Simplify PMU logic by rewriting '!KVM' as 'TCG || HVF'
(ignoring QTest, because vCPUs are not available there).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/arm/cpu.c     |  2 +-
 target/arm/machine.c | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index eaf76532eca..5a5a9994af0 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1979,7 +1979,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
     if (arm_feature(env, ARM_FEATURE_PMU)) {
         pmu_init(cpu);
 
-        if (!kvm_enabled()) {
+        if (tcg_enabled() || hvf_enabled()) {
             arm_register_pre_el_change_hook(cpu, &pmu_pre_el_change, 0);
             arm_register_el_change_hook(cpu, &pmu_post_el_change, 0);
         }
diff --git a/target/arm/machine.c b/target/arm/machine.c
index 44a0cf844b0..80aa2e34b4b 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -1,7 +1,7 @@
 #include "qemu/osdep.h"
 #include "cpu.h"
 #include "qemu/error-report.h"
-#include "system/kvm.h"
+#include "system/hvf.h"
 #include "system/tcg.h"
 #include "kvm_arm.h"
 #include "internals.h"
@@ -943,7 +943,7 @@ static int cpu_pre_save(void *opaque)
 {
     ARMCPU *cpu = opaque;
 
-    if (!kvm_enabled()) {
+    if (tcg_enabled() || hvf_enabled()) {
         pmu_op_start(&cpu->env);
     }
 
@@ -978,7 +978,7 @@ static int cpu_post_save(void *opaque)
 {
     ARMCPU *cpu = opaque;
 
-    if (!kvm_enabled()) {
+    if (tcg_enabled() || hvf_enabled()) {
         pmu_op_finish(&cpu->env);
     }
 
@@ -1011,7 +1011,7 @@ static int cpu_pre_load(void *opaque)
      */
     env->irq_line_state = UINT32_MAX;
 
-    if (!kvm_enabled()) {
+    if (tcg_enabled() || hvf_enabled()) {
         pmu_op_start(env);
     }
 
@@ -1103,7 +1103,7 @@ static int cpu_post_load(void *opaque, int version_id)
         }
     }
 
-    if (!kvm_enabled()) {
+    if (tcg_enabled() || hvf_enabled()) {
         pmu_op_finish(env);
     }
 
-- 
2.51.0

On 10/28/25 06:42, Philippe Mathieu-Daudé wrote:
> Simplify PMU logic by rewriting '!KVM' as 'TCG || HVF'
> (ignoring QTest, because vCPUs are not available there).
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> ---
>   target/arm/cpu.c     |  2 +-
>   target/arm/machine.c | 10 +++++-----
>   2 files changed, 6 insertions(+), 6 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~