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[Qemu-devel] [PATCH] xics-kvm: fix reset function
From: |
Alexey Kardashevskiy |
Subject: |
[Qemu-devel] [PATCH] xics-kvm: fix reset function |
Date: |
Thu, 13 Feb 2014 12:08:35 +1100 |
Currently interrupt priorities are set to 0 (highest) at the very
beginning of the guest execution which is not correct and makes the guest
produce random interrupt error messages such as:
"Interrupt 0x1001 (real) is invalid, disabling it".
This also prevents interrupt states from correct migration.
This initializes priority to 0xFF as the emulated XICS does.
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
hw/intc/xics_kvm.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
index c203646..eaf94d9 100644
--- a/hw/intc/xics_kvm.c
+++ b/hw/intc/xics_kvm.c
@@ -269,6 +269,15 @@ static void ics_kvm_set_irq(void *opaque, int srcno, int
val)
static void ics_kvm_reset(DeviceState *dev)
{
+ ICSState *ics = ICS(dev);
+ int i;
+
+ memset(ics->irqs, 0, sizeof(ICSIRQState) * ics->nr_irqs);
+ for (i = 0; i < ics->nr_irqs; i++) {
+ ics->irqs[i].priority = 0xff;
+ ics->irqs[i].saved_priority = 0xff;
+ }
+
ics_set_kvm_state(ICS(dev), 1);
}
--
1.8.4.rc4
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