[PATCH v6 1/2] accel: Change AccelOpsClass.update_guest_debug to void

[Richard Henderson]

The return value is never used, so drop it.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 include/accel/accel-cpu-ops.h | 2 +-
 include/system/hvf_int.h      | 2 +-
 accel/hvf/hvf-accel-ops.c     | 3 +--
 accel/kvm/kvm-accel-ops.c     | 4 ++--
 4 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/include/accel/accel-cpu-ops.h b/include/accel/accel-cpu-ops.h
index f0c7ee7542c..af71fd9ab34 100644
--- a/include/accel/accel-cpu-ops.h
+++ b/include/accel/accel-cpu-ops.h
@@ -85,7 +85,7 @@ struct AccelOpsClass {
     int64_t (*get_elapsed_ticks)(void);
 
     /* gdbstub hooks */
-    int (*update_guest_debug)(CPUState *cpu);
+    void (*update_guest_debug)(CPUState *cpu);
     int (*insert_gdbstub_breakpoint)(CPUState *cpu, GdbBreakpointType type,
                                      vaddr addr, vaddr len);
     int (*remove_gdbstub_breakpoint)(CPUState *cpu, GdbBreakpointType type,
diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h
index a01691ce172..1b419b5428a 100644
--- a/include/system/hvf_int.h
+++ b/include/system/hvf_int.h
@@ -105,7 +105,7 @@ void hvf_arch_remove_all_gdbstub_hw_breakpoints(void);
  * Update guest to enable or disable debugging. Per-arch specifics will be
  * handled by calling down to hvf_arch_update_guest_debug.
  */
-int hvf_update_guest_debug(CPUState *cpu);
+void hvf_update_guest_debug(CPUState *cpu);
 
 bool hvf_arch_cpu_realize(CPUState *cpu, Error **errp);
 uint32_t hvf_arch_get_default_ipa_bit_size(void);
diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c
index d2276d8513e..6491a109ba4 100644
--- a/accel/hvf/hvf-accel-ops.c
+++ b/accel/hvf/hvf-accel-ops.c
@@ -227,10 +227,9 @@ static void do_hvf_update_guest_debug(CPUState *cpu, 
run_on_cpu_data arg)
     hvf_arch_update_guest_debug(cpu);
 }
 
-int hvf_update_guest_debug(CPUState *cpu)
+void hvf_update_guest_debug(CPUState *cpu)
 {
     run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
-    return 0;
 }
 
 static int hvf_insert_gdbstub_breakpoint(CPUState *cpu, GdbBreakpointType type,
diff --git a/accel/kvm/kvm-accel-ops.c b/accel/kvm/kvm-accel-ops.c
index c8e7aa38709..47244d33f7d 100644
--- a/accel/kvm/kvm-accel-ops.c
+++ b/accel/kvm/kvm-accel-ops.c
@@ -86,9 +86,9 @@ static bool kvm_cpus_are_resettable(void)
 }
 
 #ifdef TARGET_KVM_HAVE_GUEST_DEBUG
-static int kvm_update_guest_debug_ops(CPUState *cpu)
+static void kvm_update_guest_debug_ops(CPUState *cpu)
 {
-    return kvm_update_guest_debug(cpu, 0);
+    kvm_update_guest_debug(cpu, 0);
 }
 #endif
 
-- 
2.53.0