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-rw-r--r--arch/powerpc/kvm/e500.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index a326178bdea5..72920bed3ac6 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -22,6 +22,7 @@
#include <linux/kvm_host.h>
#include <asm/mmu-book3e.h>
#include <asm/tlb.h>
+#include <asm/cputhreads.h>
enum vcpu_ftr {
VCPU_FTR_MMU_V2
@@ -289,6 +290,25 @@ void kvmppc_e500_tlbil_all(struct kvmppc_vcpu_e500 *vcpu_e500);
#define kvmppc_e500_get_tlb_stid(vcpu, gtlbe) get_tlb_tid(gtlbe)
#define get_tlbmiss_tid(vcpu) get_cur_pid(vcpu)
#define get_tlb_sts(gtlbe) (gtlbe->mas1 & MAS1_TS)
+
+/*
+ * These functions should be called with preemption disabled
+ * and the returned value is valid only in that context
+ */
+static inline int get_thread_specific_lpid(int vm_lpid)
+{
+ int vcpu_lpid = vm_lpid;
+
+ if (threads_per_core == 2)
+ vcpu_lpid |= smp_processor_id() & 1;
+
+ return vcpu_lpid;
+}
+
+static inline int get_lpid(struct kvm_vcpu *vcpu)
+{
+ return get_thread_specific_lpid(vcpu->kvm->arch.lpid);
+}
#else
unsigned int kvmppc_e500_get_tlb_stid(struct kvm_vcpu *vcpu,
struct kvm_book3e_206_tlb_entry *gtlbe);