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| author |   David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-04-16 12:32:41 +0200 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:21 +0200 |
| commit | efed110446226c725268a1f980806d799990a979 (patch) | |
| tree | 57904b3f0e6c768ff3335a3a62e616ec8f53d223 | |
| parent | s390/sclp: detect guest-storage-limit-suppression (diff) | |
| download | linux-dev-efed110446226c725268a1f980806d799990a979.tar.xz linux-dev-efed110446226c725268a1f980806d799990a979.zip | |
KVM: s390: handle missing guest-storage-limit-suppression
If guest-storage-limit-suppression is not available, we would for now
have a valid guest address space with size 0. So let's simply set the
origin to 0 and the limit to hamax.
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 4 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index b2a83a0ce42c..9eed5c18a61c 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -186,7 +186,9 @@ struct kvm_s390_sie_block { __u32 scaol; /* 0x0064 */ __u8 reserved68[4]; /* 0x0068 */ __u32 todpr; /* 0x006c */ - __u8 reserved70[32]; /* 0x0070 */ + __u8 reserved70[16]; /* 0x0070 */ + __u64 mso; /* 0x0080 */ + __u64 msl; /* 0x0088 */ psw_t gpsw; /* 0x0090 */ __u64 gg14; /* 0x00a0 */ __u64 gg15; /* 0x00a8 */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f695c6e08337..2a239554eb89 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1897,6 +1897,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, vcpu->arch.sie_block = &sie_page->sie_block; vcpu->arch.sie_block->itdba = (unsigned long) &sie_page->itdb; + /* the real guest size will always be smaller than msl */ + vcpu->arch.sie_block->mso = 0; + vcpu->arch.sie_block->msl = sclp.hamax; + vcpu->arch.sie_block->icpua = id; spin_lock_init(&vcpu->arch.local_int.lock); vcpu->arch.local_int.float_int = &kvm->arch.float_int; |