diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2014-01-01 15:50:11 (GMT) |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 11:24:42 (GMT) |
| commit | 0e7a3f9405d327bdc55ef1cdca7b63486b1916a0 (patch) | |
| tree | 4d07ed81824353fefc409d53bb0990e1b23a3064 /arch/s390/kvm/priv.c | |
| parent | 665170cb47acbddc202df0d8487ca867b64e1604 (diff) | |
| download | linux-0e7a3f9405d327bdc55ef1cdca7b63486b1916a0.tar.xz | |
KVM: s390: convert handle_set_clock()
Convert handle_set_clock() to new guest access functions.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/priv.c')
| -rw-r--r-- | arch/s390/kvm/priv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index dd6ad84..9648504 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -35,8 +35,8 @@ static int handle_set_clock(struct kvm_vcpu *vcpu) { struct kvm_vcpu *cpup; s64 hostclk, val; + int i, rc; u64 op2; - int i; if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); @@ -44,8 +44,9 @@ static int handle_set_clock(struct kvm_vcpu *vcpu) op2 = kvm_s390_get_base_disp_s(vcpu); if (op2 & 7) /* Operand must be on a doubleword boundary */ return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - if (get_guest(vcpu, val, (u64 __user *) op2)) - return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); + rc = read_guest(vcpu, op2, &val, sizeof(val)); + if (rc) + return kvm_s390_inject_prog_cond(vcpu, rc); if (store_tod_clock(&hostclk)) { kvm_s390_set_psw_cc(vcpu, 3); |