OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

s390x/kvm: don't enable CMMA when hugetlbfs will be used

Browse Source 
On hugetlbfs CMMA will not be useful as every ESSA instruction will trap.
So don't offer CMMA to guests with a hugepages backing.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Dominik Dingel 2015-08-11 11:12:12 +02:00 committed by Cornelia Huck
parent ae23a33591
commit 4c292a0097
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target-s390x/kvm.c
View File

@ -258,7 +258,9 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
cap_mem_op = kvm_check_extension(s, KVM_CAP_S390_MEM_OP);
cap_s390_irq = kvm_check_extension(s, KVM_CAP_S390_INJECT_IRQ);
kvm_s390_enable_cmma(s);
if (!mem_path) {
kvm_s390_enable_cmma(s);
}
if (!kvm_check_extension(s, KVM_CAP_S390_GMAP)
|| !kvm_check_extension(s, KVM_CAP_S390_COW)) {