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KVM: s390: convert handle_set_clock()

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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>
This commit is contained in:
Heiko Carstens 2014-01-01 16:50:11 +01:00 committed by Christian Borntraeger
parent 665170cb47
commit 0e7a3f9405
1 changed files with 4 additions and 3 deletions
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7
arch/s390/kvm/priv.c
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@ -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);