From 14375bc4eb8dd0fb0e765390650564c35bb31068 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Mon, 25 Oct 2010 16:10:51 +0200 Subject: [S390] cleanup facility list handling Store the facility list once at system startup with stfl/stfle and reuse the result for all facility tests. Signed-off-by: Martin Schwidefsky --- arch/s390/kvm/priv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/s390/kvm/priv.c') diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 44205507717c..9194a4b52b22 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -154,12 +154,12 @@ static int handle_chsc(struct kvm_vcpu *vcpu) static int handle_stfl(struct kvm_vcpu *vcpu) { - unsigned int facility_list = stfl(); + unsigned int facility_list; int rc; vcpu->stat.instruction_stfl++; /* only pass the facility bits, which we can handle */ - facility_list &= 0xff00fff3; + facility_list = S390_lowcore.stfl_fac_list & 0xff00fff3; rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), &facility_list, sizeof(facility_list)); -- cgit v1.2.1