KVM only requires to set the raised IRQ in CPUState and, if the user
space irqchip is used, to kick the receiving vcpu if it is remote.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
kvm-all.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 226843c..c460d45 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -650,6 +650,20 @@ static CPUPhysMemoryClient kvm_cpu_phys_memory_client = {
.log_stop = kvm_log_stop,
};
+static void kvm_handle_interrupt(CPUState *env, int mask)
+{
+ env->interrupt_request |= mask;
+
+ if (!qemu_cpu_self(env)) {
+ qemu_cpu_kick(env);
+ }
+}
+
+static void kvm_handle_interrupt_kernel_irqchip(CPUState *env, int mask)
+{
+ env->interrupt_request |= mask;
+}
+
int kvm_init(void)
{
static const char upgrade_note[] =
@@ -758,6 +772,9 @@ int kvm_init(void)
s->many_ioeventfds = kvm_check_many_ioeventfds();
+ cpu_interrupt_handler = kvm_irqchip_in_kernel() ?
+ kvm_handle_interrupt_kernel_irqchip : kvm_handle_interrupt;
+
return 0;
err:
--
1.7.1
--
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