Re: [Xen-devel] [PATCH] sched/core: Fix bug when moving a domain between cpupools

[Jürgen Groß <jgross@xxxxxxxx>]

On 27.03.20 20:30, Jeff Kubascik wrote:
> For each UNIT, sched_set_affinity is called before unit->priv is updated
> to the new cpupool private UNIT data structure. The issue is
> sched_set_affinity will call the adjust_affinity method of the cpupool.
> If defined, the new cpupool may use unit->priv (e.g. credit), which at
> this point still references the old cpupool private UNIT data structure.
>
> This change fixes the bug by moving the switch of unit->priv earler in
> the function.
>
> Signed-off-by: Jeff Kubascik <jeff.kubascik@xxxxxxxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen