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Groups > linux.kernel > #1447076
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe |
| Date | 2016-07-20 10:20 +0200 |
| Message-ID | <rWUTw-7mO-21@gated-at.bofh.it> (permalink) |
| References | <rWCWB-4qE-3@gated-at.bofh.it> <rWCWD-4qE-49@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, 19 Jul 2016, Eric Auger wrote:
> +bool msi_doorbell_safe(void)
> +{
> + struct irqchip_doorbell *db;
> + bool irq_remapping = true;
> +
> + mutex_lock(&irqchip_doorbell_mutex);
> + list_for_each_entry(db, &irqchip_doorbell_list, next) {
> + irq_remapping &= db->info.irq_remapping;
db->info.irq_remapping is set in msi_doorbell_register(). So you can keep book
about that there. No need to iterate here.
Thanks,
tglx
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[PATCH v11 00/10] KVM PCIe/MSI passthrough on ARM/ARM64: kernel part 2/3: msi changes Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
[PATCH v11 02/10] genirq/msi: msi_compose wrapper Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
[PATCH v11 09/10] genirq/msi: map/unmap the MSI doorbells on msi_domain_alloc/free_irqs Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
Re: [PATCH v11 09/10] genirq/msi: map/unmap the MSI doorbells on msi_domain_alloc/free_irqs Thomas Gleixner <tglx@linutronix.de> - 2016-07-20 11:10 +0200
Re: [PATCH v11 09/10] genirq/msi: map/unmap the MSI doorbells on msi_domain_alloc/free_irqs Auger Eric <eric.auger@redhat.com> - 2016-07-25 18:30 +0200
[PATCH v11 10/10] genirq/msi: use the MSI doorbell's IOVA when requested Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
Re: [PATCH v11 10/10] genirq/msi: use the MSI doorbell's IOVA when requested Thomas Gleixner <tglx@linutronix.de> - 2016-07-20 11:20 +0200
Re: [PATCH v11 10/10] genirq/msi: use the MSI doorbell's IOVA when requested Auger Eric <eric.auger@redhat.com> - 2016-07-25 18:40 +0200
[PATCH v11 08/10] irqchip/gicv3-its: register the MSI global doorbell Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
[PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
Re: [PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe Thomas Gleixner <tglx@linutronix.de> - 2016-07-20 10:20 +0200
Re: [PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe Auger Eric <eric.auger@redhat.com> - 2016-07-21 15:40 +0200
Re: [PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe Thomas Gleixner <tglx@linutronix.de> - 2016-07-22 14:50 +0200
Re: [PATCH v11 06/10] genirq/msi-doorbell: msi_doorbell_safe Auger Eric <eric.auger@redhat.com> - 2016-07-22 16:10 +0200
[PATCH v11 01/10] genirq/msi: export msi_get_domain_info Eric Auger <eric.auger@redhat.com> - 2016-07-19 15:10 +0200
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