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Re: [Xen-devel] [PATCH v2 3/3] xen/sched: add minimalistic idle scheduler for free cpus
- To: Juergen Gross <jgross@xxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 27 Aug 2019 13:37:25 +0100
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- Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>
- Delivery-date: Tue, 27 Aug 2019 12:37:36 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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On 27/08/2019 11:59, Juergen Gross wrote:
> +static void *
> +sched_idle_alloc_vdata(const struct scheduler *ops, struct vcpu *v,
> + void *dd)
> +{
> + /* Any non-NULL pointer is fine here. */
> + return (void *)1UL;
As an observation, the vdata interface (and others, if applicable) could
do with being updated to use ERR_PTR(), just as done in c/s 340edc390
Passing 1 back here is rather dangerous.
~Andrew
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