Hi! > We introduce a configuration variable for the feature to make it easier for > various architectures and/or configs to enable or disable it based on their > requirements. > > Signed-off-by: Gregory Haskins <[EMAIL PROTECTED]> > --- > > kernel/Kconfig.preempt | 9 +++++++++ > kernel/spinlock.c | 7 +++---- > lib/Kconfig.debug | 1 + > 3 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt > index 41a0d88..5b45213 100644 > --- a/kernel/Kconfig.preempt > +++ b/kernel/Kconfig.preempt > @@ -86,6 +86,15 @@ config PREEMPT > default y > depends on PREEMPT_DESKTOP || PREEMPT_RT > > +config DISABLE_PREEMPT_SPINLOCK_WAITERS > + bool > + default n > + > +config PREEMPT_SPINLOCK_WAITERS > + bool > + default y > + depends on PREEMPT && SMP && !DISABLE_PREEMPT_SPINLOCK_WAITERS
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