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charset="utf-8" Current checks prevent routing of interrupts from the eSPI range to Xen or guest domains. The addition of the is_espi condition allows verification of whether a given index falls within the eSPI range, enabling routing of such interrupts. Existing behavior remains unchanged for configurations where eSPI support is disabled, as in this case, is_espi always returns false. Signed-off-by: Leonid Komarianskyi --- xen/arch/arm/gic.c | 4 ++-- xen/arch/arm/irq.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c index e80fe0ca24..d5f2addf9f 100644 --- a/xen/arch/arm/gic.c +++ b/xen/arch/arm/gic.c @@ -111,7 +111,7 @@ static void gic_set_irq_priority(struct irq_desc *desc,= unsigned int priority) void gic_route_irq_to_xen(struct irq_desc *desc, unsigned int priority) { ASSERT(priority <=3D 0xff); /* Only 8 bits of priority */ - ASSERT(desc->irq < gic_number_lines());/* Can't route interrupts that = don't exist */ + ASSERT(desc->irq < gic_number_lines() || is_espi(desc->irq));/* Can't = route interrupts that don't exist */ ASSERT(test_bit(_IRQ_DISABLED, &desc->status)); ASSERT(spin_is_locked(&desc->lock)); =20 @@ -134,7 +134,7 @@ int gic_route_irq_to_guest(struct domain *d, unsigned i= nt virq, ASSERT(spin_is_locked(&desc->lock)); /* Caller has already checked that the IRQ is an SPI */ ASSERT(virq >=3D 32); - ASSERT(virq < vgic_num_irqs(d)); + ASSERT(virq < vgic_num_irqs(d) || is_espi(virq)); ASSERT(!is_lpi(virq)); =20 ret =3D vgic_connect_hw_irq(d, NULL, virq, desc, true); diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c index 8c47eeb7c3..d4d40a4f2f 100644 --- a/xen/arch/arm/irq.c +++ b/xen/arch/arm/irq.c @@ -461,7 +461,7 @@ bool irq_type_set_by_domain(const struct domain *d) =20 /* * Route an IRQ to a specific guest. - * For now only SPIs are assignable to the guest. + * For now only SPIs and eSPIs are assignable to the guest. */ int route_irq_to_guest(struct domain *d, unsigned int virq, unsigned int irq, const char * devname) @@ -472,7 +472,7 @@ int route_irq_to_guest(struct domain *d, unsigned int v= irq, unsigned long flags; int retval =3D 0; =20 - if ( virq >=3D vgic_num_irqs(d) ) + if ( virq >=3D vgic_num_irqs(d) && !is_espi(virq)) { printk(XENLOG_G_ERR "the vIRQ number %u is too high for domain %u (max =3D %u)\= n", --=20 2.34.1