Re: [patch] x86: kvm: Convert i8254/i8259 locks to raw_spinlocks

Avi Kivity
2010-02-18T09:20:46Z

On 02/18/2010 11:12 AM, Jan Kiszka wrote:
> Thomas Gleixner wrote:
>
>> The i8254/i8259 locks need to be real spinlocks on preempt-rt. Convert
>> them to raw_spinlock. No change for !RT kernels.
>>
> Last time I ran KVM over RT, I also had to convert requests_lock (struct
> kvm): make_all_cpus_request assumes that this lock prevents migration.
>
>

True. Will commit something to that effect.

Meanwhile, if anyone has any idea how to kill this lock, I'd love to see it.

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error compiling committee.c: too many arguments to function