[PATCH 15/20] qemu-kvm: Use upstream's way of signaling debug stops

[Jan Kiszka <jan.kiszka@xxxxxxxxxxx>]

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
 cpus.c   |    9 ++-------
 sysemu.h |    1 +
 vl.c     |    2 +-
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/cpus.c b/cpus.c
index 0455481..23c6ccd 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1193,8 +1193,6 @@ void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
 
 #include <sys/syscall.h>
 
-static CPUState *kvm_debug_cpu_requested;
-
 unsigned long kvm_get_thread_id(void)
 {
     return syscall(SYS_gettid);
@@ -1294,8 +1292,7 @@ static int kvm_main_loop_cpu(CPUState *env)
             case EXCP_HLT:
                 break;
             case EXCP_DEBUG:
-                kvm_debug_cpu_requested = env;
-                env->stopped = 1;
+                cpu_handle_guest_debug(env);
                 break;
             default:
                 timeout = 0;
@@ -1391,10 +1388,8 @@ int kvm_main_loop(void)
             qemu_irq_raise(qemu_system_powerdown);
         } else if (qemu_reset_requested()) {
             qemu_kvm_system_reset();
-        } else if (kvm_debug_cpu_requested) {
-            gdb_set_stop_cpu(kvm_debug_cpu_requested);
+        } else if (qemu_debug_requested()) {
             vm_stop(VMSTOP_DEBUG);
-            kvm_debug_cpu_requested = NULL;
         }
         if ((r = qemu_vmstop_requested())) {
             vm_stop(r);
diff --git a/sysemu.h b/sysemu.h
index 5cacb9e..0d4f923 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -48,6 +48,7 @@ int qemu_reset_requested_get(void);
 int qemu_shutdown_requested(void);
 int qemu_reset_requested(void);
 int qemu_powerdown_requested(void);
+int qemu_debug_requested(void);
 int qemu_vmstop_requested(void);
 void qemu_system_killed(int signal, pid_t pid);
 void qemu_kill_report(void);
diff --git a/vl.c b/vl.c
index 6b5877b..e17094a 100644
--- a/vl.c
+++ b/vl.c
@@ -1218,7 +1218,7 @@ int qemu_powerdown_requested(void)
     return r;
 }
 
-static int qemu_debug_requested(void)
+int qemu_debug_requested(void)
 {
     int r = debug_requested;
     debug_requested = 0;
-- 
1.7.1

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