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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2008-07-30 01:48:42 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-31 12:57:18 +0400 |
| commit | 1f4170e12db06fdde5279d665a7e6e2976b2b623 (patch) | |
| tree | 6e804c79330dc3b93d05c56e66c9d53c461cd0a9 /arch | |
| parent | ed8486243379ef3e6c61363df915882945c0eaec (diff) | |
| download | linux-1f4170e12db06fdde5279d665a7e6e2976b2b623.tar.xz | |
KVM: s390: Fix kvm on IBM System z10
The z10 system supports large pages, kvm-s390 doesnt.
Make sure that we dont advertise large pages to avoid the guest crashing as
soon as the guest kernel activates DAT.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.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 2e2d2ffb6a07..d1faf5c54405 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -158,6 +158,7 @@ static int handle_stfl(struct kvm_vcpu *vcpu) vcpu->stat.instruction_stfl++; facility_list &= ~(1UL<<24); /* no stfle */ + facility_list &= ~(1UL<<23); /* no large pages */ rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), &facility_list, sizeof(facility_list)); |