[Qemu-devel] [PATCH 31/37] kvm: Drop return values from kvm_arch_pre/post_run

[Marcelo Tosatti]

From: Jan Kiszka <address@hidden>

We do not check them, and the only arch with non-empty implementations
always returns 0 (this is also true for qemu-kvm).

Signed-off-by: Jan Kiszka <address@hidden>
CC: Alexander Graf <address@hidden>
Signed-off-by: Marcelo Tosatti <address@hidden>
---
 kvm.h              |    5 ++---
 target-i386/kvm.c  |    8 ++------
 target-ppc/kvm.c   |    6 ++----
 target-s390x/kvm.c |    6 ++----
 4 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/kvm.h b/kvm.h
index b2fb5c6..7a4d550 100644
--- a/kvm.h
+++ b/kvm.h
@@ -99,12 +99,11 @@ int kvm_vcpu_ioctl(CPUState *env, int type, ...);
 
 extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
 
-int kvm_arch_post_run(CPUState *env, struct kvm_run *run);
+void kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
+void kvm_arch_post_run(CPUState *env, struct kvm_run *run);
 
 int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
 
-int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
-
 int kvm_arch_process_irqchip_events(CPUState *env);
 
 int kvm_arch_get_registers(CPUState *env);
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index f02f478..8668cb3 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1440,7 +1440,7 @@ int kvm_arch_get_registers(CPUState *env)
     return 0;
 }
 
-int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
 {
     /* Inject NMI */
     if (env->interrupt_request & CPU_INTERRUPT_NMI) {
@@ -1486,11 +1486,9 @@ int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
         DPRINTF("setting tpr\n");
         run->cr8 = cpu_get_apic_tpr(env->apic_state);
     }
-
-    return 0;
 }
 
-int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_post_run(CPUState *env, struct kvm_run *run)
 {
     if (run->if_flag) {
         env->eflags |= IF_MASK;
@@ -1499,8 +1497,6 @@ int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
     }
     cpu_set_apic_tpr(env->apic_state, run->cr8);
     cpu_set_apic_base(env->apic_state, run->apic_base);
-
-    return 0;
 }
 
 int kvm_arch_process_irqchip_events(CPUState *env)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 93ecc57..bd4012a 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -256,14 +256,12 @@ int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
     return 0;
 }
 
-int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_post_run(CPUState *env, struct kvm_run *run)
 {
-    return 0;
 }
 
-int kvm_arch_process_irqchip_events(CPUState *env)
+void kvm_arch_process_irqchip_events(CPUState *env)
 {
-    return 0;
 }
 
 static int kvmppc_handle_halt(CPUState *env)
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 1702c46..b349812 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -169,14 +169,12 @@ int kvm_arch_remove_sw_breakpoint(CPUState *env, struct 
kvm_sw_breakpoint *bp)
     return 0;
 }
 
-int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
 {
-    return 0;
 }
 
-int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_post_run(CPUState *env, struct kvm_run *run)
 {
-    return 0;
 }
 
 int kvm_arch_process_irqchip_events(CPUState *env)
-- 
1.7.4