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    Subject[patch 20/46] uninline irq_enter()
    From: Ingo Molnar <mingo@elte.hu>

    Uninline irq_enter(). [dynticks adds more stuff to it]

    No functional changes.

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Andrew Morton <akpm@osdl.org>
    ---

    include/linux/hardirq.h | 7 +------
    kernel/softirq.c | 10 ++++++++++
    2 files changed, 11 insertions(+), 6 deletions(-)

    Index: linux-2.6.20-rc4-mm1-bo/include/linux/hardirq.h
    ===================================================================
    --- linux-2.6.20-rc4-mm1-bo.orig/include/linux/hardirq.h
    +++ linux-2.6.20-rc4-mm1-bo/include/linux/hardirq.h
    @@ -106,12 +106,7 @@ static inline void account_system_vtime(
    * always balanced, so the interrupted value of ->hardirq_context
    * will always be restored.
    */
    -#define irq_enter() \
    - do { \
    - account_system_vtime(current); \
    - add_preempt_count(HARDIRQ_OFFSET); \
    - trace_hardirq_enter(); \
    - } while (0)
    +extern void irq_enter(void);

    /*
    * Exit irq context without processing softirqs:
    Index: linux-2.6.20-rc4-mm1-bo/kernel/softirq.c
    ===================================================================
    --- linux-2.6.20-rc4-mm1-bo.orig/kernel/softirq.c
    +++ linux-2.6.20-rc4-mm1-bo/kernel/softirq.c
    @@ -273,6 +273,16 @@ EXPORT_SYMBOL(do_softirq);

    #endif

    +/*
    + * Enter an interrupt context.
    + */
    +void irq_enter(void)
    +{
    + account_system_vtime(current);
    + add_preempt_count(HARDIRQ_OFFSET);
    + trace_hardirq_enter();
    +}
    +
    #ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED
    # define invoke_softirq() __do_softirq()
    #else
    --

    -
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