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authorIngo Molnar <mingo@elte.hu>2009-07-03 13:29:57 (GMT)
committerScott Wood <scottwood@freescale.com>2015-02-13 22:20:21 (GMT)
commit871c02d3562ea2489ef5485d80fff893c02c0e45 (patch)
tree7a8b45b097fefbb023b4b6b148482b126b3fce73 /kernel/irq
parent7dfec4ecac4b20bb112b4c21a30a60a078d10842 (diff)
downloadlinux-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.c8
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");