diff options
| author | Valentin Schneider <valentin.schneider@arm.com> | 2020-11-09 12:41:21 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-12-11 17:47:50 +0300 |
| commit | b388fa50142510fb6477f130bb1b3f05a0a263a1 (patch) | |
| tree | 8773f796a960e10d6f3e1e86207e83130f6e414b | |
| parent | a2e042e13ff322ad523a2f131dd6e03e8bc05053 (diff) | |
| download | linux-b388fa50142510fb6477f130bb1b3f05a0a263a1.tar.xz | |
Revert "genirq: Add fasteoi IPI flow"
handle_percpu_devid_fasteoi_ipi() has no more users, and
handle_percpu_devid_irq() can do all that it was supposed to do. Get rid of
it.
This reverts commit c5e5ec033c4ab25c53f1fd217849e75deb0bf7bf.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201109094121.29975-6-valentin.schneider@arm.com
| -rw-r--r-- | include/linux/irq.h | 1 | ||||
| -rw-r--r-- | kernel/irq/chip.c | 27 |
2 files changed, 0 insertions, 28 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index c54365309e97..ca26bec51cec 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -647,7 +647,6 @@ static inline int irq_set_parent(int irq, int parent_irq) */ extern void handle_level_irq(struct irq_desc *desc); extern void handle_fasteoi_irq(struct irq_desc *desc); -extern void handle_percpu_devid_fasteoi_ipi(struct irq_desc *desc); extern void handle_edge_irq(struct irq_desc *desc); extern void handle_edge_eoi_irq(struct irq_desc *desc); extern void handle_simple_irq(struct irq_desc *desc); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b9b9618e1aca..0ae308efa604 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -945,33 +945,6 @@ void handle_percpu_devid_irq(struct irq_desc *desc) } /** - * handle_percpu_devid_fasteoi_ipi - Per CPU local IPI handler with per cpu - * dev ids - * @desc: the interrupt description structure for this irq - * - * The biggest difference with the IRQ version is that the interrupt is - * EOIed early, as the IPI could result in a context switch, and we need to - * make sure the IPI can fire again. We also assume that the arch code has - * registered an action. If not, we are positively doomed. - */ -void handle_percpu_devid_fasteoi_ipi(struct irq_desc *desc) -{ - struct irq_chip *chip = irq_desc_get_chip(desc); - struct irqaction *action = desc->action; - unsigned int irq = irq_desc_get_irq(desc); - irqreturn_t res; - - __kstat_incr_irqs_this_cpu(desc); - - if (chip->irq_eoi) - chip->irq_eoi(&desc->irq_data); - - trace_irq_handler_entry(irq, action); - res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id)); - trace_irq_handler_exit(irq, action, res); -} - -/** * handle_percpu_devid_fasteoi_nmi - Per CPU local NMI handler with per cpu * dev ids * @desc: the interrupt description structure for this irq |