diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-02-17 14:26:50 +0530 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-02-20 15:19:26 +0100 |
| commit | 751dc837dabd275d0ab165fc737c10f80e2e863a (patch) | |
| tree | c1e3d63f37e1b7c43612bf025fd17079fc1f6758 /kernel/irq/migration.c | |
| parent | irqchip/riscv-imsic: Move to common MSI library (diff) | |
| download | linux-751dc837dabd275d0ab165fc737c10f80e2e863a.tar.gz linux-751dc837dabd275d0ab165fc737c10f80e2e863a.zip | |
genirq: Introduce common irq_force_complete_move() implementation
CONFIG_GENERIC_PENDING_IRQ requires an architecture specific implementation
of irq_force_complete_move() for CPU hotplug. At the moment, only x86
implements this unconditionally, but for RISC-V irq_force_complete_move()
is only needed when the RISC-V IMSIC driver is in use and not needed
otherwise.
To allow runtime configuration of this mechanism, introduce a common
irq_force_complete_move() implementation in the interrupt core code, which
only invokes the completion function, when a interrupt chip in the
hierarchy implements it.
Switch X86 over to the new mechanism. No functional change intended.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250217085657.789309-5-apatel@ventanamicro.com
Diffstat (limited to 'kernel/irq/migration.c')
| -rw-r--r-- | kernel/irq/migration.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index eb150afd671f..e110300ad650 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -35,6 +35,16 @@ bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear) return true; } +void irq_force_complete_move(struct irq_desc *desc) +{ + for (struct irq_data *d = irq_desc_get_irq_data(desc); d; d = d->parent_data) { + if (d->chip && d->chip->irq_force_complete_move) { + d->chip->irq_force_complete_move(d); + return; + } + } +} + void irq_move_masked_irq(struct irq_data *idata) { struct irq_desc *desc = irq_data_to_desc(idata); |