diff options
| author | Ekaterina Tumanova <tumanova@linux.vnet.ibm.com> | 2015-03-03 09:54:41 +0100 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-05-17 19:11:48 -0400 |
| commit | abd80ecb36d1f41f0498e57251d0c9aa2e3deb83 (patch) | |
| tree | be25abb5af4645a77aebcd54909827168d3b77dd /arch | |
| parent | b7c23d30eeb287801113c66e10c0d79387ee02e1 (diff) | |
KVM: s390: Zero out current VMDB of STSI before including level3 data.
[ Upstream commit b75f4c9afac2604feb971441116c07a24ecca1ec ]
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>
Cc: stable@vger.kernel.org
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.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 69cd0ce84b1e..a30102c4d707 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -470,6 +470,7 @@ 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; |