This wasn't to start a debate about which allocation method is the
perfect solution. I am perfectly happy with the new default, the part
that is broken is to take away the user's option to reassign the
affinity. That is a bug and it needs to be fixed!
Well,
I would really want to wait for Thomas/Christoph to reply, but this
simple change fixed it for me:
--
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 573dc52b0806..eccd06be5e44 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -146,8 +146,7 @@ bool irq_can_set_affinity_usr(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
- return __irq_can_set_affinity(desc) &&
- !irqd_affinity_is_managed(&desc->irq_data);
+ return __irq_can_set_affinity(desc);
}
/**
--
