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[Qemu-devel] [PATCH 8/9] Initialize in-kernel irqchip
From: |
Glauber Costa |
Subject: |
[Qemu-devel] [PATCH 8/9] Initialize in-kernel irqchip |
Date: |
Wed, 2 Dec 2009 11:46:14 -0200 |
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 | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index e46093f..0c6aba7 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -416,6 +416,22 @@ int kvm_set_irq(int irq, int level, int *status)
return kvm_arch_set_irq(kvm_state, irq, level, status);
}
+static int kvm_create_irqchip(KVMState *s)
+{
+ int ret = 0;
+#if defined(CONFIG_IOTHREAD)
+ 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;
+#endif
+ return ret;
+}
+
int kvm_init(int smp_cpus)
{
static const char upgrade_note[] =
@@ -502,6 +518,10 @@ int kvm_init(int smp_cpus)
}
#endif
+ ret = kvm_create_irqchip(s);
+ if (ret < 0)
+ goto err;
+
ret = kvm_arch_init(s, smp_cpus);
if (ret < 0)
goto err;
--
1.6.5.2
- [Qemu-devel] [PATCH 0/9] in-kernel irqchip, new spin, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 1/9] introduce VMSTATE_U64, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 2/9] Provide ioapic-kvm, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 3/9] provide apic_set_irq_delivered, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 4/9] provide i8259-kvm, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 5/9] Don't call apic functions directly from kvm code, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 6/9] export kvm_put_mp_state, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 7/9] provide apic-kvm, Glauber Costa, 2009/12/02
- [Qemu-devel] [PATCH 8/9] Initialize in-kernel irqchip,
Glauber Costa <=
- [Qemu-devel] [PATCH 9/9] Do GSI routing, Glauber Costa, 2009/12/02
- [Qemu-devel] Re: [PATCH 5/9] Don't call apic functions directly from kvm code, Avi Kivity, 2009/12/03
[Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Michael S. Tsirkin, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Glauber Costa, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Michael S. Tsirkin, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Glauber Costa, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Michael S. Tsirkin, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Avi Kivity, 2009/12/03
- Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin, Glauber Costa, 2009/12/03