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Re: [PATCH v1 12/14] xen/riscv: implement setup_irq()
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 17 Apr 2025 13:51:00 +0200
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Romain Caritey <Romain.Caritey@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 17 Apr 2025 11:51:16 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 17.04.2025 12:10, Oleksii Kurochko wrote:
> On 4/15/25 5:55 PM, Jan Beulich wrote
>>> + /*
>>> + * we don't care for now which CPU will receive the
>>> + * interrupt
>>> + *
>>> + * TODO: Handle case where IRQ is setup on different CPU than
>>> + * the targeted CPU and the priority.
>>> + */
>>> + irq_set_affinity(desc, cpumask_of(smp_processor_id()));
>>> + desc->handler->startup(desc);
>>> + /* enable irq */
>>> + clear_bit(_IRQ_DISABLED, &desc->status);
>> Now it turns out this is really done twice: Once in aplic_irq_enable(),
>> and once here.
>
> Agree, this is a job of *_startup()->*_aplic_irq_enable(). I'll drop that too.
Wait - see my comment there. I think it belongs here, not there.
Jan
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