The following commit has been merged into the x86/apic branch of tip:
Commit-ID: a491bb19f728cdb8cc1f4734ecc57c0afa099fac
Gitweb: https://git.kernel.org/tip/a491bb19f728cdb8cc1f4734ecc57c0afa099fac
Author: David Woodhouse <dwmw@xxxxxxxxxxxx>
AuthorDate: Sat, 24 Oct 2020 22:35:26 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 28 Oct 2020 20:26:28 +01:00
iommu/hyper-v: Implement select() method on remapping irqdomain
Preparatory for removing irq_remapping_get_irq_domain()
Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201024213535.443185-27-dwmw2@xxxxxxxxxxxxx
---
drivers/iommu/hyperv-iommu.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c
index 37dd485..78a264a 100644
--- a/drivers/iommu/hyperv-iommu.c
+++ b/drivers/iommu/hyperv-iommu.c
@@ -101,7 +101,16 @@ static void hyperv_irq_remapping_free(struct irq_domain *domain,
irq_domain_free_irqs_common(domain, virq, nr_irqs);
}
+static int hyperv_irq_remapping_select(struct irq_domain *d,
+ struct irq_fwspec *fwspec,
+ enum irq_domain_bus_token bus_token)
+{
+ /* Claim only the first (and only) I/OAPIC */
+ return x86_fwspec_is_ioapic(fwspec) && fwspec->param[0] == 0;
+}
+
static const struct irq_domain_ops hyperv_ir_domain_ops = {
+ .select = hyperv_irq_remapping_select,
.alloc = hyperv_irq_remapping_alloc,
.free = hyperv_irq_remapping_free,
};
|