From patchwork Wed Feb 17 22:14:43 2010
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Subject: [uq/master,
 4/4] qemu: kvm: remove pre-entry exit_request check with iothread
 enabled
Date: Wed, 17 Feb 2010 12:14:43 -0000
From: Marcelo Tosatti <mtosatti@redhat.com>
X-Patchwork-Id: 45774
Message-Id: <20100217221701.179465472@redhat.com>
To: kvm@vger.kernel.org, qemu-devel@nongnu.org
Cc: Marcelo Tosatti <mtosatti@redhat.com>, avi@redhat.com

With SIG_IPI blocked vcpu loop exit notification happens via -EAGAIN
from KVM_RUN.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>


Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -753,11 +753,13 @@ int kvm_cpu_exec(CPUState *env)
     dprintf("kvm_cpu_exec()\n");
 
     do {
+#ifndef CONFIG_IOTHREAD
         if (env->exit_request) {
             dprintf("interrupt exit requested\n");
             ret = 0;
             break;
         }
+#endif
 
         if (env->kvm_vcpu_dirty) {
             kvm_arch_put_registers(env);