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    Subject[PATCH RFC V4 1/3] kvm/config: Add config to support ple or cpu relax optimzation
    From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>

    Suggested-by: Avi Kivity <avi@redhat.com>
    Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
    ---
    arch/s390/kvm/Kconfig | 1 +
    arch/x86/kvm/Kconfig | 1 +
    virt/kvm/Kconfig | 3 +++
    3 files changed, 5 insertions(+), 0 deletions(-)

    diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
    index 78eb984..a6e2677 100644
    --- a/arch/s390/kvm/Kconfig
    +++ b/arch/s390/kvm/Kconfig
    @@ -21,6 +21,7 @@ config KVM
    depends on HAVE_KVM && EXPERIMENTAL
    select PREEMPT_NOTIFIERS
    select ANON_INODES
    + select HAVE_KVM_CPU_RELAX_INTERCEPT
    ---help---
    Support hosting paravirtualized guest machines using the SIE
    virtualization capability on the mainframe. This should work
    diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
    index a28f338..45c044f 100644
    --- a/arch/x86/kvm/Kconfig
    +++ b/arch/x86/kvm/Kconfig
    @@ -37,6 +37,7 @@ config KVM
    select TASK_DELAY_ACCT
    select PERF_EVENTS
    select HAVE_KVM_MSI
    + select HAVE_KVM_CPU_RELAX_INTERCEPT
    ---help---
    Support hosting fully virtualized guest machines using hardware
    virtualization extensions. You will need a fairly recent
    diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
    index 28694f4..d01b24b 100644
    --- a/virt/kvm/Kconfig
    +++ b/virt/kvm/Kconfig
    @@ -21,3 +21,6 @@ config KVM_ASYNC_PF

    config HAVE_KVM_MSI
    bool
    +
    +config HAVE_KVM_CPU_RELAX_INTERCEPT
    + bool


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