Re: [RFC PATCH 1/3] kvm: keep track of which task is running a KVM vcpu

Rik van Riel
2010-12-03T14:16:35Z

On 12/03/2010 07:17 AM, Srivatsa Vaddagiri wrote:
> On Thu, Dec 02, 2010 at 02:43:24PM -0500, Rik van Riel wrote:
>> mutex_lock(&vcpu->mutex);
>> + vcpu->task = current;
>
> Shouldn't we grab reference to current task_struct before storing a pointer to
> it?

That should not be needed, since current cannot go away without
setting vcpu->task back to NULL in vcpu_put.

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