From patchwork Tue Mar 15 11:26:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v2,06/20] kvm: Install optimized interrupt handler Date: Tue, 15 Mar 2011 01:26:17 -0000 From: Jan Kiszka X-Patchwork-Id: 86950 Message-Id: To: Avi Kivity , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org KVM only requires to set the raised IRQ in CPUState and to kick the receiving vcpu if it is remote. Signed-off-by: Jan Kiszka --- kvm-all.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index 226843c..25ab545 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -650,6 +650,15 @@ 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_is_self(env)) { + qemu_cpu_kick(env); + } +} + int kvm_init(void) { static const char upgrade_note[] = @@ -758,6 +767,8 @@ int kvm_init(void) s->many_ioeventfds = kvm_check_many_ioeventfds(); + cpu_interrupt_handler = kvm_handle_interrupt; + return 0; err: