kvm: Provide sigbus services arch-independently

Provide arch-independent kvm_on_sigbus* stubs to remove the #ifdef'ery
from cpus.c. This patch also fixes --disable-kvm build by providing the
missing kvm_on_sigbus_vcpu kvm-stub.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/cpus.c b/cpus.c
index 3a72d06..4975317 100644
--- a/cpus.c
+++ b/cpus.c
@@ -539,10 +539,9 @@ static void sigbus_reraise(void)
 static void sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo,
                            void *ctx)
 {
-#if defined(TARGET_I386)
-    if (kvm_on_sigbus(siginfo->ssi_code, (void *)(intptr_t)siginfo->ssi_addr))
-#endif
+    if (kvm_on_sigbus(siginfo->ssi_code, (void *)(intptr_t)siginfo->ssi_addr)) {
         sigbus_reraise();
+    }
 }
 
 static void qemu_kvm_eat_signal(CPUState *env, int timeout)
@@ -575,10 +574,9 @@ static void qemu_kvm_eat_signal(CPUState *env, int timeout)
 
         switch (r) {
         case SIGBUS:
-#ifdef TARGET_I386
-            if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr))
-#endif
+            if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr)) {
                 sigbus_reraise();
+            }
             break;
         default:
             break;