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-rw-r--r--arch/powerpc/kvm/book3s_pr.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index e7a1fa2..faffb27 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -871,6 +871,15 @@ static int kvmppc_handle_fac(struct kvm_vcpu *vcpu, ulong fac)
return RESUME_GUEST;
}
+
+void kvmppc_set_fscr(struct kvm_vcpu *vcpu, u64 fscr)
+{
+ if ((vcpu->arch.fscr & FSCR_TAR) && !(fscr & FSCR_TAR)) {
+ /* TAR got dropped, drop it in shadow too */
+ kvmppc_giveup_fac(vcpu, FSCR_TAR_LG);
+ }
+ vcpu->arch.fscr = fscr;
+}
#endif
int kvmppc_handle_exit_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
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