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-rw-r--r--arch/ia64/kernel/acpi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 6ff6815d34ef..853d1f11be00 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -627,6 +627,9 @@ void acpi_unregister_gsi(u32 gsi)
if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
return;
+ if (has_8259 && gsi < 16)
+ return;
+
iosapic_unregister_intr(gsi);
}