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[Qemu-devel] [PATCH 6/6] Initialize in-kernel irqchip
From: |
Glauber Costa |
Subject: |
[Qemu-devel] [PATCH 6/6] Initialize in-kernel irqchip |
Date: |
Mon, 28 Sep 2009 18:15:17 -0300 |
Now that we have all devices set up, this patch initializes the irqchip.
This is dependant on the io-thread, since we need someone to pull ourselves
out of the halted state.
I believe this should be the default when we are running over the io-thread.
Later on, I plan to post a patch that makes it optional.
Signed-off-by: Glauber Costa <address@hidden>
---
kvm-all.c | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 50616d1..30df418 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -453,6 +453,22 @@ int kvm_set_irq(int irq, int level, int *status)
return 1;
}
+
+static int kvm_create_irqchip(KVMState *s)
+{
+ int ret;
+
+ if (!kvm_check_extension(s, KVM_CAP_IRQCHIP))
+ return -1;
+
+ ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
+ if (ret < 0)
+ return ret;
+
+ s->irqchip_in_kernel = 1;
+
+ return 0;
+}
#endif
int kvm_init(int smp_cpus)
@@ -536,6 +552,11 @@ int kvm_init(int smp_cpus)
}
#endif
+#if defined(CONFIG_IOTHREAD) && defined(KVM_CAP_IRQCHIP)
+ ret = kvm_create_irqchip(s);
+ if (ret < 0)
+ goto err;
+#endif
ret = kvm_arch_init(s, smp_cpus);
if (ret < 0)
goto err;
--
1.6.2.5
Message not available
Re: [Qemu-devel] [PATCH 0/6] in kernel irqchip support, Jamie Lokier, 2009/09/28
Re: [Qemu-devel] [PATCH 0/6] in kernel irqchip support, Avi Kivity, 2009/09/29
Re: [Qemu-devel] [PATCH 0/6] in kernel irqchip support, Anthony Liguori, 2009/09/30