[GIT PULL] KVM changes for Linux 5.7-rc6

[Paolo Bonzini]

Linus,

The following changes since commit 2673cb6849722a4ffd74c27a9200a9ec43f64be3:

  Merge tag 'kvm-s390-master-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD (2020-05-06 08:09:17 -0400)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus

for you to fetch changes up to c4e0e4ab4cf3ec2b3f0b628ead108d677644ebd9:

  KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce (2020-05-15 13:48:56 -0400)

----------------------------------------------------------------
A new testcase for guest debugging (gdbstub) that exposed a bunch of
bugs, mostly for AMD processors.  And a few other x86 fixes.

----------------------------------------------------------------
Babu Moger (1):
      KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c

Jim Mattson (1):
      KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce

Paolo Bonzini (6):
      KVM: x86: fix DR6 delivery for various cases of #DB injection
      KVM: nSVM: trap #DB and #BP to userspace if guest debugging is on
      KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6
      KVM: x86, SVM: isolate vcpu->arch.dr6 from vmcb->save.dr6
      KVM: VMX: pass correct DR6 for GD userspace exit
      Merge branch 'kvm-amd-fixes' into HEAD

Peter Xu (4):
      KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly
      KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG
      KVM: X86: Fix single-step with KVM_SET_GUEST_DEBUG
      KVM: selftests: Add KVM_SET_GUEST_DEBUG test

Suravee Suthikulpanit (2):
      KVM: Introduce kvm_make_all_cpus_request_except()
      KVM: SVM: Disable AVIC before setting V_IRQ

 arch/x86/include/asm/kvm_host.h                 |   4 +-
 arch/x86/kvm/hyperv.c                           |   2 +-
 arch/x86/kvm/svm/nested.c                       |  39 ++++-
 arch/x86/kvm/svm/svm.c                          |  36 +++--
 arch/x86/kvm/vmx/vmx.c                          |  41 +----
 arch/x86/kvm/x86.c                              |  60 ++++---
 include/linux/kvm_host.h                        |   3 +
 tools/testing/selftests/kvm/Makefile            |   1 +
 tools/testing/selftests/kvm/include/kvm_util.h  |   2 +
 tools/testing/selftests/kvm/lib/kvm_util.c      |   9 ++
 tools/testing/selftests/kvm/x86_64/debug_regs.c | 202 ++++++++++++++++++++++++
 virt/kvm/kvm_main.c                             |  14 +-
 12 files changed, 325 insertions(+), 88 deletions(-)
 create mode 100644 tools/testing/selftests/kvm/x86_64/debug_regs.c