From: Avi Kivity <[EMAIL PROTECTED]>
the bios no longer busy waits, so no need for this hack.
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
index 6c8c391..ba4fd21 100644
--- a/qemu/qemu-kvm.c
+++ b/qemu/qemu-kvm.c
@@ -34,8 +34,6 @@ __thread CPUState *vcpu_env;
static sigset_t io_sigset, io_negsigset;
-static int wait_hack;
-
#define SIG_IPI (SIGRTMIN+4)
struct vcpu_info {
@@ -66,19 +64,6 @@ void kvm_update_after_sipi(CPUState *env)
{
vcpu_info[env->cpu_index].sipi_needed = 1;
kvm_update_interrupt_request(env);
-
- /*
- * the qemu bios waits using a busy loop that's much too short for
- * kvm. add a wait after the first sipi.
- */
- {
- static int first_sipi = 1;
-
- if (first_sipi) {
- wait_hack = 1;
- first_sipi = 0;
- }
- }
}
void kvm_apic_init(CPUState *env)
@@ -106,17 +91,6 @@ static int pre_kvm_run(void *opaque, int vcpu)
{
CPUState *env = cpu_single_env;
- if (env->cpu_index == 0 && wait_hack) {
- int i;
-
- wait_hack = 0;
-
- pthread_mutex_unlock(&qemu_mutex);
- for (i = 0; i < 10; ++i)
- usleep(1000);
- pthread_mutex_lock(&qemu_mutex);
- }
-
kvm_arch_pre_kvm_run(opaque, vcpu);
if (env->interrupt_request & CPU_INTERRUPT_EXIT)
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