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Commit 4a55dd72 authored by Scott Wood's avatar Scott Wood Committed by Paolo Bonzini
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kvm: Provide kvm_vcpu_eligible_for_directed_yield() stub 



Commit 7940876e ("kvm: make local
functions static") broke KVM PPC builds due to removing (rather than
moving) the stub version of kvm_vcpu_eligible_for_directed_yield().

This patch reintroduces it.

Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Alexander Graf <agraf@suse.de>
[Move the #ifdef inside the function. - Paolo]
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent e81d1ad3

virt/kvm/kvm_main.c

+4 −2
Original line number Diff line number Diff line
@@ -1735,7 +1735,6 @@ bool kvm_vcpu_yield_to(struct kvm_vcpu *target) 
}

EXPORT_SYMBOL_GPL(kvm_vcpu_yield_to);



#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT

/*

 * Helper that checks whether a VCPU is eligible for directed yield.

 * Most eligible candidate to yield is decided by following heuristics:
@@ -1760,6 +1759,7 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_yield_to); 
 */

static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu)

{

#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT

	bool eligible;



	eligible = !vcpu->spin_loop.in_spin_loop ||
@@ -1770,8 +1770,10 @@ static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu) 
		kvm_vcpu_set_dy_eligible(vcpu, !vcpu->spin_loop.dy_eligible);



	return eligible;

}

#else

	return true;

#endif

}



void kvm_vcpu_on_spin(struct kvm_vcpu *me)

{