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    Subject[PATCH 13/13] KVM: x86: Allow userspace to disable the kernel's emulator
    Date
    Expose the emulator control to userspace via a module param.

    Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
    ---
    arch/x86/kvm/x86.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
    index 312dd5f8172c..4e5a27874656 100644
    --- a/arch/x86/kvm/x86.c
    +++ b/arch/x86/kvm/x86.c
    @@ -155,7 +155,8 @@ EXPORT_SYMBOL_GPL(enable_vmware_backdoor);
    static bool __read_mostly force_emulation_prefix = false;
    module_param(force_emulation_prefix, bool, S_IRUGO);

    -static const bool enable_emulator = true;
    +static bool __read_mostly enable_emulator = true;
    +module_param_named(emulator, enable_emulator, bool, 0440);

    int __read_mostly pi_inject_timer = -1;
    module_param(pi_inject_timer, bint, S_IRUGO | S_IWUSR);
    --
    2.24.0
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