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Subject[GIT PULL] Final batch of KVM changes for Linux 5.3.

The following changes since commit a7f89616b7376495424f682b6086e0c391a89a1d:

Merge branch 'for-5.3-fixes' of git:// (2019-09-13 09:52:01 +0100)

are available in the git repository at: tags/for-linus

for you to fetch changes up to a9c20bb0206ae9384bd470a6832dd8913730add9:

Merge tag 'kvm-s390-master-5.3-1' of git:// into kvm-master (2019-09-14 09:25:30 +0200)


The main change here is a revert of reverts. We recently simplified some
code that was thought unnecessary; however, since then KVM has grown quite
a few cond_resched()s and for that reason the simplified code is prone to
livelocks---one CPUs tries to empty a list of guest page tables while the
others keep adding to them. This adds back the generation-based zapping of
guest page tables, which was not unnecessary after all.

On top of this, there is a fix for a kernel memory leak and a couple of
s390 fixlets as well.

Fuqian Huang (1):
KVM: x86: work around leak of uninitialized stack contents

Igor Mammedov (1):
KVM: s390: kvm_s390_vm_start_migration: check dirty_bitmap before using it as target for memset()

Paolo Bonzini (2):
KVM: nVMX: handle page fault in vmread
Merge tag 'kvm-s390-master-5.3-1' of git:// into kvm-master

Sean Christopherson (1):
KVM: x86/mmu: Reintroduce fast invalidate/zap for flushing memslot

Thomas Huth (1):
KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl

arch/s390/kvm/interrupt.c | 10 ++++
arch/s390/kvm/kvm-s390.c | 4 +-
arch/x86/include/asm/kvm_host.h | 2 +
arch/x86/kvm/mmu.c | 101 +++++++++++++++++++++++++++++++++++++++-
arch/x86/kvm/vmx/nested.c | 4 +-
arch/x86/kvm/x86.c | 7 +++
6 files changed, 124 insertions(+), 4 deletions(-)

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