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author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 13:29:57 (GMT) |
---|---|---|
committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:21 (GMT) |
commit | 871c02d3562ea2489ef5485d80fff893c02c0e45 (patch) | |
tree | 7a8b45b097fefbb023b4b6b148482b126b3fce73 /kernel/irq | |
parent | 7dfec4ecac4b20bb112b4c21a30a60a078d10842 (diff) | |
download | linux-fsl-qoriq-871c02d3562ea2489ef5485d80fff893c02c0e45.tar.xz |
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')
-rw-r--r-- | kernel/irq/spurious.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index febcee3c..ca47be0 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -438,6 +438,10 @@ MODULE_PARM_DESC(noirqdebug, "Disable irq lockup detection when true"); static int __init irqfixup_setup(char *str) { +#ifdef CONFIG_PREEMPT_RT_BASE + pr_warn("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 +454,10 @@ module_param(irqfixup, int, 0644); static int __init irqpoll_setup(char *str) { +#ifdef CONFIG_PREEMPT_RT_BASE + pr_warn("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"); |