Re: [PATCH] xen/events: Always allocate legacy interrupts on PV guests

From: David Vrabel
Date: Tue Nov 17 2015 - 10:38:30 EST


On 17/11/15 15:36, Boris Ostrovsky wrote:
> After commit 8c058b0b9c34 ("x86/irq: Probe for PIC presence before
> allocating descs for legacy IRQs") early_irq_init() will no longer
> preallocate descriptors for legacy interrupts if PIT does not
> exist.
>
> Therefore we need to allocate those descriptors for PV guests
> ourselves.
>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>

David
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