-mm3/drivers/clocksource/acpi_pm.c --- linux-2.6.17-rc1-mm3.orig/drivers/clocksource/acpi_pm.c 2006-04-18 20:06:57.000000000 +0200 +++ linux-2.6.17-rc1-mm3/drivers/clocksource/acpi_pm.c 2006-04-18 20:08:19.000000000 +0200 @@ -30,7 +30,7 @@ * The location is detected during setup_arch(), * in arch/i386/acpi/boot.c */ -u32 pmtmr_ioport; +u32 pmtmr_ioport __read_mostly; #define ACPI_PM_MASK 0xFFFFFF /* limit it to 24 bits */ @@ -47,7 +47,7 @@ /* * It has been reported that because of various broken * 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: */ do { diff -urN linux-2.6.17-rc1-mm3.orig/arch/x86_64/kernel/pmtimer.c linux-2.6.17-rc1-mm3/arch/x86_64/kernel/pmtimer.c --- linux-2.6.17-rc1-mm3.orig/arch/x86_64/kernel/pmtimer.c 2006-04-03 05:22:10.000000000 +0200 +++ linux-2.6.17-rc1-mm3/arch/x86_64/kernel/pmtimer.c 2006-04-18 20:36:35.000000000 +0200 @@ -27,7 +27,7 @@ /* The I/O port the PMTMR resides at. * The location is detected during setup_arch(), * in arch/i386/kernel/acpi/boot.c */ -u32 pmtmr_ioport; +u32 pmtmr_ioport __read_mostly; /* value of the Power timer at last timer interrupt */ static u32 offset_delay; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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