summaryrefslogtreecommitdiff
path: root/kernel/irq/spurious.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/spurious.c')
-rw-r--r--kernel/irq/spurious.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index c481d8458325..02b2daf07441 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -447,6 +447,10 @@ MODULE_PARM_DESC(noirqdebug, "Disable irq lockup detection when true");
static int __init irqfixup_setup(char *str)
{
+ if (IS_ENABLED(CONFIG_PREEMPT_RT)) {
+ pr_warn("irqfixup boot option not supported with PREEMPT_RT\n");
+ return 1;
+ }
irqfixup = 1;
printk(KERN_WARNING "Misrouted IRQ fixup support enabled.\n");
printk(KERN_WARNING "This may impact system performance.\n");
@@ -459,6 +463,10 @@ module_param(irqfixup, int, 0644);
static int __init irqpoll_setup(char *str)
{
+ if (IS_ENABLED(CONFIG_PREEMPT_RT)) {
+ pr_warn("irqpoll boot option not supported with PREEMPT_RT\n");
+ return 1;
+ }
irqfixup = 2;
printk(KERN_WARNING "Misrouted IRQ fixup and polling support "
"enabled\n");