Messages in this thread Patch in this message | | | From | Sean Christopherson <> | Subject | [PATCH 13/13] KVM: x86: Allow userspace to disable the kernel's emulator | Date | Fri, 22 Nov 2019 14:39:59 -0800 |
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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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