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On Mon, 18 Jun 2012, leroy christophe wrote:
> Hello,
>
> I'm trying to use the rt10 patch on a 3.4.2 kernel on a powerpc (MPC8xx)
> system, and I'm having the following Oops during Irq initialisation. This
> happens with CONFIG_PREEMPT_RT_FULL.
> It doesn't happen with CONFIG_PREEMPT__LL
>
> May someone help ?
Does the following uncompiled and untested patch fix it for you ?
Thanks,
tglx
Index: linux-3.4/arch/powerpc/platforms/8xx/m8xx_setup.c
===================================================================
--- linux-3.4.orig/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ linux-3.4/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -43,6 +43,7 @@ static irqreturn_t timebase_interrupt(in
static struct irqaction tbint_irqaction = {
.handler = timebase_interrupt,
+ .flags = IRQF_NO_THREAD,
.name = "tbint",
};
Index: linux-3.4/arch/powerpc/sysdev/cpm1.c
===================================================================
--- linux-3.4.orig/arch/powerpc/sysdev/cpm1.c
+++ linux-3.4/arch/powerpc/sysdev/cpm1.c
@@ -120,6 +120,7 @@ static irqreturn_t cpm_error_interrupt(i
static struct irqaction cpm_error_irqaction = {
.handler = cpm_error_interrupt,
+ .flags = IRQF_NO_THREAD,
.name = "error",
};
--
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