From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: leroy christophe <christophe.leroy@xxxxxx>
---
arch/powerpc/platforms/8xx/m8xx_setup.c | 1 +
arch/powerpc/sysdev/cpm1.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index 1e12108..806cbbd 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -43,6 +43,7 @@ static irqreturn_t timebase_interrupt(int irq, void *dev)
static struct irqaction tbint_irqaction = {
.handler = timebase_interrupt,
+ .flags = IRQF_NO_THREAD,
.name = "tbint",
};
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index d4fa03f..5e6ff38 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -120,6 +120,7 @@ static irqreturn_t cpm_error_interrupt(int irq, void *dev)
static struct irqaction cpm_error_irqaction = {
.handler = cpm_error_interrupt,
+ .flags = IRQF_NO_THREAD,
.name = "error",
};
--
1.7.10
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