[RFC PATCH 3/4] ARM: arch_timers: give the virtual timer its own interrupt handler
From: Marc Zyngier <hidden>
Date: 2012-07-06 09:20:21
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
In order to prepare for the timer interrupt offloading to the hypervisor, give the virtual timer its own interrupt handler. Signed-off-by: Marc Zyngier <redacted> --- arch/arm/kernel/arch_timer.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index 2b5da66..4473f66 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c@@ -202,6 +202,11 @@ static irqreturn_t arch_timer_handler(int irq, void *dev_id) return IRQ_NONE; } +static irqreturn_t arch_timer_virt_handler(int irq, void *dev_id) +{ + return arch_timer_handler(irq, dev_id); +} + static void arch_timer_disable(void) { unsigned long ctrl;
@@ -408,6 +413,9 @@ static int __init arch_timer_register(void) if (!arch_timer_ppi[i]) continue; + if (i == VIRT_PPI) + handler = arch_timer_virt_handler; + err = request_percpu_irq(arch_timer_ppi[i], handler, "arch_timer", arch_timer_evt); if (err) {
--
1.7.10.3