From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Convert handle_store_cpu_address() to new guest access functions.
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
arch/s390/kvm/priv.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 306caa2..36c34cf 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -134,23 +134,26 @@ static int handle_store_prefix(struct kvm_vcpu *vcpu)
static int handle_store_cpu_address(struct kvm_vcpu *vcpu)
{
- u64 useraddr;
+ u16 vcpu_id = vcpu->vcpu_id;
+ u64 ga;
+ int rc;
vcpu->stat.instruction_stap++;
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
- useraddr = kvm_s390_get_base_disp_s(vcpu);
+ ga = kvm_s390_get_base_disp_s(vcpu);
- if (useraddr & 1)
+ if (ga & 1)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
- if (put_guest(vcpu, vcpu->vcpu_id, (u16 __user *)useraddr))
- return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+ rc = write_guest(vcpu, ga, &vcpu_id, sizeof(vcpu_id));
+ if (rc)
+ return kvm_s390_inject_prog_cond(vcpu, rc);
- VCPU_EVENT(vcpu, 5, "storing cpu address to %llx", useraddr);
- trace_kvm_s390_handle_stap(vcpu, useraddr);
+ VCPU_EVENT(vcpu, 5, "storing cpu address to %llx", ga);
+ trace_kvm_s390_handle_stap(vcpu, ga);
return 0;
}
--
1.8.4.2
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