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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-01-01 16:53:49 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-04-22 13:24:44 +0200
commitef23e7790e148041d159c1f710bee2b7b2f0d8cd (patch)
tree22db21eebd91beb50f2e9656d8fc3f00f6cdca8e
parent8b96de0e0359b731b1e5ec897f217f8bf7e5903f (diff)
downloadlinux-ef23e7790e148041d159c1f710bee2b7b2f0d8cd.tar.bz2
KVM: s390: convert handle_test_block()
Convert handle_test_block() 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>
-rw-r--r--arch/s390/kvm/priv.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 36c34cf22889..5abfd531a8f1 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -198,7 +198,6 @@ static int handle_ipte_interlock(struct kvm_vcpu *vcpu)
static int handle_test_block(struct kvm_vcpu *vcpu)
{
- unsigned long hva;
gpa_t addr;
int reg2;
@@ -209,14 +208,13 @@ static int handle_test_block(struct kvm_vcpu *vcpu)
addr = vcpu->run->s.regs.gprs[reg2] & PAGE_MASK;
addr = kvm_s390_real_to_abs(vcpu, addr);
- hva = gfn_to_hva(vcpu->kvm, gpa_to_gfn(addr));
- if (kvm_is_error_hva(hva))
+ if (kvm_is_error_gpa(vcpu->kvm, addr))
return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
/*
* We don't expect errors on modern systems, and do not care
* about storage keys (yet), so let's just clear the page.
*/
- if (clear_user((void __user *)hva, PAGE_SIZE) != 0)
+ if (kvm_clear_guest(vcpu->kvm, addr, PAGE_SIZE))
return -EFAULT;
kvm_s390_set_psw_cc(vcpu, 0);
vcpu->run->s.regs.gprs[0] = 0;