9pfs: use coroutine_fn annotation in hw/9pfs/9p.[ch]

[mirror_qemu.git] / target-arm / kvm.c

diff --git a/target-arm/kvm.c b/target-arm/kvm.c
index 969ab0bab51760ddf29f7c7916ed36e5e935d4c2..dbe393c10995381ad9e8d88a03c2e2ed0e0b9189 100644 (file)
--- a/target-arm/kvm.c
+++ b/target-arm/kvm.c
@@ -10,7 +10,6 @@
 
 #include "qemu/osdep.h"
 #include <sys/ioctl.h>
-#include <sys/mman.h>
 
 #include <linux/kvm.h>
 
@@ -25,6 +24,7 @@
 #include "hw/arm/arm.h"
 #include "exec/memattrs.h"
 #include "hw/boards.h"
+#include "qemu/log.h"
 
 const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
     KVM_CAP_LAST_INFO
@@ -62,13 +62,18 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
         goto err;
     }
 
+    if (!init) {
+        /* Caller doesn't want the VCPU to be initialized, so skip it */
+        goto finish;
+    }
+
     ret = ioctl(vmfd, KVM_ARM_PREFERRED_TARGET, init);
     if (ret >= 0) {
         ret = ioctl(cpufd, KVM_ARM_VCPU_INIT, init);
         if (ret < 0) {
             goto err;
         }
-    } else {
+    } else if (cpus_to_try) {
         /* Old kernel which doesn't know about the
          * PREFERRED_TARGET ioctl: we know it will only support
          * creating one kind of guest CPU which is its preferred
@@ -85,8 +90,15 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
         if (ret < 0) {
             goto err;
         }
+    } else {
+        /* Treat a NULL cpus_to_try argument the same as an empty
+         * list, which means we will fail the call since this must
+         * be an old kernel which doesn't support PREFERRED_TARGET.
+         */
+        goto err;
     }
 
+finish:
     fdarray[0] = kvmfd;
     fdarray[1] = vmfd;
     fdarray[2] = cpufd;
@@ -610,6 +622,17 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
     return 0;
 }
 
+int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route,
+                                int vector, PCIDevice *dev)
+{
+    return 0;
+}
+
+int kvm_arch_release_virq_post(int virq)
+{
+    return 0;
+}
+
 int kvm_arch_msi_data_to_gsi(uint32_t data)
 {
     return (data - 32) & 0xffff;