Paolo,
here is the first s390 pull request for 4.5. It also contains the
remaining vcpu lookup changes and an improved cleanup of the kvm_stat
exit path.
I have deferred the kvm_stat per VM patches.
The s390 changes are:
- ESCA support (up to 248 CPUs)
- detection if KVM works (e.g. for nested virtualization)
- cleanups
The following changes since commit bb11c6c96544737aede6a2eb92e5c6bc8b46534b:
KVM: x86: MMU: Remove unused parameter parent_pte from kvm_mmu_get_page() (2015-11-26 15:31:36 +0100)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/kvm-s390-next-4.5-1
for you to fetch changes up to 2f8a43d45d14ad62b105ed99151b453c12df7149:
KVM: s390: remove redudant assigment of error code (2015-11-30 12:47:13 +0100)
----------------------------------------------------------------
KVM: s390 features, kvm_get_vcpu_by_id and stat
Several features for s390
1. ESCA support (up to 248 vCPUs)
2. KVM detection: we can now detect if we support KVM (e.g. does KVM
under KVM work?)
kvm_stat:
1. cleanup
kvm_get_vcpu_by_id:
1. Use kvm_get_vcpu_by_id where appropriate
2. Apply a heuristic to optimize for ID VCPU == No. VCPU
----------------------------------------------------------------
Christian Borntraeger (1):
KVM: s390: remove redudant assigment of error code
David Hildenbrand (12):
KVM: Use common function for VCPU lookup by id
KVM: use heuristic for fast VCPU lookup by id
KVM: s390: rewrite vcpu_post_run and drop out early
KVM: s390: fast path for sca_ext_call_pending
KVM: s390: we always have a SCA
KVM: s390: fix SCA related races and double use
KVM: s390: always set/clear the SCA sda field
KVM: s390: cleanup sca_add_vcpu
KVM: s390: don't switch to ESCA for ucontrol
s390/sclp: introduce check for SIE
s390: show virtualization support in /proc/cpuinfo
KVM: s390: don't load kvm without virtualization support
Eugene (jno) Dvurechenski (8):
s390/sclp: introduce checks for ESCA and HVS
KVM: s390: Generalize access to IPTE controls
KVM: s390: Generalize access to SIGP controls
KVM: s390: Provide SCA-aware helpers for VCPU add/del
KVM: s390: Introduce new structures
KVM: s390: Make provisions for ESCA utilization
KVM: s390: Introduce switching code
KVM: s390: Enable up to 248 VCPUs per VM
Heiko Carstens (1):
KVM: s390: remove pointless test_facility(2) check
Janosch Frank (1):
KVM: Remove unnecessary debugfs dentry references
arch/powerpc/kvm/book3s_hv.c | 10 +-
arch/s390/include/asm/elf.h | 7 ++
arch/s390/include/asm/kvm_host.h | 49 +++++++-
arch/s390/include/asm/sclp.h | 8 +-
arch/s390/kernel/processor.c | 6 +
arch/s390/kernel/setup.c | 9 ++
arch/s390/kvm/diag.c | 11 +-
arch/s390/kvm/gaccess.c | 38 +++++--
arch/s390/kvm/intercept.c | 7 +-
arch/s390/kvm/interrupt.c | 133 +++++++++++++++++-----
arch/s390/kvm/kvm-s390.c | 237 +++++++++++++++++++++++++++------------
arch/s390/kvm/kvm-s390.h | 7 ++
drivers/s390/char/sclp_early.c | 8 +-
include/linux/kvm_host.h | 6 +-
virt/kvm/kvm_main.c | 30 ++---
15 files changed, 407 insertions(+), 159 deletions(-)
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