Commit b75f4c9a authored Mar 03, 2015 by Ekaterina Tumanova Committed by Christian Borntraeger Mar 06, 2015

KVM: s390: Zero out current VMDB of STSI before including level3 data.



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>

parent fb5bf93f

arch/s390/kvm/priv.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -467,6 +467,7 @@ 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;