Support for KVM_GET/SET_VCPU_EVENTS to get/set the SError exception
state, and support the state migration.

change since v4:
1. update the linux header file to 4.18-rc5 

change since v3:
1. Add a new new subsection with a suitable 'ras_needed' function
controlling whether it is present
2. Add a ARM_FEATURE_RAS feature bit for CPUARMState

change since v2:
1. add header definition for arm platform

change since v1:
1. update the code to fix the build errors

The related kernel change has been already applied to kvmarm/next.
(https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git/log/?h=next)

Dongjiu Geng (3):
  Update Linux headers to 4.18-rc5
  kvm: sync linux headers
  target: arm: Add support for VCPU event states

 include/standard-headers/linux/virtio_config.h | 16 +++++--
 linux-headers/asm-arm/kvm.h                    | 13 ++++++
 linux-headers/asm-arm64/kvm.h                  | 13 ++++++
 linux-headers/asm-mips/unistd.h                | 18 +++++---
 linux-headers/asm-powerpc/kvm.h                |  1 +
 linux-headers/asm-powerpc/unistd.h             |  1 +
 linux-headers/asm-s390/unistd_32.h             |  2 +
 linux-headers/asm-s390/unistd_64.h             |  2 +
 linux-headers/linux/kvm.h                      |  1 +
 target/arm/cpu.h                               |  6 +++
 target/arm/kvm64.c                             | 59 ++++++++++++++++++++++++++
 target/arm/machine.c                           | 22 ++++++++++
 12 files changed, 144 insertions(+), 10 deletions(-)

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1.8.3.1