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kvm: Provide kvm_vcpu_eligible_for_directed_yield() stub

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Commit 7940876e13 ("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: Scott 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: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 4a55dd7273)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Scott Wood 2014-01-09 18:43:16 -06:00 committed by Christoffer Dall
parent 3b254a9515
commit 328c366d43
1 changed files with 4 additions and 2 deletions
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6
virt/kvm/kvm_main.c
View File

@ -1731,7 +1731,6 @@ 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:
@ -1756,6 +1755,7 @@ 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 ||
@ -1766,8 +1766,10 @@ 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)
{