The IRQ migration IRQ has no irq_cfg and is outside of the range
ipipe_apic_irq_vector can handle. This causes oopses when
__ipipe_get_ioapic_irq_vector is processing it.
Reported-by: Franz Engel <franz_lambert_en...@yahoo.de>
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
arch/x86/kernel/apic/io_apic.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 8eaaadc..52f9686 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3985,8 +3985,12 @@ int acpi_get_override_irq(u32 gsi, int *trigger, int
*polarity)
#ifdef CONFIG_IPIPE
unsigned __ipipe_get_ioapic_irq_vector(int irq)
{
- return irq >= IPIPE_FIRST_APIC_IRQ && irq < IPIPE_NR_XIRQS ?
- ipipe_apic_irq_vector(irq) : irq_cfg(irq)->vector;
+ if (irq >= IPIPE_FIRST_APIC_IRQ && irq < IPIPE_NR_XIRQS)
+ return ipipe_apic_irq_vector(irq);
+ else if (irq == IRQ_MOVE_CLEANUP_VECTOR)
+ return irq;
+ else
+ return irq_cfg(irq)->vector;
}
#endif /* CONFIG_IPIPE */
--
1.7.1
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