author: Ingo Molnar <mingo@kernel.org> 2009-07-03 08:29:57 -0500
committer: Minda Chen <minda.chen@starfivetech.com> 2023-11-06 19:24:38 +0800
commit: 66461f2c961b3a2a58cb0476f0d6c0d31e31ce65
parent: e0fe6d00f2a748e8965fa57b540064e074f30ef4
Commit Summary:
Diffstat:
1 file 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");