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kvm: Install specialized interrupt handler 

KVM only requires to set the raised IRQ in CPUState and to kick the
receiving vcpu if it is remote. Installing a specialized handler allows
potential future changes to the TCG code path without risking KVM side
effects.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2011-04-13 01:32:56 +02:00 committed by Marcelo Tosatti
parent ec6959d046
commit aa7f74d119
1 changed files with 11 additions and 0 deletions
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11
kvm-all.c
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@ -651,6 +651,15 @@ static CPUPhysMemoryClient kvm_cpu_phys_memory_client = {
.log_stop = kvm_log_stop, .log_stop = kvm_log_stop,
}; };
static void kvm_handle_interrupt(CPUState *env, int mask)
{
env->interrupt_request |= mask;
if (!qemu_cpu_is_self(env)) {
qemu_cpu_kick(env);
}
}
int kvm_init(void) int kvm_init(void)
{ {
static const char upgrade_note[] = static const char upgrade_note[] =
@ -759,6 +768,8 @@ int kvm_init(void)
s->many_ioeventfds = kvm_check_many_ioeventfds(); s->many_ioeventfds = kvm_check_many_ioeventfds();
cpu_interrupt_handler = kvm_handle_interrupt;
return 0; return 0;
err: err: