From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 4/4] QEMU/KVM: ignore SIG_IPI signals in
	userspace
Date: Mon, 07 Apr 2008 17:30:49 -0300
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Cc: kvm-devel@lists.sourceforge.net,
	Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@qumranet.com>,
	Anthony Liguori <aliguori@us.ibm.com>
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Otherwise a signal can be received in userspace and a vcpu goes back
to the kernel while it should stay still.

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

Index: marcelo/git/kvm-userspace.io/qemu/qemu-kvm.c
===================================================================
--- marcelo.orig/git/kvm-userspace.io/qemu/qemu-kvm.c
+++ marcelo/git/kvm-userspace.io/qemu/qemu-kvm.c
@@ -350,7 +350,6 @@ static void *ap_main_loop(void *_env)
     vcpu->env = env;
     vcpu->env->thread_id = kvm_get_thread_id();
     sigfillset(&signals);
-    sigdelset(&signals, SIG_IPI);
     sigprocmask(SIG_BLOCK, &signals, NULL);
     kvm_create_vcpu(kvm_context, env->cpu_index);
     kvm_qemu_init_env(env);

-- 


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