user: Restore debug usage message for '-d ?' in user mode emulation

[qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index 3b81b68b90a9c32d9cafa1d565921828cc2db619..cbc253235e02e7264f37eff96929ca94e8bc2edc 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -603,6 +603,11 @@ static void kvm_set_phys_mem(target_phys_addr_t start_addr, ram_addr_t size,
             if (err) {
                 fprintf(stderr, "%s: error registering prefix slot: %s\n",
                         __func__, strerror(-err));
+#ifdef TARGET_PPC
+                fprintf(stderr, "%s: This is probably because your kernel's " \
+                                "PAGE_SIZE is too big. Please try to use 4k " \
+                                "PAGE_SIZE!\n", __func__);
+#endif
                 abort();
             }
         }
@@ -752,35 +757,26 @@ int kvm_init(void)
     s->coalesced_mmio = kvm_check_extension(s, KVM_CAP_COALESCED_MMIO);
 
     s->broken_set_mem_region = 1;
-#ifdef KVM_CAP_JOIN_MEMORY_REGIONS_WORKS
     ret = kvm_check_extension(s, KVM_CAP_JOIN_MEMORY_REGIONS_WORKS);
     if (ret > 0) {
         s->broken_set_mem_region = 0;
     }
-#endif
 
-    s->vcpu_events = 0;
 #ifdef KVM_CAP_VCPU_EVENTS
     s->vcpu_events = kvm_check_extension(s, KVM_CAP_VCPU_EVENTS);
 #endif
 
-    s->robust_singlestep = 0;
-#ifdef KVM_CAP_X86_ROBUST_SINGLESTEP
     s->robust_singlestep =
         kvm_check_extension(s, KVM_CAP_X86_ROBUST_SINGLESTEP);
-#endif
 
-    s->debugregs = 0;
 #ifdef KVM_CAP_DEBUGREGS
     s->debugregs = kvm_check_extension(s, KVM_CAP_DEBUGREGS);
 #endif
 
-    s->xsave = 0;
 #ifdef KVM_CAP_XSAVE
     s->xsave = kvm_check_extension(s, KVM_CAP_XSAVE);
 #endif
 
-    s->xcrs = 0;
 #ifdef KVM_CAP_XCRS
     s->xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
 #endif
@@ -850,7 +846,6 @@ static void kvm_handle_io(uint16_t port, void *data, int direction, int size,
     }
 }
 
-#ifdef KVM_CAP_INTERNAL_ERROR_DATA
 static int kvm_handle_internal_error(CPUState *env, struct kvm_run *run)
 {
     fprintf(stderr, "KVM internal error.");
@@ -877,7 +872,6 @@ static int kvm_handle_internal_error(CPUState *env, struct kvm_run *run)
      */
     return -1;
 }
-#endif
 
 void kvm_flush_coalesced_mmio_buffer(void)
 {
@@ -1008,11 +1002,9 @@ int kvm_cpu_exec(CPUState *env)
                     (uint64_t)run->hw.hardware_exit_reason);
             ret = -1;
             break;
-#ifdef KVM_CAP_INTERNAL_ERROR_DATA
         case KVM_EXIT_INTERNAL_ERROR:
             ret = kvm_handle_internal_error(env, run);
             break;
-#endif
         default:
             DPRINTF("kvm_arch_handle_exit\n");
             ret = kvm_arch_handle_exit(env, run);