KVM: do not use sigtimedwait to catch SIGBUS

Call kvm_on_sigbus_vcpu asynchronously from the VCPU thread.
Information for the SIGBUS can be stored in thread-local variables
and processed later in kvm_cpu_exec.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 75598cd779..03f5097eab 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -2582,11 +2582,6 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cpu)
     return true;
 }
 
-int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
-{
-    return 1;
-}
-
 void kvm_arch_init_irq_routing(KVMState *s)
 {
 }