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x86/ioapic: Restore IO-APIC irq_chip retrigger callback
author
Ruslan Ruslichenko
<rruslich@cisco.com>
Tue, 17 Jan 2017 14:13:52 +0000
(16:13 +0200)
committer
Thomas Gleixner
<tglx@linutronix.de>
Wed, 18 Jan 2017 10:51:02 +0000
(11:51 +0100)
commit
d32932d02e18
removed the irq_retrigger callback from the IO-APIC
chip and did not add it to the new IO-APIC-IR irq chip.
There is no harm because the interrupts are resent in software when the
retrigger callback is NULL, but it's less efficient. So restore them.
[ tglx: Massaged changelog ]
Fixes:
d32932d02e18
("x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces")
Signed-off-by: Ruslan Ruslichenko <rruslich@cisco.com>
Cc: xe-linux-external@cisco.com
Link:
http://lkml.kernel.org/r/1484662432-13580-1-git-send-email-rruslich@cisco.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/apic/io_apic.c
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diff --git
a/arch/x86/kernel/apic/io_apic.c
b/arch/x86/kernel/apic/io_apic.c
index 945e512a112a321771797869b39c496d7f5c2b8f..1e35dd06b090ee91189cb5a52fdf026f2ca5e74b 100644
(file)
--- a/
arch/x86/kernel/apic/io_apic.c
+++ b/
arch/x86/kernel/apic/io_apic.c
@@
-1875,6
+1875,7
@@
static struct irq_chip ioapic_chip __read_mostly = {
.irq_ack = irq_chip_ack_parent,
.irq_eoi = ioapic_ack_level,
.irq_set_affinity = ioapic_set_affinity,
+ .irq_retrigger = irq_chip_retrigger_hierarchy,
.flags = IRQCHIP_SKIP_SET_WAKE,
};
@@
-1886,6
+1887,7
@@
static struct irq_chip ioapic_ir_chip __read_mostly = {
.irq_ack = irq_chip_ack_parent,
.irq_eoi = ioapic_ir_ack_level,
.irq_set_affinity = ioapic_set_affinity,
+ .irq_retrigger = irq_chip_retrigger_hierarchy,
.flags = IRQCHIP_SKIP_SET_WAKE,
};