diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:29:57 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-04-11 11:07:29 -0500 |
| commit | 32e1dfaa9b2a21ebde381f02960c6c822fd35ff3 (patch) | |
| tree | 64ddd9e3a255a6b1b96d3f5249bf97b3d50384f0 /kernel/irq/spurious.c | |
| parent | 89c597927f6359e44e0db849f2ef1a0246bef511 (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/irq/spurious.c')
| -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 611cd6003c45..d1c80fa035b7 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"); |