On Mon, Nov 28, 2016 at 6:06 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> On Sun, 27 Nov 2016, Kyle Huey wrote:
>> +DEFINE_PER_CPU(u64, msr_misc_features_shadow);
>> +
>> +static void set_cpuid_faulting(bool on)
>> +{
>> + u64 msrval;
>> +
>> + DEBUG_LOCKS_WARN_ON(!irqs_disabled());
>
> The arch_prctl code path does not have interrupts disabled and there is no
> reason why it should have.
Yes, indeed. Removed.
- Kyle
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