[PATCH v3 1/5] KVM: add kvm_has_request wrapper

From: Radim KrÄmÃÅ
Date: Fri Aug 14 2015 - 06:13:00 EST


We want to have requests abstracted from bit operations.

Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Signed-off-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
---
v3: acked by Christian

arch/x86/kvm/vmx.c | 2 +-
include/linux/kvm_host.h | 7 ++++++-
2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4cf25b90dbe0..40c6180a0ecb 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5809,7 +5809,7 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
if (intr_window_requested && vmx_interrupt_allowed(vcpu))
return handle_interrupt_window(&vmx->vcpu);

- if (test_bit(KVM_REQ_EVENT, &vcpu->requests))
+ if (kvm_has_request(KVM_REQ_EVENT, vcpu))
return 1;

err = emulate_instruction(vcpu, EMULTYPE_NO_REEXECUTE);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 27ccdf91a465..52e388367a26 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1089,9 +1089,14 @@ static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
set_bit(req, &vcpu->requests);
}

+static inline bool kvm_has_request(int req, struct kvm_vcpu *vcpu)
+{
+ return test_bit(req, &vcpu->requests);
+}
+
static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
{
- if (test_bit(req, &vcpu->requests)) {
+ if (kvm_has_request(req, vcpu)) {
clear_bit(req, &vcpu->requests);
return true;
} else {
--
2.5.0

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