On 02/12/2015 12:06, Christian Borntraeger wrote:
> 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 reposi 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(-)
>
Pulled, thanks.
Paolo
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