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    Subject[PATCH RFC V5 02/11] x86/ticketlock: don't inline _spin_unlock when using paravirt spinlocks
    Date
    From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

    The code size expands somewhat, and its probably better to just call
    a function rather than inline it.

    Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
    ---
    arch/x86/Kconfig | 3 +++
    kernel/Kconfig.locks | 2 +-
    2 files changed, 4 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
    index 6a47bb2..1f03f82 100644
    --- a/arch/x86/Kconfig
    +++ b/arch/x86/Kconfig
    @@ -585,6 +585,9 @@ config PARAVIRT_SPINLOCKS

    If you are unsure how to answer this question, answer N.

    +config ARCH_NOINLINE_SPIN_UNLOCK
    + def_bool PARAVIRT_SPINLOCKS
    +
    config PARAVIRT_CLOCK
    bool

    diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
    index 5068e2a..584637b 100644
    --- a/kernel/Kconfig.locks
    +++ b/kernel/Kconfig.locks
    @@ -125,7 +125,7 @@ config INLINE_SPIN_LOCK_IRQSAVE
    ARCH_INLINE_SPIN_LOCK_IRQSAVE

    config INLINE_SPIN_UNLOCK
    - def_bool !DEBUG_SPINLOCK && (!PREEMPT || ARCH_INLINE_SPIN_UNLOCK)
    + def_bool !DEBUG_SPINLOCK && (!PREEMPT || ARCH_INLINE_SPIN_UNLOCK) && !ARCH_NOINLINE_SPIN_UNLOCK

    config INLINE_SPIN_UNLOCK_BH
    def_bool !DEBUG_SPINLOCK && ARCH_INLINE_SPIN_UNLOCK_BH
    --
    1.7.6.4


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