diff options
| author | Ekaterina Tumanova <tumanova@linux.vnet.ibm.com> | 2015-03-03 09:54:41 +0100 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-09-18 09:20:23 +0800 |
| commit | cd440e0c3ff86c3dbc7bffea5fe7a3f083287880 (patch) | |
| tree | 80f03fae673b4b62fcd7a75603f42e8c36436b68 /arch | |
| parent | 4d2837d5dd82474f3f4eab26e1cab49172084b6f (diff) | |
KVM: s390: Zero out current VMDB of STSI before including level3 data.
commit b75f4c9afac2604feb971441116c07a24ecca1ec upstream.
s390 documentation requires words 0 and 10-15 to be reserved and stored as
zeros. As we fill out all other fields, we can memset the full structure.
Signed-off-by: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Zefan Li <lizefan@huawei.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/priv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index e5a45dbd26ac..f641458e86b4 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -218,6 +218,7 @@ static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem) for (n = mem->count - 1; n > 0 ; n--) memcpy(&mem->vm[n], &mem->vm[n - 1], sizeof(mem->vm[0])); + memset(&mem->vm[0], 0, sizeof(mem->vm[0])); mem->vm[0].cpus_total = cpus; mem->vm[0].cpus_configured = cpus; mem->vm[0].cpus_standby = 0; |