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* [PATCH][NOMMU] microblaze: re-enable interrupts before calling schedule
@ 2010-04-27 18:00 Steven J. Magnani
  2010-04-30  5:56 ` Michal Simek
  0 siblings, 1 reply; 2+ messages in thread
From: Steven J. Magnani @ 2010-04-27 18:00 UTC (permalink / raw)
  To: microblaze-uclinux; +Cc: monstr, linux-kernel, Steven J. Magnani

schedule() should not be called with interrupts disabled.

Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
---
diff -uprN a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
--- a/arch/microblaze/kernel/entry-nommu.S	2010-04-27 10:14:33.000000000 -0500
+++ b/arch/microblaze/kernel/entry-nommu.S	2010-04-27 12:53:04.000000000 -0500
@@ -476,6 +476,8 @@ ENTRY(ret_from_fork)
 	nop
 
 work_pending:
+	enable_irq
+
 	andi	r11, r19, _TIF_NEED_RESCHED
 	beqi	r11, 1f
 	bralid	r15, schedule


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

* Re: [PATCH][NOMMU] microblaze: re-enable interrupts before calling schedule
  2010-04-27 18:00 [PATCH][NOMMU] microblaze: re-enable interrupts before calling schedule Steven J. Magnani
@ 2010-04-30  5:56 ` Michal Simek
  0 siblings, 0 replies; 2+ messages in thread
From: Michal Simek @ 2010-04-30  5:56 UTC (permalink / raw)
  To: Steven J. Magnani; +Cc: microblaze-uclinux, linux-kernel

Steven J. Magnani wrote:
> schedule() should not be called with interrupts disabled.
> 
> Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
> ---
> diff -uprN a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
> --- a/arch/microblaze/kernel/entry-nommu.S	2010-04-27 10:14:33.000000000 -0500
> +++ b/arch/microblaze/kernel/entry-nommu.S	2010-04-27 12:53:04.000000000 -0500
> @@ -476,6 +476,8 @@ ENTRY(ret_from_fork)
>  	nop
>  
>  work_pending:
> +	enable_irq
> +
>  	andi	r11, r19, _TIF_NEED_RESCHED
>  	beqi	r11, 1f
>  	bralid	r15, schedule
> 

Applied

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian

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

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2010-04-27 18:00 [PATCH][NOMMU] microblaze: re-enable interrupts before calling schedule Steven J. Magnani
2010-04-30  5:56 ` Michal Simek

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