mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [patch 27/50] genirq: ARM: dyntick quirk
@ 2006-05-17  0:17 Ingo Molnar
  2006-05-17 14:37 ` Pavel Machek
  0 siblings, 1 reply; 2+ messages in thread
From: Ingo Molnar @ 2006-05-17  0:17 UTC (permalink / raw)
  To: linux-kernel
  Cc: Thomas Gleixner, Benjamin Herrenschmidt, Russell King,
	Andrew Morton, Christoph Hellwig, linux-arm-kernel

From: Thomas Gleixner <tglx@linutronix.de>

ARM dyntick quirk.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

Index: linux-genirq.q/kernel/irq/handle.c
===================================================================
--- linux-genirq.q.orig/kernel/irq/handle.c
+++ linux-genirq.q/kernel/irq/handle.c
@@ -16,6 +16,10 @@
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 
+#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
+#include <asm/dyntick.h>
+#endif
+
 #include "internals.h"
 
 /**
@@ -105,6 +109,15 @@ int handle_IRQ_event(unsigned int irq, s
 {
 	int ret, retval = 0, status = 0;
 
+#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
+	if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
+		write_seqlock(&xtime_lock);
+		if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
+			system_timer->dyn_tick->handler(irq, 0, regs);
+		write_sequnlock(&xtime_lock);
+	}
+#endif
+
 	if (!(action->flags & SA_INTERRUPT))
 		local_irq_enable();
 

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [patch 27/50] genirq: ARM: dyntick quirk
  2006-05-17  0:17 [patch 27/50] genirq: ARM: dyntick quirk Ingo Molnar
@ 2006-05-17 14:37 ` Pavel Machek
  0 siblings, 0 replies; 2+ messages in thread
From: Pavel Machek @ 2006-05-17 14:37 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Thomas Gleixner, Benjamin Herrenschmidt,
	Russell King, Andrew Morton, Christoph Hellwig, linux-arm-kernel

Hi!

> From: Thomas Gleixner <tglx@linutronix.de>
> 
> ARM dyntick quirk.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
>  kernel/irq/handle.c |   13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> Index: linux-genirq.q/kernel/irq/handle.c
> ===================================================================
> --- linux-genirq.q.orig/kernel/irq/handle.c
> +++ linux-genirq.q/kernel/irq/handle.c
> @@ -16,6 +16,10 @@
>  #include <linux/interrupt.h>
>  #include <linux/kernel_stat.h>
>  
> +#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
> +#include <asm/dyntick.h>
> +#endif
> +
>  #include "internals.h"
>  
>  /**

Move ifdef into header file or just always include it?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2006-05-17 14:38 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2006-05-17  0:17 [patch 27/50] genirq: ARM: dyntick quirk Ingo Molnar
2006-05-17 14:37 ` Pavel Machek

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®