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authorAlexander Yarygin <yarygin@linux.vnet.ibm.com>2015-03-03 19:05:43 +0300
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-03-06 13:41:02 +0100
commit1f289a8429022f112be9817a81ff07308eb78a9c (patch)
tree4dacbd62f7242e96e86718707c5de1f25cb7a07b /arch/s390/kvm/guestdbg.c
parent16a0c4c3aa68423b306fb82f6b9a2794e76f6fc0 (diff)
KVM: s390: Use the read_guest_abs() in guest debug functions
The guest debug functions work on absolute addresses and should use the read_guest_abs() function rather than general read_guest() that works with logical addresses. Cc: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.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/guestdbg.c')
-rw-r--r--arch/s390/kvm/guestdbg.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/kvm/guestdbg.c b/arch/s390/kvm/guestdbg.c
index 3e8d4092ce30..e97b3455d7e6 100644
--- a/arch/s390/kvm/guestdbg.c
+++ b/arch/s390/kvm/guestdbg.c
@@ -191,8 +191,8 @@ static int __import_wp_info(struct kvm_vcpu *vcpu,
if (!wp_info->old_data)
return -ENOMEM;
/* try to backup the original value */
- ret = read_guest(vcpu, wp_info->phys_addr, wp_info->old_data,
- wp_info->len);
+ ret = read_guest_abs(vcpu, wp_info->phys_addr, wp_info->old_data,
+ wp_info->len);
if (ret) {
kfree(wp_info->old_data);
wp_info->old_data = NULL;
@@ -362,8 +362,8 @@ static struct kvm_hw_wp_info_arch *any_wp_changed(struct kvm_vcpu *vcpu)
continue;
/* refetch the wp data and compare it to the old value */
- if (!read_guest(vcpu, wp_info->phys_addr, temp,
- wp_info->len)) {
+ if (!read_guest_abs(vcpu, wp_info->phys_addr, temp,
+ wp_info->len)) {
if (memcmp(temp, wp_info->old_data, wp_info->len)) {
kfree(temp);
return wp_info;