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    SubjectRe: [PATCH][KVM][retry 3] Add support for Pause Filtering to AMD SVM

    * Mark Langsdorf <mark.langsdorf@amd.com> wrote:

    > diff --git a/include/linux/sched.h b/include/linux/sched.h
    > index b4c38bc..683bc65 100644
    > --- a/include/linux/sched.h
    > +++ b/include/linux/sched.h
    > @@ -2283,6 +2283,9 @@ static inline unsigned int task_cpu(const struct task_struct *p)
    > return task_thread_info(p)->cpu;
    > }
    >
    > +extern void set_task_delay(struct task_struct *p, unsigned int delay);

    > +++ b/kernel/sched.c
    > @@ -1947,6 +1947,11 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd)
    > return delta < (s64)sysctl_sched_migration_cost;
    > }
    >
    > +void set_task_delay(struct task_struct *p, unsigned int delay)
    > +{
    > + p->se.vruntime += delay;
    > +}
    > +EXPORT_SYMBOL(set_task_delay);

    vruntime is nice level scaled, so this is broken. Please run this
    through the scheduler folks, we can get a facility into an isolated
    brach for Avi to pull, but it needs some thought.

    Ingo


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