We can have critical sections on booke as well as book3s. Move the detection
code whether the guest is in a critical section to generic code.
Signed-off-by: Alexander Graf <agraf@xxxxxxx>
---
arch/powerpc/include/asm/kvm_ppc.h | 1 +
arch/powerpc/kvm/book3s.c | 26 --------------------------
arch/powerpc/kvm/powerpc.c | 26 ++++++++++++++++++++++++++
3 files changed, 27 insertions(+), 26 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index b141eae..6f7a4e5 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -117,6 +117,7 @@ extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
+extern bool kvmppc_critical_section(struct kvm_vcpu *vcpu);
extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 9f2a5ec..d66d31e06 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -90,32 +90,6 @@ static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
kvmppc_set_int_pending(vcpu, 0);
}
-static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
-{
- ulong crit_raw;
- ulong crit_r1;
- bool crit;
-
- if (is_kvmppc_hv_enabled(vcpu->kvm))
- return false;
-
- crit_raw = kvmppc_get_critical(vcpu);
- crit_r1 = kvmppc_get_gpr(vcpu, 1);
-
- /* Truncate crit indicators in 32 bit mode */
- if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
- crit_raw &= 0xffffffff;
- crit_r1 &= 0xffffffff;
- }
-
- /* Critical section when crit == r1 */
- crit = (crit_raw == crit_r1);
- /* ... and we're in supervisor mode */
- crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR);
-
- return crit;
-}
-
void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
{
kvmppc_set_srr0(vcpu, kvmppc_get_pc(vcpu));
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 5b1a8d6..2269799 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -57,6 +57,32 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
return 1;
}
+bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
+{
+ ulong crit_raw;
+ ulong crit_r1;
+ bool crit;
+
+ if (is_kvmppc_hv_enabled(vcpu->kvm))
+ return false;
+
+ crit_raw = kvmppc_get_critical(vcpu);
+ crit_r1 = kvmppc_get_gpr(vcpu, 1);
+
+ /* Truncate crit indicators in 32 bit mode */
+ if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
+ crit_raw &= 0xffffffff;
+ crit_r1 &= 0xffffffff;
+ }
+
+ /* Critical section when crit == r1 */
+ crit = (crit_raw == crit_r1);
+ /* ... and we're in supervisor mode */
+ crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR);
+
+ return crit;
+}
+
/*
* Common checks before entering the guest world. Call with interrupts
* disabled.
--
1.8.1.4
--
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