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    Subject[PATCH] [24/58] x86_64: Untangle asm/hpet.h from asm/timex.h
    Date

    From: Chris Wright <chrisw@sous-sol.org>

    When making changes to x86_64 timers, I noticed that touching hpet.h triggered
    an unreasonably large rebuild. Untangling it from timex.h quiets the extra
    rebuild quite a bit.

    Signed-off-by: Chris Wright <chrisw@sous-sol.org>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Cc: john stultz <johnstul@us.ibm.com>

    ---

    drivers/char/rtc.c | 2 +-
    include/asm-x86_64/apic.h | 2 ++
    include/asm-x86_64/hpet.h | 1 -
    include/asm-x86_64/timex.h | 1 -
    4 files changed, 3 insertions(+), 3 deletions(-)

    Index: linux/drivers/char/rtc.c
    ===================================================================
    --- linux.orig/drivers/char/rtc.c
    +++ linux/drivers/char/rtc.c
    @@ -82,7 +82,7 @@
    #include <asm/uaccess.h>
    #include <asm/system.h>

    -#if defined(__i386__)
    +#ifdef CONFIG_X86
    #include <asm/hpet.h>
    #endif

    Index: linux/include/asm-x86_64/apic.h
    ===================================================================
    --- linux.orig/include/asm-x86_64/apic.h
    +++ linux/include/asm-x86_64/apic.h
    @@ -86,6 +86,8 @@ extern void setup_apic_routing(void);
    extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector,
    unsigned char msg_type, unsigned char mask);

    +extern int apic_is_clustered_box(void);
    +
    #define K8_APIC_EXT_LVT_BASE 0x500
    #define K8_APIC_EXT_INT_MSG_FIX 0x0
    #define K8_APIC_EXT_INT_MSG_SMI 0x2
    Index: linux/include/asm-x86_64/hpet.h
    ===================================================================
    --- linux.orig/include/asm-x86_64/hpet.h
    +++ linux/include/asm-x86_64/hpet.h
    @@ -55,7 +55,6 @@

    extern int is_hpet_enabled(void);
    extern int hpet_rtc_timer_init(void);
    -extern int apic_is_clustered_box(void);
    extern int hpet_arch_init(void);
    extern int hpet_timer_stop_set_go(unsigned long tick);
    extern int hpet_reenable(void);
    Index: linux/include/asm-x86_64/timex.h
    ===================================================================
    --- linux.orig/include/asm-x86_64/timex.h
    +++ linux/include/asm-x86_64/timex.h
    @@ -9,7 +9,6 @@
    #include <asm/8253pit.h>
    #include <asm/msr.h>
    #include <asm/vsyscall.h>
    -#include <asm/hpet.h>
    #include <asm/system.h>
    #include <asm/processor.h>
    #include <asm/tsc.h>
    -
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