Re: Ingo's realtime_preempt patch causes kernel oops
From: Daniel Walker
Date: Tue May 23 2006 - 12:38:21 EST
On Tue, 2006-05-23 at 18:24 +0200, Yann.LEPROVOST@xxxxxxxxxx wrote:
> Yeah that's it , I tested with SA_NODELAY and oops disappears, kernel
> doesn't freeze !!
> However, the IRQ 1 line is shared between many peripherals in the
> IRQ 1 is the system interrupt.
> From AT91RM9200 datasheet :
> "The System Interrupt is the wired-OR of the interrupt signals coming from:
> â the Memory Controller
> â the Debug Unit
> â the System Timer
> â the Real-Time Clock
> â the Power Management Controller"
You might have some more issues , cause if you share an SA_NODELAY
handler every handler on that interrupt line becomes an SA_NODELAY
handler .. So you'll have to go make sure non of those other handlers
lock spinlock_t types ..
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/