On Mon, 2011-10-24 at 00:37 +0530, Raghavendra K T wrote: > This patch extends Linux guests running on KVM hypervisor to support > pv-ticketlocks. Very early during bootup, paravirtualied KVM guest detects if > the hypervisor has required feature (KVM_FEATURE_WAIT_FOR_KICK) to support > pv-ticketlocks. If so, support for pv-ticketlocks is registered via pv_lock_ops. > > Signed-off-by: Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Suzuki Poulose <suzuki@xxxxxxxxxx> > Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx> > --- > diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h > index 2874c19..c7f34b7 100644 > --- a/arch/x86/include/asm/kvm_para.h > +++ b/arch/x86/include/asm/kvm_para.h > @@ -195,10 +195,18 @@ void kvm_async_pf_task_wait(u32 token); > void kvm_async_pf_task_wake(u32 token); > u32 kvm_read_and_reset_pf_reason(void); > extern void kvm_disable_steal_time(void); > -#else > + > +#ifdef CONFIG_PARAVIRT_SPINLOCKS > +void __init kvm_guest_early_init(void); > +#else /* CONFIG_PARAVIRT_SPINLOCKS */ > +#define kvm_guest_early_init() do { } while (0) This should be defined as an empty function. -- Sasha. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html