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KVM: s390: fixes and features

Browse source 
- more kvm stat counters
 - virtio gpu plumbing. The 3 non-KVM/s390 patches have Acks from
   Bartlomiej Zolnierkiewicz, Heiko Carstens and Greg Kroah-Hartman
   but all belong together to make virtio-gpu work as a tty. So
   I carried them in the KVM/s390 tree.
 - document some KVM_CAPs
 - cpu-model only facilities
 - cleanups
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Merge tag 'kvm-s390-next-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: fixes and features

- more kvm stat counters
- virtio gpu plumbing. The 3 non-KVM/s390 patches have Acks from
  Bartlomiej Zolnierkiewicz, Heiko Carstens and Greg Kroah-Hartman
  but all belong together to make virtio-gpu work as a tty. So
  I carried them in the KVM/s390 tree.
- document some KVM_CAPs
- cpu-model only facilities
- cleanups
This commit is contained in:
Paolo Bonzini 2018-03-16 22:03:18 +01:00
commit 4956aa3b8b
18 changed files with 249 additions and 119 deletions
Download patch file Download diff file Expand all files Collapse all files

30
Documentation/virtual/kvm/api.txt
View file

@ -4555,3 +4555,33 @@ Parameters: none
This capability indicates if the flic device will be able to get/set the
AIS states for migration via the KVM_DEV_FLIC_AISM_ALL attribute and allows
to discover this without having to create a flic device.
8.14 KVM_CAP_S390_PSW
Architectures: s390
This capability indicates that the PSW is exposed via the kvm_run structure.
8.15 KVM_CAP_S390_GMAP
Architectures: s390
This capability indicates that the user space memory used as guest mapping can
be anywhere in the user memory address space, as long as the memory slots are
aligned and sized to a segment (1MB) boundary.
8.16 KVM_CAP_S390_COW
Architectures: s390
This capability indicates that the user space memory used as guest mapping can
use copy-on-write semantics as well as dirty pages tracking via read-only page
tables.
8.17 KVM_CAP_S390_BPB
Architectures: s390
This capability indicates that kvm will implement the interfaces to handle
reset, migration and nested KVM for branch prediction blocking. The stfle
facility 82 should not be provided to the guest without this capability.