diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:29:57 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-03-01 09:28:36 -0600 |
| commit | 48980398882a67eb705092161d9ec8874851af3b (patch) | |
| tree | 87d834f7462b60281bb58f30a7c76d20fc51f346 /kernel | |
| parent | a040aad73d90be43ada0775d9eafa805aa2c3e71 (diff) | |
genirq: disable irqpoll on -rt
Creates long latencies for no value
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/spurious.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index dc813a948be2..d09e0f51d182 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -341,6 +341,11 @@ 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\n"); + return 1; +#endif irqfixup = 1; printk(KERN_WARNING "Misrouted IRQ fixup support enabled.\n"); printk(KERN_WARNING "This may impact system performance.\n"); @@ -353,6 +358,11 @@ 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\n"); + return 1; +#endif irqfixup = 2; printk(KERN_WARNING "Misrouted IRQ fixup and polling support " "enabled\n"); |