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-rw-r--r--kernel/irq/spurious.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index febcee3c2aa9..1648232c467f 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -438,6 +438,11 @@ MODULE_PARM_DESC(noirqdebug, "Disable irq lockup detection when true");
static int __init irqfixup_setup(char *str)
{
+#ifdef CONFIG_PREEMPT_RT_BASE
+ printk(KERN_WARNING "irqfixup boot option not supported "
+ "w/ CONFIG_PREEMPT_RT_BASE\n");
+ return 1;
+#endif
irqfixup = 1;
printk(KERN_WARNING "Misrouted IRQ fixup support enabled.\n");
printk(KERN_WARNING "This may impact system performance.\n");
@@ -450,6 +455,11 @@ module_param(irqfixup, int, 0644);
static int __init irqpoll_setup(char *str)
{
+#ifdef CONFIG_PREEMPT_RT_BASE
+ printk(KERN_WARNING "irqpoll boot option not supported "
+ "w/ CONFIG_PREEMPT_RT_BASE\n");
+ return 1;
+#endif
irqfixup = 2;
printk(KERN_WARNING "Misrouted IRQ fixup and polling support "
"enabled\n");