diff options
| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2011-07-24 10:48:17 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-07-24 10:48:20 +0200 |
| commit | bb25b9ba3e33e941dc48048d0a784e6a05e5648a (patch) | |
| tree | 687caacfbe9165dd80d2e29af4b68ce32216e28d /arch/s390/include/asm | |
| parent | b02f0c2ea25781e0f94b4fc8f6f85582057857b3 (diff) | |
[S390] kvm: handle tprot intercepts
When running a kvm guest we can get intercepts for tprot, if the host
page table is read-only or not populated. This patch implements the
most common case (linux memory detection).
This also allows host copy on write for guest memory on newer systems.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index cef7dbf69df..e9bcdca32a3 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -138,6 +138,7 @@ struct kvm_vcpu_stat { u32 instruction_chsc; u32 instruction_stsi; u32 instruction_stfl; + u32 instruction_tprot; u32 instruction_sigp_sense; u32 instruction_sigp_emergency; u32 instruction_sigp_stop; |