On 25.07.2011, at 10:46, Elie Richa wrote:
>
>
> On 07/23/2011 12:49 PM, Alexander Graf wrote:
>> @@ -1304,6 +1304,10 @@ static void mpic_reset (void *opaque)
>> mpp->src[i].ipvp = 0x8080;
>> mpp->src[i].ide = 0x0001;
>> }
>> +/* Set IDE for IPIs to 0 so we d
On 07/23/2011 12:49 PM, Alexander Graf wrote:
@@ -1304,6 +1304,10 @@ static void mpic_reset (void *opaque)
mpp->src[i].ipvp = 0x8080;
mpp->src[i].ide = 0x0001;
}
+/* Set IDE for IPIs to 0 so we don't get spurious interrupts */
+for (i = mpp->irq_ipi0;
We use the IDE register with IPIs as a mask to keep track which processors
have already acknowledged the respective interrupt. So we need to initialize
it to 0 to make sure that it doesn't accidently fire an IPI on CPU0 when the
first IPI is triggered.
Reported-by: Elie Richa
Signed-off-by: Alexa
