[GIT PULL] KVM changes for Linux 5.7-rc6

From: Paolo Bonzini
Date: Sat May 16 2020 - 08:24:22 EST


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